US20020024231A1 - Convertible vehicle roof and convertible vehicle - Google Patents
Convertible vehicle roof and convertible vehicle Download PDFInfo
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- US20020024231A1 US20020024231A1 US09/899,568 US89956801A US2002024231A1 US 20020024231 A1 US20020024231 A1 US 20020024231A1 US 89956801 A US89956801 A US 89956801A US 2002024231 A1 US2002024231 A1 US 2002024231A1
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- roof
- roof part
- vehicle
- pivot
- storage space
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
- B60J7/02—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of sliding type, e.g. comprising guide shoes
- B60J7/026—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of sliding type, e.g. comprising guide shoes with rigid non plate-like elements, e.g. for convertible vehicles
- B60J7/028—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of sliding type, e.g. comprising guide shoes with rigid non plate-like elements, e.g. for convertible vehicles the sliding movement being combined with a pivoting movement
Definitions
- the present invention relates to a convertible vehicle roof and to a convertible vehicle.
- German Patent DE 44 35 222 C1 discloses a vehicle roof having a front roof part and a rear roof part or rear element.
- the front roof part which can be locked to the cowl via roof links which are articulated in a manner such that they can pivot, is articulated in a manner such that it can swing on the vehicle body by means of a pivot lever.
- the rear roof part adjoins the front roof part to the rear and sits in a sealing manner on a folding-top compartment flap which forms a transition to the trunk.
- the rear roof part is mounted in a manner such that it can be moved via a pivot lever which is mounted on the vehicle body, can be swung by means of a hydraulic cylinder and is coupled via a further hydraulic cylinder to the rear roof part at a rear articulation point of the roof part.
- the rear roof part is also mounted such that it can be moved by an additional hydraulic cylinder and a telescopic guide which is parallel thereto, the hydraulic cylinder and telescopic guide being fastened at one end to the pivot lever and engaged at the other end on a front articulation point on the rear roof part.
- the rear roof part is mounted movably in such a manner that it can be raised from the folding-top compartment flap and out of its closed position, by the lever and hydraulic cylinder devices being pivoted and actuated, and can be swung forwards over the front roof part.
- actuation of the lever and hydraulic cylinder devices causes the front roof part to be swung as a unit to the rear together with the rear roof part into a stowage space and to be put away horizontally therein.
- the front roof part moves in accordance with the guidance provided by its pivot link and by the lever and hydraulic cylinder devices of the rear roof part.
- this horizontal storage of the front roof part and of the rear roof part requires a large stowage space which reaches right into the trunk and reduces the size of the latter.
- a vehicle roof for a convertible vehicle comprising at least one front roof part and at least one rear roof part, the front roof part being supported by means of a pivot-bearing device which is mounted displaceably on a guide device, the guide device, in use, being fixed on a vehicle such that, during the opening and putting away of the front roof part, the pivot-bearing device moves along the guide device, and in the process, lowers the front roof part into a roof storage space of the vehicle.
- the front roof part is brought by a swinging movement into a position from which the front roof part is lowered and inserted into the roof storage space by a displacing movement.
- the displacement of the front roof part into a comparatively narrow roof storage space can be designed as a sequence of movements which can be executed in a simple manner.
- the front roof part may comprise two or more elements which, in turn, can be moved relative to one another.
- the front roof part when being lowered into the roof storage space, is arranged in an obliquely set or substantially vertical position.
- the front edge of the front roof part points upwards and the rear edge is arranged above the roof storage space or is already pivoted into the latter.
- the front roof part is therefore set upright with respect to the direction of travel, with the inside of the front roof part pointing forwards.
- the roof storage space extends downwards behind the seats.
- the space behind the driver's and front-passenger's seat is therefore used as the roof storage space, said space running downwards and obliquely forwards from the opening on the top side in accordance with the inclination of the rear seat backs.
- This arrangement of the put-away vehicle roof is particularly saving of space in the longitudinal direction of the vehicle and therefore the volume of the customary trunk is not restricted.
- the approximately vertical orientation of the put-away vehicle roof in the substantially vertical roof storage space means that a useful space which is optionally provided directly behind the seats remains accessible from above even when the vehicle roof has been put away.
- the roof storage space can be arranged in a corresponding manner behind the rear seat row.
- the pivot-bearing device supporting the front roof part may comprise a multi-bar mechanism, and in particular a four-bar mechanism, which is mounted displaceably on the guide device.
- a four-bar or other multi-bar mechanism enables a certain course of movement to be set for the swinging of the front roof part.
- a rear edge of the front roof part can be lowered in a manner deviating from a circular path and, for example, can be moved in front of the roof rear part which has already been lowered into the roof storage space.
- a four-bar mechanism of this type is arranged on the right-hand side and on the left-hand side of the vehicle or vehicle roof.
- a seven-bar mechanism may be used.
- the pivot-bearing device and the multi-bar mechanism is mounted on a slide which is mounted displaceably on the guide device.
- the slide forms a base which can be mounted in a play-free manner on the guide device and can be fixed on the guide device in any desired position in order to set intermediate positions of the front roof part during the opening or closing process.
- the guide device may have a linear guide rail.
- a curved guide rail may be provided in which the slide can be moved and, by means of its change in inclination with regard to the longitudinal axis of the vehicle, also confers on the front roof part a corresponding pivoting movement to accompany the introducing movement into the roof storage space.
- the guide rail is arranged substantially parallel to an oblique position of a seat back. This results in a particularly economical storage of the front roof part in terms of space.
- the rear roof part may be mounted in a manner such that it can pivot about a transverse axis which is fixed on the vehicle and runs in particular in the region of an upper section of the guide device or guide rail.
- the exact position of the transverse pivot axis is determined in particular by the space required for putting the rear roof part away into the roof storage space and by the size of the rear roof part. Even if pivoting about a transverse axis fixed on the vehicle body is preferred, which transverse axis can be provided by a simply constructed pivot bearing, the rear roof part may also be lowered into the roof storage space by means of linear and/or curved displacing movements which can be combined with a pivoting movement.
- pivot-bearing devices for the front roof part and the rear roof part may be arranged in such a manner that, in order to completely open the vehicle roof, first of all, the rear roof part is swung at least partially into the roof storage space and subsequently, or partly at the same time, the front roof part is swung in front of the rear roof part and is retracted downwards into the roof storage space.
