US20040051341A1 - Vehicle retractable hardtop roof - Google Patents
Vehicle retractable hardtop roof Download PDFInfo
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- US20040051341A1 US20040051341A1 US10/245,973 US24597302A US2004051341A1 US 20040051341 A1 US20040051341 A1 US 20040051341A1 US 24597302 A US24597302 A US 24597302A US 2004051341 A1 US2004051341 A1 US 2004051341A1
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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
- B60J7/08—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position
- B60J7/12—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position foldable; Tensioning mechanisms therefor, e.g. struts
- B60J7/14—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position foldable; Tensioning mechanisms therefor, e.g. struts with a plurality of rigid plate-like elements or rigid non plate-like elements, e.g. with non-slidable, but pivotable or foldable movement
- B60J7/143—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position foldable; Tensioning mechanisms therefor, e.g. struts with a plurality of rigid plate-like elements or rigid non plate-like elements, e.g. with non-slidable, but pivotable or foldable movement for covering the passenger compartment
- B60J7/145—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position foldable; Tensioning mechanisms therefor, e.g. struts with a plurality of rigid plate-like elements or rigid non plate-like elements, e.g. with non-slidable, but pivotable or foldable movement for covering the passenger compartment at least two elements being folded in clamp-shell fashion
Definitions
- This invention relates generally to convertible roof structures for automotive vehicles and, more particularly, to a multi-part hard top convertible roof.
- one retractable hard top roof employs a plurality of rigid roof panels which slide rearwardly over one another during retraction. Typically, these retracting roof panels are mechanically stowed in the trunk of the automotive vehicle. Unfortunately, this system does not fully retract flush within the vehicle body and occupies a relatively large storage space within the trunk.
- a hard top roof system includes at least three separate and generally rigid sections interconnected to one another to selectively cover the passenger compartment of a vehicle.
- a rearward roof section articulates more than one hundred and eighty degrees when moving from a raised position to a stowed position.
- a substantial portion of one of the roof sections is positioned below the top of the vehicle wheel well.
- the present invention is advantageous over traditional designs in that the roof panels are stacked in a horizontal manner which minimizes the packaging space required in both the fore-and-aft direction and the vertical direction. Furthermore, the present invention is advantageous because the roof sections may be retracted and stowed within the vehicle's trunk so as to maintain the space within the vehicle passenger compartment.
- the convertible roof of the present invention may also be stowed in a roof storage compartment separated from the passenger compartment and a miscellaneous storage area or trunk.
- the present invention also provides a self-covering feature in that when the convertible roof is in the stowed position, the uppermost stacked panel is oriented to display the outer finished surface of the panel. Additionally, the present invention is advantageous because the retracting mechanism is compact and lightweight. Additional advantages and features of the present invention will become apparent from the following description and appended claims taken in conjunction with the accompanying drawings.
- FIG. 1 is a partial perspective view of a convertible roof of the present invention in a raised position
- FIG. 2 is a partial side elevational view of the convertible roof of the present invention in the raised position
- FIG. 3 is a partial enlarged side elevational view of a portion of the convertible roof of the present invention.
- FIG. 4 is a partial side elevational view depicting the convertible roof of the present invention in an intermediate position
- FIG. 5 is a partial enlarged side elevational view of the convertible roof of the present invention in the intermediate position of FIG. 4;
- FIG. 6 is a partial side elevational view depicting the convertible roof of the present invention in a stowed position.
- the present invention is described for illustration purposes embodied in a hydro-mechanically actuated three-piece convertible roof for an automotive vehicle. It will be appreciated, however, that the principles of the present invention are readily adaptable to a number of other devices which can retract or deploy a multi-section roof top in a vehicle including a soft top, or flexible fabric covered roof where the actuator or retraction mechanisms are coupled to side rails, or any combined hard and soft top roof.
- an exemplary automotive vehicle 10 includes a convertible roof 12 constructed in accordance with the teachings of the present invention.
- Vehicle 10 is constructed with a body 14 having a passenger compartment 16 and a miscellaneous storage area or cargo bed 18 .
- Passenger compartment 16 includes a windshield 20 and a header 22 .
- Header 22 spans transversely across the top of windshield 20 .
- a roof storage compartment or area 24 is located between passenger compartment 16 and miscellaneous storage area 18 .
- a tonneau cover 26 is pivotally coupled to body 14 to selectively enclose roof storage compartment 24 .