- pivot-bearing devices for the front roof part and the rear roof part may be arranged in such a manner that, when the vehicle roof is opened, first of all the front roof part and the rear roof part are swung substantially together in the direction of the roof storage space until the rear roof part has reached its storage position, and subsequently the front roof part is swung in front of the rear roof part and retracted downwards into the roof storage space.
- the joint movement can be carried out by the two roof parts being coupled together or by means of two drives, and can be implemented by an electronic control, in particular, of two driving motors.
- One control or movement variant makes provision for it to be possible, when the front roof part is closed, for the rear roof part to be put away into the roof storage space. This enables a relatively large opening to be set for ventilating or aerating the vehicle interior.
- a further control or movement variant makes provision for it to be possible, when the front roof part is in the roof storage space, for the rear roof part to be in its closed position.
- the rear roof part may usefully be formed as a roll-over protective structure and can be extended into a roll-over protective position.
- the rear roof part takes over the supporting of the roof in the event of an emergency, and so the front roof part can be constructed with less exacting strength requirements.
- the rear roof part may comprise reinforcements and can be driven by an emergency-pivoting device.
- the front roof part which is preferably arranged in an oblique or vertical position in front of the rear roof part, or an additional part mounted thereon, can be moved into a windbreak position and can be fixed therein. This means that a separate windbreak is not required.
- the front roof part may have a front, transparent roof section so that it does not obstruct the view to the rear when in the windbreak position.
- the at least one front roof part and the at least one rear roof part are preferably rigid roof elements, but the vehicle roof may also be fitted with at least one flexible element.
- a flexible roof covering spans the front roof part and the rear roof part, which parts are formed as rigid roof elements, and the roof covering is fastened to a front section of the front roof part and rests loosely on a rear section of the front roof part, then seals between the roof parts can be omitted.
- the front roof part preferably contains a rear, preferably central, region which is left open in the storage position of the front roof part. This open region may be formed as a recess in the front roof part.
- a moveable or removable part which may be a folding or sliding part, exposes the recess when moved or removed.
- the front roof part and the rear roof part can each be swung by means of their own drive.
- Drives having an electric motor, for example, can be exactly controlled in the desired sequence of movement by means of an electronic control.
- the front roof part can be moved along the guide device by means of its own drive.
- the opening and the closing of the vehicle roof may take place at least partially by manual movement of the front roof part and/or of the rear roof part.
- a convertible vehicle comprising a roof which has at least one front roof part and at least one rear roof part which are mounted movably on the body of the vehicle and which can be put away into a roof storage space of the vehicle, wherein the movable mounting of the front roof part and the roof storage space are arranged such that the front roof part lies in a substantially vertical orientation or at an oblique angle to the horizontal when put away in the roof storage space.
- the movable mounting of the front roof part may be arranged such that the front roof part or an additional part mounted thereon can be extended into a windbreak position.
- a separate windbreak which would have to be carried, for example, as an additional part in the boot, is not required.
- the front roof part is preferably supported by means of a pivot-bearing device which is mounted displaceably on a guide device fixed on the vehicle and which, during the opening and putting away of the front roof part, moves along the guide device.
- the front roof part can therefore be extended into the windbreak position and retracted again by means of a simple displacement.
- a convertible vehicle roof comprising at least one front roof part and at least one rear roof part each for movable mounting on the body of a vehicle between a closed position and a roof storage position, the front roof part having an open portion along a rear edge at least when in the roof storage position.
- the open portion permits the front roof part to be lowered to a good depth in the vehicle body, even if a vehicle body part on the floor, such as a propeller-shaft tunnel, would otherwise obstruct this lowering.
- the front and rear roof parts are each rigid, there being a flexible roof covering which covers the front roof part and the rear roof part.
- the roof covering means that the recess cannot be seen when the vehicle roof is closed.
- a movable or removable part may be provided for filling the open portion of the front roof part when in the closed position.
- the movable or removable part may be a folding or sliding part.
- the vehicle body part on the floor presses the folding or sliding part out of its position and occupies the space of the open portion.
- a convertible vehicle roof comprising at least one front roof part and at least one rear roof part each for movable mounting on the body of a vehicle between a closed position and a roof storage position, the front roof part and the rear roof part each being formed as rigid roof elements and form a hard top roof which is spanned by a flexible roof covering in the closed position.
- any gaps between the front and rear roof parts are covered in the closed position of the vehicle roof and are also sealed so that (further) seals are not required. Furthermore, a possible height offset is compensated for and wind noises reduced by virtue of the transitions between the individual roof parts being covered.
- the appearance of the rigid roof corresponds approximately to that of a folding roof having a flexible folding top.
- a convertible vehicle roof comprising at least one front roof part and at least one rear roof part each for movable mounting on the body of a vehicle between a closed position and a roof storage position, the rear roof part being formed as a roll-over protective structure and being extendable from its roof storage position into a protective position by an emergency-pivoting device.
- the rear roof part of this aspect can replace a fixedly installed roll bar.
- the lowered rear roof part can be extended by means of the emergency-pivoting device into its protective position within a period of, for example, 300 ms.
- the rear roof part may be fixedly supported against folding inwards, for example, by means of a latching device.
- FIG. 1 is a side view of an example of a hard top vehicle roof of a cabriolet in the closed position in accordance with an embodiment of the present invention
- FIG. 2 is a side view of the vehicle roof of FIG. 1 during the opening process with the front roof part and rear roof part swung rearward;
- FIG. 3 is a side view of the vehicle roof of FIG. 1 in an intermediate opening position
- FIG. 4 is a side view of the vehicle roof of FIG. 1 in an intermediate opening position during lowering of the front roof part;
- FIG. 5 is a side view of the opened vehicle roof of FIG. 1 with roof parts put away in a roof storage space;
- FIG. 6 is a side view of the opened vehicle roof of FIG. 1 with extended rear roof part;
- FIG. 7 is a side view of the partially opened vehicle roof of FIG. 1 with lowered rear roof part;
- FIG. 8 is a side view of a further example of a rear roof part formed as an extendable roll-over protective structure in accordance with an embodiment of the present invention.