- Convertible roof 12 includes a first roof section 30 , a second roof section 32 , a third roof section 34 and a retraction mechanism 36 .
- Convertible roof 12 is movable from a raised position depicted in FIGS. 1 - 3 through intermediate positions such as the position depicted in FIGS. 4 and 5 to a stowed position depicted in FIG. 6.
- Each of the first, second and third roof sections are substantially rigid members interconnected to one another by retraction mechanism 36 .
- First roof section 30 is preferably a substantially rigid panel having an outer surface 40 , an inner surface 42 , a leading edge 44 and a trailing edge 46 .
- First roof section 30 includes a conventional latching mechanism (not shown) which is disengageably attachable with header 22 when convertible roof 12 is in the raised position.
- Leading edge 44 sealingly engages header 22 when the latching mechanism secures first roof section 30 to windshield 20 .
- Second roof section 32 includes an outer surface 48 , an inner surface 50 , a leading edge 52 and a trailing edge 54 .
- Leading edge 52 sealingly engages trailing edge 46 of first roof section 30 when convertible roof 12 is in the raised position.
- Third roof section 34 includes an outer surface 56 , an inner surface 58 , a leading edge 60 and a trailing edge 62 .
- Leading edge 60 is sealingly engaged with trailing edge 54 of second roof section 32 when convertible roof 12 is in the raised position.
- Trailing edge 62 includes lip seals (not shown) which sealingly engage tonneau cover 26 when third roof section 34 is in the raised position.
- Third roof section 34 also includes a transparent window 63 .
- window 63 is a three-dimensionally curved glass member matching the contour of the rear portion of third roof section 34 .
- window 63 may be a flexible translucent panel constructed from PVC or other suitable material.
- Retraction mechanism 36 is mounted in a cavity 64 of roof storage compartment 24 .
- Retraction mechanism 36 includes a pair of actuation assemblies 66 mounted near each outboard edge of vehicle 10 . Because each of actuation assemblies 66 are substantially identical mirror images of one another, only the passenger side actuation assembly will be depicted and described in greater detail.
- Actuation assembly 66 includes a linkage assembly 68 coupled to an actuator 70 .
- Actuator 70 is presently depicted as a hydraulic cylinder coupled to linkage assembly 68 . It should be appreciated that actuator 70 may alternately be constructed as an electric motor, a pneumatic cylinder, or any suitable power source for driving linkage assembly 68 .
- Actuator 70 is coupled to vehicle 10 and positioned within cavity 64 of roof storage compartment 24 .
- Linkage assembly 68 includes a first subassembly 72 interconnecting third roof section 34 and body 14 .
- Linkage assembly 68 also includes a second subassembly 74 interconnecting first roof section 30 and second roof section 32 with body 14 .
- a control link 76 interconnects first subassembly 72 with second subassembly 74 . It should be appreciated that if control link 76 were removed, third roof section 34 would articulate independently from first roof section 30 and second roof section 32 . Accordingly, control link 76 allows the use of a single actuator 70 to drive each roof section in a coordinated manner relative to one another between the raised and stowed positions.
- a control mechanism (not shown) is capable of sensing the position of first subassembly 72 and second subassembly 74 to assure that convertible roof 12 may be moved between the raised position and the stowed position without causing binding or interference between the roof sections or any other vehicle components.
- first subassembly 72 includes a first link 78 , a second link 80 and a third link 82 .
- First link 78 is fixed to third roof section 34 .
- Second link 80 and third link 82 each have one end pivotally coupled to a bracket 84 mounted on body 14 .
- Second link 80 and third link 82 each include an opposite end pivotally coupled to first link 78 .
- One end of control link 76 is pivotally coupled to a mid-portion of second link 80 .
- Second subassembly 74 includes a hinge assembly 86 including a first clasp 88 coupled to first roof section 30 and a second clasp 90 mounted to second roof section 32 .
- First clasp 88 is pivotally coupled to second clasp 90 by hinge pin 92 .
- Second subassembly 74 also includes a first link 94 , a second link 96 , a third link 98 and a fourth link 100 .
- One end of first link 94 is pivotally coupled to first clasp 88 .
- the opposite end of first link 94 is pivotally coupled to one end of third link 98 .
- the opposite end of third link 98 is pivotally coupled to one end of link 100 .
- the opposite end of link 100 is mounted to second roof section 32 .
- One end of link 96 is pivotally coupled to a bracket 102 which is fixed to second roof section 32 .