- FIG. 9 is a side view of a further example of a vehicle roof according to an embodiment of the present invention with a roof covering;
- FIG. 10 is a side view of the vehicle roof of FIG. 9 during the opening movement
- FIG. 11 is a side view of the vehicle roof of FIG. 9 in a further position during the opening movement.
- FIG. 12 is a side view of the opened vehicle roof of FIG. 9 in its storage position in the roof storage space.
- a vehicle roof 1 of a cabriolet vehicle 2 which roof is designed as a convertible hard top, has a rigid front roof part 3 and a rigid rear roof part 4 .
- the front roof part 3 has a roof frame 5 on each of the two roof longitudinal sides.
- Each roof frame 5 has a rear supporting section 6 which runs downwards at the rear edge 7 of the front roof part 3 and which, in the closed position of the vehicle roof 1 which is illustrated in FIG. 1, is orientated along a lateral front edge 8 of the rear roof part 4 .
- Each supporting section 6 is arranged to lie on the inside of the rear roof part 4 when the vehicle roof 1 is in the closed position, for example, behind a respective door seal for a door side window which is fixed on the lateral front edge 8 of the rear roof part 4 .
- a pivot-bearing device of the front roof part 3 is formed as a four-bar mechanism having a first lever 9 and a second lever 13 .
- the first lever 9 is mounted such that it can pivot by means of two joints 10 , 11 on the roof frame 5 in the region of its rear edge 7 and on a displaceable slide 12 respectively.
- the second lever 13 is mounted such that it can pivot by means of two joints 14 , 15 on the supporting section 6 and on the slide 12 respectively.
- the relative position of the four joints 10 , 11 , 14 , 15 is defined in accordance with the course of movement of the four-bar mechanism, which course of movement is required for the pivoting movement of the front roof part 3 .
- the slide 12 is mounted displaceably on a guide device, such as, for example, a guide rail 16 .
- a guide rail 16 is formed linearly and runs downwards and forwards of the vehicle 2 at an oblique angle relative to the lateral upper edge 17 of the vehicle body.
- the guide rail 16 is arranged on the vehicle body at a position approximately adjacent a vehicle seat 18 and its oblique orientation is matched to the average inclination of the backrest of the seat 18 (indicated schematically in FIG. 1 by dashed lines).
- the guide rail 16 may alternatively have or include a curved profile.
- the rear roof part 4 surrounds the vehicle interior at the rear and on both sides.
- the rear roof part 4 is pivotally mounted on both sides by respective joints 19 arranged on the vehicle body slightly below the lateral upper edge 17 of the vehicle body such that the rear roof part 4 can be swung about a transverse axis and can be lowered downwards into a roof storage space 20 .
- the roof storage space 20 extends behind the seat 18 and downwards from the lateral upper edge 17 of the vehicle body.
- a customary trunk 21 adjoins the roof storage space 20 in the rear end of the vehicle 2 .
- a seal (not illustrated) which is arranged on the front roof part 3 or the rear roof part 4 seals a separating gap between a central front edge 22 of the rear roof part 4 and the rear edge 7 of the front roof part 3 .
- the front roof part 3 which continues to be moved, is swung downwards in front of the rear roof part 4 until it has taken up a slightly inclined orientation with respect to the vertical as shown in FIG. 3.
- the front roof part 3 grips behind a roll bar 25 which is arranged directly behind the seat 18 .
- the four-bar mechanism bears, for example, against a stop and is blocked against further pivoting movement.
- FIG. 4 shows a further intermediate position during the displacement of the front roof part 3 , while the lower storage position of the front roof part 3 in the roof storage space 20 is shown in FIG. 5.
- the rear roof part 4 is preferably swung downwards by means of a drive having an electric motor (not shown).
- the rear roof part 4 can be lowered by manual pivoting after a locking arrangement has been released.
- the pivoting movement of the front roof part 3 and the displacing movement of the slide 12 likewise preferably take place by means of a respective drive or drives (not shown), for example, via electric motor drives having driving cable connections.
- a manual actuation may also be provided for movement of the front roof part 3 and the slide 12 .
- the rear roof part 4 can optionally be swung upwards again out of the complete storage position of the vehicle roof 1 shown in FIG. 5 into its original closed position and can be fixed in this position, without a corresponding closed position of the front roof part 3 , as shown in FIG. 6.
- This setting of the vehicle roof 1 corresponds to a vehicle referred to as a targa and provides improved protection against draughts when driving with an opened roof.
- the intermediate position of the vehicle roof shown in FIG. 7 may also be set as a driving position in which movement of the rear roof part 4 , which has been swung downwards, releases a large roof opening for ventilating the vehicle interior.
- This intermediate position can be set from the closed position of the vehicle roof 1 shown in FIG. 1 by the rear roof part 4 being swung downwards, or from the open position shown in FIG. 5 by the front roof part 3 being raised and swung back, or from any desired intermediate position.
- the front roof part 3 can be brought, by moving the slide 12 along the guide rail 16 , out of the complete storage position of the vehicle roof 1 shown in FIG. 5, into a raised position which corresponds, for example, to the position shown in FIG. 4.
- the front section 26 of the front roof part 3 which front section 26 protrudes approximately vertically upwards behind the roll bar 25 , takes on the function of a windbreak.
- This windbreak position may also be set even as the front roof part 3 is being lowered during the opening of the vehicle roof 1 .
- At least a central part 27 of the front section 26 of the front roof part 3 (illustrated schematically in FIG. 4 by dashed lines) may be formed from transparent material if necessary so that the front roof part 3 when used as a windbreak does not obstruct the view to the rear of the vehicle 2 .
- the rear roof part 4 serves as a roll-over protective structure or roll bar which can be extended in the event of an emergency as shown in FIG. 8.
- An emergency-pivoting device for example, a spring cylinder 30 , engages at one end with an articulation point 31 on a lateral lower edge 32 of the rear roof part 4 and is supported at the other end on the vehicle body at a supporting point 33 .
- a spring 34 of the spring cylinder 30 (FIG. 8) is pre-stressed and held in a blocked manner by means of a catch which can be actuated by a lifting magnet.
- the lifting magnet is actuated by means of a signal from an inclination sensor and the catch is unlocked, so that the spring 34 extends a piston 35 of the spring cylinder 30 .
- the piston 35 in turn extends the rear roof part 4 into the protective position shown in FIG. 8.
- a latching device 36 which is arranged between the vehicle body and the rear roof part 4 and is intended for setting a plurality of latching positions, holds the swung-out rear roof part 4 in the roll-over protective position.
- the latching device 36 is unlocked, for example by the pivoting drive for putting away the rear roof part 4 .
- the rear roof part 4 has appropriate reinforcements, for example, in the form of an incorporated or integrally formed front bracket 37 and longitudinal struts 38 .
- the spring cylinder 30 can be held continuously under pre-stress and can be moved together with the usual pivoting of the rear roof part 4 .
- that supporting end of the spring cylinder 30 which is on the vehicle-body side is fixed to a bearing part which is fixed on the vehicle body, so that the reaction force during the triggering of the emergency-pivoting device can be supported by the vehicle body.
- the emergency-pivoting device may, for example, also or alternatively, have a pyrotechnic or explosive device for rapid pivoting out of the rear roof part 4 .
- FIGS. 9 to 12 is a modification of the above-described, embodiment of the vehicle roof 1 and includes, in contrast, a flexible roof covering 40 (illustrated in a shaded manner in FIG. 9), for example, a folding-top material or the like.
- the flexible roof covering 40 completely covers the vehicle roof 1 with the exception of a rear window 44 .
- the flexible roof covering 40 is fastened on a front section 41 of the front roof part 3 , for example, by bonding as far as the illustrated dashed line of separation 45 , rests in a tensioned manner on a rear section 42 of the front roof part 3 in the closed position of the vehicle roof 1 shown in FIG. 9, and is fastened to the rear roof part 4 , for example, by sheet-like bonding.
- the front roof part 3 and the rear roof part 4 are simultaneously swung rearwards, in which case the rear edge 7 of the front roof part 3 is moved forwards relative to the front edge 22 of the rear roof part 4 , which front edge 22 is swung over an arc of a circle, in a manner similar to that described above for the first example.
- the middle portion of the roof covering 40 which merely rests on the rear section 42 of the front roof part 3 , can be raised to permit this offset.
- the front roof part 3 is swung past the rear roof part 4 on the inside in a manner similar to that described above for the first example, in which case the middle portion of the roof covering 40 is raised from the front roof part 3 as a fold 46 as shown in FIG. 11.
- the front roof part 3 optionally contains, on its rear edge, a recess 43 which is, for example, arranged centrally and is shaped, for example, in such a manner that it is able, when the front roof part 3 is completely swung down, to accommodate a vehicle body component which is on the floor and protrudes upwards, such as, for example, a drive-shaft tunnel.
- a front roof part 3 which has a relatively great length can nevertheless take up a deep storage position in the vehicle body, even if a vehicle body component which is arranged, in particular, on the floor and protrudes upwards would otherwise not permit this.
- this recess 43 is spanned and covered by the flexible roof covering 40 .
- a displaceable interior lining part or roof lining part (not shown) can cover the recess 43 on the vehicle interior.
- a recess 43 of this type may also be coverable or fillable by at least one movable element (not shown). If required, the movable element is moved or removed to expose the recess 43 as the front roof part 3 is being put away and is moved back to close the recess 43 in the closed position of the vehicle roof.
- This variant is also suitable for a vehicle roof of this type which does not have a covering roof covering.
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Abstract
Description
- 1. Field of the Invention
- The present invention relates to a convertible vehicle roof and to a convertible vehicle.
- 2. Description of Related Art
- German Patent DE 44 35 222 C1 discloses a vehicle roof having a front roof part and a rear roof part or rear element. The front roof part, which can be locked to the cowl via roof links which are articulated in a manner such that they can pivot, is articulated in a manner such that it can swing on the vehicle body by means of a pivot lever. The rear roof part adjoins the front roof part to the rear and sits in a sealing manner on a folding-top compartment flap which forms a transition to the trunk. The rear roof part is mounted in a manner such that it can be moved via a pivot lever which is mounted on the vehicle body, can be swung by means of a hydraulic cylinder and is coupled via a further hydraulic cylinder to the rear roof part at a rear articulation point of the roof part. The rear roof part is also mounted such that it can be moved by an additional hydraulic cylinder and a telescopic guide which is parallel thereto, the hydraulic cylinder and telescopic guide being fastened at one end to the pivot lever and engaged at the other end on a front articulation point on the rear roof part. The rear roof part is mounted movably in such a manner that it can be raised from the folding-top compartment flap and out of its closed position, by the lever and hydraulic cylinder devices being pivoted and actuated, and can be swung forwards over the front roof part. After the rear roof part has been locked to the front roof part and the roof link has been unlocked, actuation of the lever and hydraulic cylinder devices causes the front roof part to be swung as a unit to the rear together with the rear roof part into a stowage space and to be put away horizontally therein. The front roof part moves in accordance with the guidance provided by its pivot link and by the lever and hydraulic cylinder devices of the rear roof part. However, this horizontal storage of the front roof part and of the rear roof part requires a large stowage space which reaches right into the trunk and reduces the size of the latter.
- According to a first aspect of the present invention, there is provided a vehicle roof for a convertible vehicle, the roof comprising at least one front roof part and at least one rear roof part, the front roof part being supported by means of a pivot-bearing device which is mounted displaceably on a guide device, the guide device, in use, being fixed on a vehicle such that, during the opening and putting away of the front roof part, the pivot-bearing device moves along the guide device, and in the process, lowers the front roof part into a roof storage space of the vehicle.
- In the preferred embodiment, the front roof part is brought by a swinging movement into a position from which the front roof part is lowered and inserted into the roof storage space by a displacing movement. In comparison with a swinging movement, the displacement of the front roof part into a comparatively narrow roof storage space can be designed as a sequence of movements which can be executed in a simple manner. The front roof part may comprise two or more elements which, in turn, can be moved relative to one another.
- In a particularly preferred arrangement, the front roof part, when being lowered into the roof storage space, is arranged in an obliquely set or substantially vertical position. In the preferred embodiment, in the storage position, the front edge of the front roof part points upwards and the rear edge is arranged above the roof storage space or is already pivoted into the latter. The front roof part is therefore set upright with respect to the direction of travel, with the inside of the front roof part pointing forwards.