- the opposite end of link 96 is pivotally coupled to bracket 84 .
- control link 76 is coupled to a mid-portion of third link 82 of first subassembly 72 .
- a mid-portion of control link 76 is pivotally coupled to a mid-portion of second link 96 .
- the opposite end of control link 76 is pivotally coupled to the ends of first link 94 and third link 98 .
- Tonneau cover 26 is pivotally coupled to body 14 at a hinge 106 .
- Tonneau cover 26 is preferably operated by a separate control system (not shown) capable of moving tonneau cover 26 from a closed position depicted in FIG. 6 to an open position (not shown).
- the control system functions to coordinate the movement of tonneau cover 26 with convertible roof 12 such that roof storage compartment 24 is accessible when moving convertible roof 12 between the raised and stowed positions.
- tonneau cover 26 may be manually operated to selectively latch to body 14 .
- roof storage compartment 24 is selectively enclosed or accessible.
- the manually operated tonneau cover 26 includes a biasing mechanism (not shown) for urging tonneau cover 26 toward the opened position.
- An alternate vehicle embodiment does not include a tonneau cover 26 .
- first roof section 30 is oriented in a stowed position such that outer surface 40 is exposed.
- convertible roof 12 is a self-covering assembly that does not require a tonneau cover to be aesthetically pleasing when the top is in the stowed position.
- FIG. 6 depicts the uppermost portion of first roof section 30 as protruding above an upper surface of body 14 .
- the edges of first roof section 30 taper downwardly toward the edges of the vehicle.
- outer surface 40 of first roof section 30 may be positioned substantially tangent to the upper surface of body 14 when convertible roof 12 is in the stowed position.
- convertible roof 12 is moved from the raised position depicted in FIGS. 1 - 3 , through intermediate positions such as the one depicted in FIGS. 4 and 5, to the stowed position depicted in FIG. 6 by first unlatching first roof section 30 from header 22 .
- An operator engages a switch (not shown) located in passenger compartment 16 .
- the switch is connected electrically to actuator 70 to control the operation of retraction mechanism 36 .
- a simple switch may be implemented without the need for sophisticated electronic controls, proximity switches and/or sensors.
- the convertible roof of the present invention may be operated in conjunction with a power operated tonneau cover as previously discussed.
- the switch is connected electrically to an electronic control unit (not shown), such as a microprocessor, that controls the operation of retraction mechanism 36 .
- the electronic control unit sends a signal to operate actuator 70 and an actuator coupled to tonneau cover 26 .
- Devices such as limit switches, sensors and potentiometers are coupled to body 14 , tonneau cover 26 and convertible roof 12 to inform the electronic control unit of the position of tonneau cover 26 and roof 12 to assure that convertible roof 12 does not interfere with tonneau cover 26 during movement between the stowed or raised positions.
- Actuator 70 is pivotally coupled to and powered to drive third link 82 of first subassembly 72 to move convertible roof 12 between the raised and stowed positions.
- force is transferred through control link 76 to second subassembly 74 .
- the force produced is sufficient to cause first roof section 30 and second roof section 32 to move.
- first roof section 30 pivots relative to second roof section 32 in a typical clam shell manner such that inner surface 42 of first roof section 30 approaches inner surface 50 of second roof section 32 .
- Second subassembly 74 also begins to rearwardly translate and rotate second roof section 32 toward the stowed position.
- Third roof section 34 begins to enter roof storage compartment 24 .
- actuator 70 may be coupled to linkage assembly 68 at a number of different locations without department from the scope of the present invention.
- convertible roof 12 is shown in the stowed position.
- first roof section 30 and second roof section 32 are each positioned in a substantially horizontal manner within roof storage compartment 24 .
- Third roof section 34 is recessed within roof storage compartment 24 such that a substantial portion of third roof section 34 is positioned below the top of a wheel well 108 .
- Third roof section 34 rotates over 180 degrees when traveling between the raised position and the stowed position.
- Outer surface 40 of first roof section 30 is positioned beneath tonneau cover 26 .
- Outer surface 48 of second roof section 32 is positioned to face inner surface 58 of third roof section 34 .
- Leading edge 44 of first roof section 30 is positioned rearward of trailing edge 54 of second roof section 32 .
- first roof section 30 is folded toward second roof section 32 .
- First and second roof sections are nested into close proximity to third roof section 34 .