- According to a preferred arrangement, the roof storage space extends downwards behind the seats. In the case of a two-seater cabriolet, the space behind the driver's and front-passenger's seat is therefore used as the roof storage space, said space running downwards and obliquely forwards from the opening on the top side in accordance with the inclination of the rear seat backs. This arrangement of the put-away vehicle roof is particularly saving of space in the longitudinal direction of the vehicle and therefore the volume of the customary trunk is not restricted. Furthermore, the approximately vertical orientation of the put-away vehicle roof in the substantially vertical roof storage space means that a useful space which is optionally provided directly behind the seats remains accessible from above even when the vehicle roof has been put away. In the case of a vehicle having a second, rear seat row, the roof storage space can be arranged in a corresponding manner behind the rear seat row.
- The pivot-bearing device supporting the front roof part may comprise a multi-bar mechanism, and in particular a four-bar mechanism, which is mounted displaceably on the guide device. A four-bar or other multi-bar mechanism enables a certain course of movement to be set for the swinging of the front roof part. Thus, for example, a rear edge of the front roof part can be lowered in a manner deviating from a circular path and, for example, can be moved in front of the roof rear part which has already been lowered into the roof storage space. A four-bar mechanism of this type is arranged on the right-hand side and on the left-hand side of the vehicle or vehicle roof. A seven-bar mechanism may be used.
- In one preferred embodiment, the pivot-bearing device and the multi-bar mechanism is mounted on a slide which is mounted displaceably on the guide device. The slide forms a base which can be mounted in a play-free manner on the guide device and can be fixed on the guide device in any desired position in order to set intermediate positions of the front roof part during the opening or closing process.
- The guide device may have a linear guide rail. On the other hand, a curved guide rail may be provided in which the slide can be moved and, by means of its change in inclination with regard to the longitudinal axis of the vehicle, also confers on the front roof part a corresponding pivoting movement to accompany the introducing movement into the roof storage space. In one arrangement, the guide rail is arranged substantially parallel to an oblique position of a seat back. This results in a particularly economical storage of the front roof part in terms of space.
- The rear roof part may be mounted in a manner such that it can pivot about a transverse axis which is fixed on the vehicle and runs in particular in the region of an upper section of the guide device or guide rail. The exact position of the transverse pivot axis is determined in particular by the space required for putting the rear roof part away into the roof storage space and by the size of the rear roof part. Even if pivoting about a transverse axis fixed on the vehicle body is preferred, which transverse axis can be provided by a simply constructed pivot bearing, the rear roof part may also be lowered into the roof storage space by means of linear and/or curved displacing movements which can be combined with a pivoting movement.
- The course of movement for opening and for closing the vehicle roof and for putting the roof parts away into the roof storage space and for removing them from the roof storage space can be resolved in different ways. For example, pivot-bearing devices for the front roof part and the rear roof part may be arranged in such a manner that, in order to completely open the vehicle roof, first of all, the rear roof part is swung at least partially into the roof storage space and subsequently, or partly at the same time, the front roof part is swung in front of the rear roof part and is retracted downwards into the roof storage space.
- By way of another example, pivot-bearing devices for the front roof part and the rear roof part may be arranged in such a manner that, when the vehicle roof is opened, first of all the front roof part and the rear roof part are swung substantially together in the direction of the roof storage space until the rear roof part has reached its storage position, and subsequently the front roof part is swung in front of the rear roof part and retracted downwards into the roof storage space. The joint movement can be carried out by the two roof parts being coupled together or by means of two drives, and can be implemented by an electronic control, in particular, of two driving motors.
- One control or movement variant makes provision for it to be possible, when the front roof part is closed, for the rear roof part to be put away into the roof storage space. This enables a relatively large opening to be set for ventilating or aerating the vehicle interior.
- A further control or movement variant makes provision for it to be possible, when the front roof part is in the roof storage space, for the rear roof part to be in its closed position.
- The rear roof part may usefully be formed as a roll-over protective structure and can be extended into a roll-over protective position. In this case, the rear roof part takes over the supporting of the roof in the event of an emergency, and so the front roof part can be constructed with less exacting strength requirements. For this purpose, the rear roof part may comprise reinforcements and can be driven by an emergency-pivoting device.
- Furthermore, in a preferred arrangement, the front roof part, which is preferably arranged in an oblique or vertical position in front of the rear roof part, or an additional part mounted thereon, can be moved into a windbreak position and can be fixed therein. This means that a separate windbreak is not required. The front roof part may have a front, transparent roof section so that it does not obstruct the view to the rear when in the windbreak position.
- The at least one front roof part and the at least one rear roof part are preferably rigid roof elements, but the vehicle roof may also be fitted with at least one flexible element.
- If, when the vehicle roof is closed, a flexible roof covering spans the front roof part and the rear roof part, which parts are formed as rigid roof elements, and the roof covering is fastened to a front section of the front roof part and rests loosely on a rear section of the front roof part, then seals between the roof parts can be omitted.
- The front roof part preferably contains a rear, preferably central, region which is left open in the storage position of the front roof part. This open region may be formed as a recess in the front roof part. A moveable or removable part, which may be a folding or sliding part, exposes the recess when moved or removed.
- The front roof part and the rear roof part can each be swung by means of their own drive. Drives having an electric motor, for example, can be exactly controlled in the desired sequence of movement by means of an electronic control. Furthermore, the front roof part can be moved along the guide device by means of its own drive.
- On the other hand, the opening and the closing of the vehicle roof may take place at least partially by manual movement of the front roof part and/or of the rear roof part.
- According to a second aspect of the present invention, there is provided a convertible vehicle comprising a roof which has at least one front roof part and at least one rear roof part which are mounted movably on the body of the vehicle and which can be put away into a roof storage space of the vehicle, wherein the movable mounting of the front roof part and the roof storage space are arranged such that the front roof part lies in a substantially vertical orientation or at an oblique angle to the horizontal when put away in the roof storage space.
- As discussed above, this arrangement saves space in the vehicle trunk which, in the prior art, was used to store one or both of the front and rear roof parts.
- The movable mounting of the front roof part may be arranged such that the front roof part or an additional part mounted thereon can be extended into a windbreak position. In this embodiment, a separate windbreak, which would have to be carried, for example, as an additional part in the boot, is not required.