- convertible roof 12 is packaged within roof storage area 24 separate from miscellaneous storage area 18 .
- a deck lid (not shown) is coupled to body 14 to allow access to miscellaneous storage area 18 without accessing roof storage area 24 . Therefore, convertible roof 12 does not obstruct access to miscellaneous storage area 18 while positioned in either the raised or stowed position.
- the convertible roof may include extra roof sections or additional members to the retraction mechanism.
- a soft top roof may also be used with the present device.
- the system was described to include hydraulic actuators, an electric motor or other suitable power transfer mechanism may alternately be employed to deploy convertible roof 12 .
- the convertible roof can alternately be stored in a miscellaneous storage area such as a trunk of a conventional sedan or coupe rather than in a roof storage compartment as presently disclosed. Other materials and dimensions can be substituted for those disclosed. It is intended by the following claims to cover these and any other departures from the disclosed embodiments which fall within the true spirit of this invention.
Abstract
Description
- This invention relates generally to convertible roof structures for automotive vehicles and, more particularly, to a multi-part hard top convertible roof.
- Retractable roofs for convertible automotive vehicles presently exist. Examples of traditional hard-top convertible roofs are disclosed in the following patents: U.S. Pat. No. 6,347,828 entitled “Actuation Mechanism for a Two Piece Retractable Hard-Top Roof for an Automobile” which issued to Rapin et al. on Feb. 19, 2002; U.S. Pat. No. 6,318,793 entitled “Two Piece Retractable Hard-Top Roof for an Automobile” which issued to Rapin et al. on Nov. 20, 2001; U.S. Pat. No. 5,979,970 entitled “Roof Assembly for a Convertible Vehicle” which issued to Rothe et al. on Nov. 9, 1999; U.S. Pat. No. 5,785,375 entitled “Retractable Hard-Top for an Automotive Vehicle” which issued to Alexander et al. on Jul. 28, 1998; U.S. Pat. No. 5,769,483 entitled “Convertible Motor Vehicle Roof” which issued to Danzl et al. on Jun. 23, 1998; U.S. Pat. No. 5,743,587 entitled “Apparatus for Use in an Automotive Vehicle having a Convertible Roof System” which issued to Alexander et al. on Apr. 28, 1998; and EPO Patent Publication No. 1 092 580 A1 which was published on Apr. 18, 2001. The U.S. patents are incorporated by reference herein.
- In another example, one retractable hard top roof employs a plurality of rigid roof panels which slide rearwardly over one another during retraction. Typically, these retracting roof panels are mechanically stowed in the trunk of the automotive vehicle. Unfortunately, this system does not fully retract flush within the vehicle body and occupies a relatively large storage space within the trunk.
- Recently, various retractable roof systems have been developed with a rigid roof member which swings into a passenger compartment of the vehicle. These systems stow the retracted roof panels in a substantially vertical orientation behind either the front or rear seats. While these systems maintain storage space within the trunk, the retracted roof panels are often stored in an unsightly manner. Additionally, the vertical orientation of the retracted roof panels requires a relatively deep storage compartment. This orientation often precludes use of a retractable roof in vehicles having a usable cargo area such as sport utility vehicles and pick-up trucks. Therefore, it would be desirable to have a retractable hard top roof requiring a minimal packaging envelope to maximize storage space within the trunk or cargo area. To achieve this goal, multiple panels are stored in a substantially horizontal manner to minimize the depth of the required storage area.
- In accordance with the present invention, a hard top roof system includes at least three separate and generally rigid sections interconnected to one another to selectively cover the passenger compartment of a vehicle. In another aspect of the present invention, as the roof system is retracted, a rearward roof section articulates more than one hundred and eighty degrees when moving from a raised position to a stowed position. In a further aspect of the present invention, when the roof system is fully retracted, a substantial portion of one of the roof sections is positioned below the top of the vehicle wheel well.
- The present invention is advantageous over traditional designs in that the roof panels are stacked in a horizontal manner which minimizes the packaging space required in both the fore-and-aft direction and the vertical direction. Furthermore, the present invention is advantageous because the roof sections may be retracted and stowed within the vehicle's trunk so as to maintain the space within the vehicle passenger compartment. The convertible roof of the present invention may also be stowed in a roof storage compartment separated from the passenger compartment and a miscellaneous storage area or trunk.