- The front roof part is preferably supported by means of a pivot-bearing device which is mounted displaceably on a guide device fixed on the vehicle and which, during the opening and putting away of the front roof part, moves along the guide device. The front roof part can therefore be extended into the windbreak position and retracted again by means of a simple displacement.
- According to a third aspect of the present invention, there is provided a convertible vehicle roof, the vehicle roof comprising at least one front roof part and at least one rear roof part each for movable mounting on the body of a vehicle between a closed position and a roof storage position, the front roof part having an open portion along a rear edge at least when in the roof storage position.
- The open portion permits the front roof part to be lowered to a good depth in the vehicle body, even if a vehicle body part on the floor, such as a propeller-shaft tunnel, would otherwise obstruct this lowering.
- In an embodiment, the front and rear roof parts are each rigid, there being a flexible roof covering which covers the front roof part and the rear roof part. The roof covering means that the recess cannot be seen when the vehicle roof is closed.
- A movable or removable part may be provided for filling the open portion of the front roof part when in the closed position. The movable or removable part may be a folding or sliding part. In an embodiment, when the front roof part is lowered, the vehicle body part on the floor presses the folding or sliding part out of its position and occupies the space of the open portion.
- According to a fourth aspect of the present invention, there is provided a convertible vehicle roof, the vehicle roof comprising at least one front roof part and at least one rear roof part each for movable mounting on the body of a vehicle between a closed position and a roof storage position, the front roof part and the rear roof part each being formed as rigid roof elements and form a hard top roof which is spanned by a flexible roof covering in the closed position.
- By means of the roof covering, any gaps between the front and rear roof parts are covered in the closed position of the vehicle roof and are also sealed so that (further) seals are not required. Furthermore, a possible height offset is compensated for and wind noises reduced by virtue of the transitions between the individual roof parts being covered. The appearance of the rigid roof corresponds approximately to that of a folding roof having a flexible folding top.
- According to a fifth aspect of the present invention, there is provided a convertible vehicle roof, the vehicle roof comprising at least one front roof part and at least one rear roof part each for movable mounting on the body of a vehicle between a closed position and a roof storage position, the rear roof part being formed as a roll-over protective structure and being extendable from its roof storage position into a protective position by an emergency-pivoting device.
- The rear roof part of this aspect can replace a fixedly installed roll bar. On the basis of a triggering signal, for example, from an inclination sensor, the lowered rear roof part can be extended by means of the emergency-pivoting device into its protective position within a period of, for example, 300 ms. In the extended position, the rear roof part may be fixedly supported against folding inwards, for example, by means of a latching device.
- An embodiment of the present invention will now be described by way of example with reference to the accompanying drawings.
- FIG. 1 is a side view of an example of a hard top vehicle roof of a cabriolet in the closed position in accordance with an embodiment of the present invention;
- FIG. 2 is a side view of the vehicle roof of FIG. 1 during the opening process with the front roof part and rear roof part swung rearward;
- FIG. 3 is a side view of the vehicle roof of FIG. 1 in an intermediate opening position;
- FIG. 4 is a side view of the vehicle roof of FIG. 1 in an intermediate opening position during lowering of the front roof part;
- FIG. 5 is a side view of the opened vehicle roof of FIG. 1 with roof parts put away in a roof storage space;
- FIG. 6 is a side view of the opened vehicle roof of FIG. 1 with extended rear roof part;
- FIG. 7 is a side view of the partially opened vehicle roof of FIG. 1 with lowered rear roof part;
- FIG. 8 is a side view of a further example of a rear roof part formed as an extendable roll-over protective structure in accordance with an embodiment of the present invention;
- FIG. 9 is a side view of a further example of a vehicle roof according to an embodiment of the present invention with a roof covering;
- FIG. 10 is a side view of the vehicle roof of FIG. 9 during the opening movement;
- FIG. 11 is a side view of the vehicle roof of FIG. 9 in a further position during the opening movement; and
- FIG. 12 is a side view of the opened vehicle roof of FIG. 9 in its storage position in the roof storage space.
- In the following, the description of the vehicle roof is given principally with reference to the bearing devices, etc. which face the reader and are on the left-hand side of the vehicle, in which case, of course, the opposite, right side of the vehicle also has the corresponding bearing devices, etc.
- Referring to FIG. 1, a
vehicle roof 1 of acabriolet vehicle 2, which roof is designed as a convertible hard top, has a rigidfront roof part 3 and a rigid rear roof part 4. Thefront roof part 3 has aroof frame 5 on each of the two roof longitudinal sides. Eachroof frame 5 has arear supporting section 6 which runs downwards at therear edge 7 of thefront roof part 3 and which, in the closed position of thevehicle roof 1 which is illustrated in FIG. 1, is orientated along a lateralfront edge 8 of the rear roof part 4. Each supportingsection 6 is arranged to lie on the inside of the rear roof part 4 when thevehicle roof 1 is in the closed position, for example, behind a respective door seal for a door side window which is fixed on the lateralfront edge 8 of the rear roof part 4. - A pivot-bearing device of the
front roof part 3 is formed as a four-bar mechanism having afirst lever 9 and asecond lever 13. Thefirst lever 9 is mounted such that it can pivot by means of twojoints roof frame 5 in the region of itsrear edge 7 and on adisplaceable slide 12 respectively. Thesecond lever 13 is mounted such that it can pivot by means of twojoints section 6 and on theslide 12 respectively. The relative position of the fourjoints front roof part 3. - The
slide 12 is mounted displaceably on a guide device, such as, for example, aguide rail 16. In the exemplary embodiment, theguide rail 16 is formed linearly and runs downwards and forwards of thevehicle 2 at an oblique angle relative to the lateralupper edge 17 of the vehicle body. In the example shown, theguide rail 16 is arranged on the vehicle body at a position approximately adjacent avehicle seat 18 and its oblique orientation is matched to the average inclination of the backrest of the seat 18 (indicated schematically in FIG. 1 by dashed lines). Theguide rail 16 may alternatively have or include a curved profile. - The rear roof part4 surrounds the vehicle interior at the rear and on both sides. The rear roof part 4 is pivotally mounted on both sides by