- The present invention also provides a self-covering feature in that when the convertible roof is in the stowed position, the uppermost stacked panel is oriented to display the outer finished surface of the panel. Additionally, the present invention is advantageous because the retracting mechanism is compact and lightweight. Additional advantages and features of the present invention will become apparent from the following description and appended claims taken in conjunction with the accompanying drawings.
- The present invention will become more fully understood from the detailed description and the accompanying drawings, wherein:
- FIG. 1 is a partial perspective view of a convertible roof of the present invention in a raised position;
- FIG. 2 is a partial side elevational view of the convertible roof of the present invention in the raised position;
- FIG. 3 is a partial enlarged side elevational view of a portion of the convertible roof of the present invention;
- FIG. 4 is a partial side elevational view depicting the convertible roof of the present invention in an intermediate position;
- FIG. 5 is a partial enlarged side elevational view of the convertible roof of the present invention in the intermediate position of FIG. 4; and
- FIG. 6 is a partial side elevational view depicting the convertible roof of the present invention in a stowed position.
- The present invention is described for illustration purposes embodied in a hydro-mechanically actuated three-piece convertible roof for an automotive vehicle. It will be appreciated, however, that the principles of the present invention are readily adaptable to a number of other devices which can retract or deploy a multi-section roof top in a vehicle including a soft top, or flexible fabric covered roof where the actuator or retraction mechanisms are coupled to side rails, or any combined hard and soft top roof.
- With reference to FIGS.1-3, an exemplary
automotive vehicle 10 includes aconvertible roof 12 constructed in accordance with the teachings of the present invention.Vehicle 10 is constructed with abody 14 having a passenger compartment 16 and a miscellaneous storage area or cargo bed 18. Passenger compartment 16 includes awindshield 20 and aheader 22.Header 22 spans transversely across the top ofwindshield 20. A roof storage compartment orarea 24 is located between passenger compartment 16 and miscellaneous storage area 18. Atonneau cover 26 is pivotally coupled tobody 14 to selectively encloseroof storage compartment 24. -
Convertible roof 12 includes afirst roof section 30, asecond roof section 32, athird roof section 34 and aretraction mechanism 36.Convertible roof 12 is movable from a raised position depicted in FIGS. 1-3 through intermediate positions such as the position depicted in FIGS. 4 and 5 to a stowed position depicted in FIG. 6. Each of the first, second and third roof sections are substantially rigid members interconnected to one another byretraction mechanism 36. -
First roof section 30 is preferably a substantially rigid panel having anouter surface 40, aninner surface 42, a leadingedge 44 and atrailing edge 46.First roof section 30 includes a conventional latching mechanism (not shown) which is disengageably attachable withheader 22 whenconvertible roof 12 is in the raised position.Leading edge 44 sealingly engagesheader 22 when the latching mechanism securesfirst roof section 30 to windshield 20. -
Second roof section 32 includes anouter surface 48, an inner surface 50, a leadingedge 52 and atrailing edge 54.Leading edge 52 sealingly engages trailingedge 46 offirst roof section 30 whenconvertible roof 12 is in the raised position. -
Third roof section 34 includes anouter surface 56, aninner surface 58, a leadingedge 60 and atrailing edge 62.Leading edge 60 is sealingly engaged withtrailing edge 54 ofsecond roof section 32 whenconvertible roof 12 is in the raised position.Trailing edge 62 includes lip seals (not shown) which sealingly engagetonneau cover 26 whenthird roof section 34 is in the raised position.Third roof section 34 also includes atransparent window 63. Preferably,window 63 is a three-dimensionally curved glass member matching the contour of the rear portion ofthird roof section 34. Alternatively,window 63 may be a flexible translucent panel constructed from PVC or other suitable material. -
Retraction mechanism 36 is mounted in a cavity 64 ofroof storage compartment 24.Retraction mechanism 36 includes a pair of actuation assemblies 66 mounted near each outboard edge ofvehicle 10. Because each of actuation assemblies 66 are substantially identical mirror images of one another, only the passenger side actuation assembly will be depicted and described in greater detail. - Actuation assembly66 includes a
linkage assembly 68 coupled to anactuator 70.Actuator 70 is presently depicted as a hydraulic cylinder coupled tolinkage assembly 68. It should be appreciated thatactuator 70 may alternately be constructed as an electric motor, a pneumatic cylinder, or any suitable power source for drivinglinkage assembly 68.Actuator 70 is coupled tovehicle 10 and positioned within cavity 64 ofroof storage compartment 24. -
Linkage assembly 68 includes afirst subassembly 72 interconnectingthird roof section 34 andbody 14.Linkage assembly 68 also includes asecond subassembly 74 interconnectingfirst roof section 30 andsecond roof section 32 withbody 14. Acontrol link 76 interconnects first subassembly 72 withsecond subassembly 74. It should be appreciated that if control link 76 were removed,third roof section 34 would articulate independently fromfirst roof section 30 andsecond roof section 32. Accordingly, control link 76 allows the use of asingle actuator 70 to drive each roof section in a coordinated manner relative to one another between the raised and stowed positions. - An alternate embodiment exists by removing
control link 76 andcoupling actuator 70 tofirst subassembly 72 and a second actuator (not shown) tosecond subassembly 74. A control mechanism (not shown) is capable of sensing the position offirst subassembly 72 andsecond subassembly 74 to assure thatconvertible roof 12 may be moved between the raised position and the stowed position without causing binding or interference between the roof sections or any other vehicle components. - With reference to the embodiment including control link76 as shown in the Figures,
first subassembly 72 includes afirst link 78, asecond link 80 and athird link 82.First link 78 is fixed tothird roof section 34.Second link 80 andthird link 82 each have one end pivotally coupled to abracket 84 mounted onbody 14.Second link 80 andthird link 82 each include an opposite end pivotally coupled tofirst link 78. One end ofcontrol link 76 is pivotally coupled to a mid-portion ofsecond link 80. -
Second subassembly 74 includes ahinge assembly 86 including afirst clasp 88 coupled tofirst roof section 30 and asecond clasp 90 mounted tosecond roof section 32.First clasp 88 is pivotally coupled tosecond clasp 90 byhinge pin 92. -
Second subassembly 74 also includes afirst link 94, asecond link 96, athird link 98 and afourth link 100. One end offirst link 94 is pivotally coupled tofirst clasp 88. The opposite end offirst link 94 is pivotally coupled to one end ofthird link 98. The opposite end ofthird link 98 is pivotally coupled to one end oflink 100. The opposite end oflink 100 is mounted tosecond roof section 32. One end oflink 96 is pivotally coupled to abracket 102 which is fixed tosecond roof section 32. The opposite end oflink 96 is pivotally coupled tobracket 84. - As mentioned earlier, one end of
control link 76 is coupled to a mid-portion ofthird link 82 offirst subassembly 72. A mid-portion ofcontrol link 76 is pivotally coupled to a mid-portion ofsecond link 96. The opposite end ofcontrol link 76 is pivotally coupled to the ends offirst link 94 andthird link 98. -
Tonneau cover 26 is pivotally coupled tobody 14 at ahinge 106.Tonneau cover 26 is preferably operated by a separate control system (not shown) capable of movingtonneau cover 26 from a closed position depicted in FIG. 6 to an open position (not shown). The control system functions to coordinate the movement oftonneau cover 26 withconvertible roof 12 such thatroof storage compartment 24 is accessible when movingconvertible roof 12 between the raised and stowed positions. Alternately,tonneau cover 26 may be manually operated to selectively latch tobody 14. As such,roof storage compartment 24 is selectively enclosed or accessible. The manually operatedtonneau cover 26 includes a biasing mechanism (not shown) for urgingtonneau cover 26 toward the opened position. - An alternate vehicle embodiment does not include a
tonneau cover 26. As most clearly shown in FIG. 6,first roof section 30 is oriented in a stowed position such thatouter surface 40 is exposed. Accordingly,convertible roof 12 is a self-covering assembly that does not require a tonneau cover to be aesthetically pleasing when the top is in the stowed position. FIG. 6 depicts the uppermost portion offirst roof section 30 as protruding above an upper surface ofbody 14. However, it should be appreciated that the edges offirst roof section 30 taper downwardly toward the edges of the vehicle. As such,outer surface 40 offirst roof section 30 may be positioned substantially tangent to the upper surface ofbody 14 whenconvertible roof 12 is in the stowed position. - In operation,