respective joints 19 arranged on the vehicle body slightly below the lateralupper edge 17 of the vehicle body such that the rear roof part 4 can be swung about a transverse axis and can be lowered downwards into aroof storage space 20. Theroof storage space 20 extends behind theseat 18 and downwards from the lateralupper edge 17 of the vehicle body. Acustomary trunk 21 adjoins theroof storage space 20 in the rear end of thevehicle 2. - In the closed position of the
vehicle roof 1 shown in FIG. 1, a seal (not illustrated) which is arranged on thefront roof part 3 or the rear roof part 4 seals a separating gap between a centralfront edge 22 of the rear roof part 4 and therear edge 7 of thefront roof part 3. - In order to open the
closed vehicle roof 1 from the closed state shown in FIG. 1, first of all, thefront roof part 3, which in the closed position, bears with itsfront edge 23 against awindshield cowl 24, and the rear roof part 4 are swung together towards the rear of thevehicle 2. In the process, the rear roof part 4 is swung downwards about the joint 19 until it has taken up its storage position in theroof storage space 20 as shown in FIG. 2. The four-bar mechanism moves the pivotingfront roof part 3 in such a manner that therear edge 7 of thefront roof part 3 is offset forwards with respect to the longitudinal axis of the vehicle relative to thefront edge 22 of the lowered rear roof part 4. - Then, the
front roof part 3, which continues to be moved, is swung downwards in front of the rear roof part 4 until it has taken up a slightly inclined orientation with respect to the vertical as shown in FIG. 3. In the process, thefront roof part 3 grips behind aroll bar 25 which is arranged directly behind theseat 18. In this final swung position taken up by thefront roof part 3, the four-bar mechanism bears, for example, against a stop and is blocked against further pivoting movement. - The
front roof part 3 is then moved further downwards from the intermediate position shown in FIG. 3 by theslide 12 being moved downwards along theguide rail 16. FIG. 4 shows a further intermediate position during the displacement of thefront roof part 3, while the lower storage position of thefront roof part 3 in theroof storage space 20 is shown in FIG. 5. - The rear roof part4 is preferably swung downwards by means of a drive having an electric motor (not shown). As an alternative, the rear roof part 4 can be lowered by manual pivoting after a locking arrangement has been released. The pivoting movement of the
front roof part 3 and the displacing movement of theslide 12 likewise preferably take place by means of a respective drive or drives (not shown), for example, via electric motor drives having driving cable connections. As an alternative, a manual actuation may also be provided for movement of thefront roof part 3 and theslide 12. - The rear roof part4 can optionally be swung upwards again out of the complete storage position of the
vehicle roof 1 shown in FIG. 5 into its original closed position and can be fixed in this position, without a corresponding closed position of thefront roof part 3, as shown in FIG. 6. This setting of thevehicle roof 1 corresponds to a vehicle referred to as a targa and provides improved protection against draughts when driving with an opened roof. - The intermediate position of the vehicle roof shown in FIG. 7 may also be set as a driving position in which movement of the rear roof part4, which has been swung downwards, releases a large roof opening for ventilating the vehicle interior. This intermediate position can be set from the closed position of the
vehicle roof 1 shown in FIG. 1 by the rear roof part 4 being swung downwards, or from the open position shown in FIG. 5 by thefront roof part 3 being raised and swung back, or from any desired intermediate position. - As an alternative, the
front roof part 3 can be brought, by moving theslide 12 along theguide rail 16, out of the complete storage position of thevehicle roof 1 shown in FIG. 5, into a raised position which corresponds, for example, to the position shown in FIG. 4. In this position, thefront section 26 of thefront roof part 3, whichfront section 26 protrudes approximately vertically upwards behind theroll bar 25, takes on the function of a windbreak. This windbreak position may also be set even as thefront roof part 3 is being lowered during the opening of thevehicle roof 1. At least acentral part 27 of thefront section 26 of the front roof part 3 (illustrated schematically in FIG. 4 by dashed lines) may be formed from transparent material if necessary so that thefront roof part 3 when used as a windbreak does not obstruct the view to the rear of thevehicle 2. - The setting of the closed position of the vehicle roof shown in FIG. 1 takes place from a position shown in FIG. 5 in a sequence of movements opposite to that described above.
- In a preferred arrangement of the
vehicle roof 1, the rear roof part 4 serves as a roll-over protective structure or roll bar which can be extended in the event of an emergency as shown in FIG. 8. An emergency-pivoting device, for example, aspring cylinder 30, engages at one end with anarticulation point 31 on a laterallower edge 32 of the rear roof part 4 and is supported at the other end on the vehicle body at a supportingpoint 33. In a lowered position of the rear roof part 4, for example, the position shown in FIG. 4, aspring 34 of the spring cylinder 30 (FIG. 8) is pre-stressed and held in a blocked manner by means of a catch which can be actuated by a lifting magnet. In the event of an emergency, the lifting magnet is actuated by means of a signal from an inclination sensor and the catch is unlocked, so that thespring 34 extends apiston 35 of thespring cylinder 30. Thepiston 35 in turn extends the rear roof part 4 into the protective position shown in FIG. 8. A latchingdevice 36, which is arranged between the vehicle body and the rear roof part 4 and is intended for setting a plurality of latching positions, holds the swung-out rear roof part 4 in the roll-over protective position. In order to lower the swung-out rear roof part 4, the latchingdevice 36 is unlocked, for example by the pivoting drive for putting away the rear roof part 4. The rear roof part 4 has appropriate reinforcements, for example, in the form of an incorporated or integrally formedfront bracket 37 andlongitudinal struts 38. - As an alternative, the
spring cylinder 30 can be held continuously under pre-stress and can be moved together with the usual pivoting of the rear roof part 4. In the lowered open position of the rear roof part 4 shown, for example, in FIG. 5, that supporting end of thespring cylinder 30 which is on the vehicle-body side is fixed to a bearing part which is fixed on the vehicle body, so that the reaction force during the triggering of the emergency-pivoting device can be supported by the vehicle body. - The emergency-pivoting device may, for example, also or alternatively, have a pyrotechnic or explosive device for rapid pivoting out of the rear roof part4.