convertible roof 12 is moved from the raised position depicted in FIGS. 1-3, through intermediate positions such as the one depicted in FIGS. 4 and 5, to the stowed position depicted in FIG. 6 by first unlatchingfirst roof section 30 fromheader 22. An operator engages a switch (not shown) located in passenger compartment 16. The switch is connected electrically toactuator 70 to control the operation ofretraction mechanism 36. Whenconvertible roof 12 is used in conjunction with a manually operated tonneau cover, a simple switch may be implemented without the need for sophisticated electronic controls, proximity switches and/or sensors. However, the convertible roof of the present invention may be operated in conjunction with a power operated tonneau cover as previously discussed. In this case, the switch is connected electrically to an electronic control unit (not shown), such as a microprocessor, that controls the operation ofretraction mechanism 36. The electronic control unit sends a signal to operateactuator 70 and an actuator coupled totonneau cover 26. Devices such as limit switches, sensors and potentiometers are coupled tobody 14,tonneau cover 26 andconvertible roof 12 to inform the electronic control unit of the position oftonneau cover 26 androof 12 to assure thatconvertible roof 12 does not interfere withtonneau cover 26 during movement between the stowed or raised positions. -
Actuator 70 is pivotally coupled to and powered to drivethird link 82 offirst subassembly 72 to moveconvertible roof 12 between the raised and stowed positions. Asfirst subassembly 72 articulates, force is transferred throughcontrol link 76 tosecond subassembly 74. The force produced is sufficient to causefirst roof section 30 andsecond roof section 32 to move. As depicted in FIG. 4,first roof section 30 pivots relative tosecond roof section 32 in a typical clam shell manner such thatinner surface 42 offirst roof section 30 approaches inner surface 50 ofsecond roof section 32.Second subassembly 74 also begins to rearwardly translate and rotatesecond roof section 32 toward the stowed position.Third roof section 34 begins to enterroof storage compartment 24. One skilled in the art will appreciate thatactuator 70 may be coupled tolinkage assembly 68 at a number of different locations without department from the scope of the present invention. - With reference to FIG. 6,
convertible roof 12 is shown in the stowed position. In the stowed position,first roof section 30 andsecond roof section 32 are each positioned in a substantially horizontal manner withinroof storage compartment 24.Third roof section 34 is recessed withinroof storage compartment 24 such that a substantial portion ofthird roof section 34 is positioned below the top of awheel well 108.Third roof section 34 rotates over 180 degrees when traveling between the raised position and the stowed position.Outer surface 40 offirst roof section 30 is positioned beneathtonneau cover 26.Outer surface 48 ofsecond roof section 32 is positioned to faceinner surface 58 ofthird roof section 34. Leadingedge 44 offirst roof section 30 is positioned rearward of trailingedge 54 ofsecond roof section 32. To achieve a minimal packaging envelope,first roof section 30 is folded towardsecond roof section 32. First and second roof sections are nested into close proximity tothird roof section 34. - As shown in FIGS. 2 and 6,
convertible roof 12 is packaged withinroof storage area 24 separate from miscellaneous storage area 18. A deck lid (not shown) is coupled tobody 14 to allow access to miscellaneous storage area 18 without accessingroof storage area 24. Therefore,convertible roof 12 does not obstruct access to miscellaneous storage area 18 while positioned in either the raised or stowed position. - While it is apparent that the embodiments of the invention disclosed are well calculated to provide the advantages and features above stated, it will be appreciated that the invention is susceptible to modification, variation and change without departing from the proper scope or fair meaning of the subsequent claims. For example, the convertible roof may include extra roof sections or additional members to the retraction mechanism. A soft top roof may also be used with the present device. While the system was described to include hydraulic actuators, an electric motor or other suitable power transfer mechanism may alternately be employed to deploy
convertible roof 12. Furthermore, the convertible roof can alternately be stored in a miscellaneous storage area such as a trunk of a conventional sedan or coupe rather than in a roof storage compartment as presently disclosed. Other materials and dimensions can be substituted for those disclosed. It is intended by the following claims to cover these and any other departures from the disclosed embodiments which fall within the true spirit of this invention.
Claims (27)
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Application Number | Priority Date | Filing Date | Title |
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US10/245,973 US6695386B1 (en) | 2002-09-18 | 2002-09-18 | Vehicle retractable hardtop roof |
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US10/245,973 US6695386B1 (en) | 2002-09-18 | 2002-09-18 | Vehicle retractable hardtop roof |
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US6695386B1 US6695386B1 (en) | 2004-02-24 |
US20040051341A1 true US20040051341A1 (en) | 2004-03-18 |
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US10/245,973 Expired - Fee Related US6695386B1 (en) | 2002-09-18 | 2002-09-18 | Vehicle retractable hardtop roof |
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