- The example shown in FIGS.9 to 12 is a modification of the above-described, embodiment of the
vehicle roof 1 and includes, in contrast, a flexible roof covering 40 (illustrated in a shaded manner in FIG. 9), for example, a folding-top material or the like. The flexible roof covering 40 completely covers thevehicle roof 1 with the exception of arear window 44. The flexible roof covering 40 is fastened on afront section 41 of thefront roof part 3, for example, by bonding as far as the illustrated dashed line ofseparation 45, rests in a tensioned manner on arear section 42 of thefront roof part 3 in the closed position of thevehicle roof 1 shown in FIG. 9, and is fastened to the rear roof part 4, for example, by sheet-like bonding. - During the initial opening of the
vehicle roof 1 from the closed position shown in FIG. 9 to an intermediate position shown in FIG. 10, thefront roof part 3 and the rear roof part 4 are simultaneously swung rearwards, in which case therear edge 7 of thefront roof part 3 is moved forwards relative to thefront edge 22 of the rear roof part 4, whichfront edge 22 is swung over an arc of a circle, in a manner similar to that described above for the first example. The middle portion of the roof covering 40, which merely rests on therear section 42 of thefront roof part 3, can be raised to permit this offset. - During the further opening movement of the
vehicle roof 1, thefront roof part 3 is swung past the rear roof part 4 on the inside in a manner similar to that described above for the first example, in which case the middle portion of the roof covering 40 is raised from thefront roof part 3 as afold 46 as shown in FIG. 11. - During the subsequent, downwardly directed displacing movement of the
front roof part 3 into the storage position, the middle portion of roof covering 40 is further raised from thefront roof part 3 as shown in FIG. 12. - It will be appreciated that a seal between the
front roof part 3 and the rear roof part 4 is not required in this example since the separating gap is tightly covered by the roof covering 40. - In any embodiment, as shown by way of example in FIG. 9, the
front roof part 3 optionally contains, on its rear edge, arecess 43 which is, for example, arranged centrally and is shaped, for example, in such a manner that it is able, when thefront roof part 3 is completely swung down, to accommodate a vehicle body component which is on the floor and protrudes upwards, such as, for example, a drive-shaft tunnel. In this manner, even afront roof part 3 which has a relatively great length can nevertheless take up a deep storage position in the vehicle body, even if a vehicle body component which is arranged, in particular, on the floor and protrudes upwards would otherwise not permit this. In the closed position of thevehicle roof 1, thisrecess 43 is spanned and covered by the flexible roof covering 40. A displaceable interior lining part or roof lining part (not shown) can cover therecess 43 on the vehicle interior. - A
recess 43 of this type may also be coverable or fillable by at least one movable element (not shown). If required, the movable element is moved or removed to expose therecess 43 as thefront roof part 3 is being put away and is moved back to close therecess 43 in the closed position of the vehicle roof. This variant is also suitable for a vehicle roof of this type which does not have a covering roof covering. - Embodiments of the present invention have been described with particular reference to the examples illustrated. However, it will be appreciated that variations and modifications may be made to the examples described within the scope of the present invention.
Claims (35)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE10032378.2 | 2000-07-06 | ||
DE10032378 | 2000-07-06 | ||
DE10032378A DE10032378C2 (en) | 2000-07-06 | 2000-07-06 | Convertible vehicle roof |
Publications (2)
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US20020024231A1 true US20020024231A1 (en) | 2002-02-28 |
US6431636B1 US6431636B1 (en) | 2002-08-13 |
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US09/899,568 Expired - Lifetime US6431636B1 (en) | 2000-07-06 | 2001-07-06 | Convertible vehicle roof and convertible vehicle |
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US (1) | US6431636B1 (en) |
JP (1) | JP4766785B2 (en) |
DE (1) | DE10032378C2 (en) |
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DE19957427C1 (en) * | 1999-11-30 | 2001-03-22 | Webasto Vehicle Sys Int Gmbh | Convertiible roof for cabriolet vehicle operated by opening mechanism with single angled lever arm between automobile body and rigid rear windscreen section |
DE10021340C1 (en) * | 2000-05-02 | 2001-08-09 | Karmann Gmbh W | Cabriolet automobile has movement devices for front and rear roof sections with front and rear carrier elements coupled via coupling rod with intermediate gearings at its ends |
-
2000
- 2000-07-06 DE DE10032378A patent/DE10032378C2/en not_active Expired - Fee Related
-
2001
- 2001-07-03 JP JP2001202682A patent/JP4766785B2/en not_active Expired - Fee Related
- 2001-07-04 GB GB0116381A patent/GB2364281B/en not_active Expired - Fee Related
- 2001-07-06 US US09/899,568 patent/US6431636B1/en not_active Expired - Lifetime
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6582009B2 (en) * | 2001-03-19 | 2003-06-24 | Cts Fahrzeug-Dachsysteme Gmbh | Convertible vehicle with a wind deflector |
US20040145211A1 (en) * | 2002-08-15 | 2004-07-29 | Stefan Eichhorst | Bulkhead module for an automotive vehicle having a convertible roof |
US7093884B2 (en) | 2002-08-15 | 2006-08-22 | Asc Incorporated | Bulkhead module for an automotive vehicle having a convertible roof |
US20040178658A1 (en) * | 2003-02-06 | 2004-09-16 | Michael Willard | Tonneau panel mechanism |
US6866327B2 (en) | 2003-02-06 | 2005-03-15 | Asc Incorporated | Tonneau panel mechanism |
US20040222658A1 (en) * | 2003-03-24 | 2004-11-11 | Christopher Dilluvio | Retractable roof structural system |
US7198318B2 (en) | 2003-03-24 | 2007-04-03 | Asc Incorporated | Retractable roof structural system |
US20060279103A1 (en) * | 2003-07-12 | 2006-12-14 | Winfried Bunsmann | Targa roof system for vehicle and associated vehicle |
US7303225B2 (en) | 2003-07-12 | 2007-12-04 | Wilhelm Karmann Gmbh | Targa roof system for vehicle and associated vehicle |
Also Published As
Publication number | Publication date |
---|---|
DE10032378A1 (en) | 2002-01-31 |
GB0116381D0 (en) | 2001-08-29 |
JP2002046473A (en) | 2002-02-12 |
DE10032378C2 (en) | 2002-10-24 |
JP4766785B2 (en) | 2011-09-07 |
US6431636B1 (en) | 2002-08-13 |
GB2364281A (en) | 2002-01-23 |
GB2364281B (en) | 2003-11-05 |
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