CN1636675B - A hand-held machine tool - Google Patents
A hand-held machine tool Download PDFInfo
- Publication number
- CN1636675B CN1636675B CN 200410103732 CN200410103732A CN1636675B CN 1636675 B CN1636675 B CN 1636675B CN 200410103732 CN200410103732 CN 200410103732 CN 200410103732 A CN200410103732 A CN 200410103732A CN 1636675 B CN1636675 B CN 1636675B
- Authority
- CN
- China
- Prior art keywords
- hand held
- held power
- grinding dish
- power machine
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000227 grinding Methods 0.000 claims abstract description 71
- 230000033001 locomotion Effects 0.000 claims abstract description 47
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 2
- 238000004146 energy storage Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/08—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion
- F16H25/14—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion with reciprocation perpendicular to the axis of rotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/04—Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
Abstract
A hand-held machine tool (10) comprises a housing (12), a grinding tray (30) which is driven by the motor through an angle drive device (37) and can load a grinding piece (56) is arranged movablely on the lower side of the housing, in which, the angle drive device (37) is composed of an excentralizer (34) for driving a swing rod (42) to move reciprocally around a swing shaft (44) which extends paralleling with the grinding tray (30), the swing rod (42) is structured as the angle rod, one rod arm of which can carry out vertical reciprocal movement around the swing shaft (44), the other rod arm of which deflexes an angle downwards and can transfer the back and forth reciprocal movement in the horizontal direction onto the grinding tray (30) or the other cutter.
Description
Technical field
The present invention relates to a kind of hand held power machine.
Background technology
EP 0 224 465 discloses a kind of hand held power machine, and wherein, rotatablely moving of drive motor is converted into the rotational oscillating motion of its output shaft.Simultaneously, with the grinding tool that output shaft links together, for example the grinding dish is synchronously done rotational oscillating motion with output shaft.This motion has definite frequency and the reciprocal rotational travel of confirming, this rotational travel makes the control of operation and cutter guider of toolroom machine reliable and accurately.At this, instrument can not obtain the rectilinear motion that motor produces.
Summary of the invention
According to the present invention; Propose a kind of hand held power machine, have a housing, on the downside of this housing, settled movingly one carry abrasive sheet, can through an angle gear (Winkelgetriebe) by electric motor driven grinding dish perhaps one can be by other cutter of reciprocal driving; Wherein, This angle gear is made up of around the reciprocating eccentric of a swinging axle a fork and this fork of driving, and wherein, this swinging axle is parallel to the grinding dish or said other cutter extends; Wherein, Fork is constructed as angle rod, and its lever arm pumps around swinging axle, and its another lever arm deflects down angled and the front-rear reciprocation movement of horizontal direction is delivered on grinding dish or said other cutter; Wherein, A said lever arm of this fork can constitute around the ring that its swinging axle swingingly supports by one, and the circumference of this ring can transmit motion ground and be connected with said driving eccentric on a position, on another position, can be connected with said grinding dish or said other cutter on transmission power ground.
According to the present invention; A kind of angle gear that is used for hand held power machine is also proposed; It is converted into a motion with rotatablely moving of a motor and transmits the oscillating motion of part and be delivered to a workpiece) on; Wherein, this motion transmission part can be parallel to the surperficial swinging axle of a virtual workpiece around one and swingingly support, and the oscillating motion of this motion transmission part can be converted into the straight reciprocating motion of workpiece.
Advantage of the present invention is, a kind of compact, with low cost especially hand held power machine is provided, and it has can be by the cutter of reciprocal driving by the grinding dish of linear drives or other.
The lever arm that deflects down can be connected with grinding dish or other shape of tool sealedly, and like this, the required structure space of angle gear is little, and the compactness of hand held power machine is high especially.
The fork of angle gear can constitute around the moving ring of its central shaft string pendulum by one; The circumference of this ring can transmit motion ground and be connected with a driving eccentric on a position; Another particularly with respect to the position of 90 ° of this location deflections on perhaps can being connected of other of transmission power ground and grinding dish by the cutter of reciprocal driving; Through this, angle gear is made up of simple, a firm standard component especially at an easy rate.
This ring vertically is placed in the housing, and its plane is parallel with the direction of feed of hand held power machine, through this, has realized being used for the motion transmission of cutter linear drives with a small amount of member.
As said ring,, can realize the supporting of ring especially simply with the outer shroud of a rolling bearing through this.
Not only there is being shape sealed between ring and the grinding dish but also between ring and eccentric; Wherein, Deflecting down on 90 ° the part of ring has a projection; This projection is engaged in the embedding mouth of grinding dish or other cutter, forms a compact especially and firm angle gear through this.
The embedding mouth is arranged on one and particularly uses in the metal lengthwise pressing plate, and this lengthwise pressing plate places grinding dish or other cutter inside or fixed thereon, and through this, hand held power machine is firm especially.
Between grinding dish and housing, settled coupling arrangement; One second eccentric particularly; They are bearing on the housing on the one hand, particularly in a corresponding opening, be bearing on the grinding dish on the other hand, particularly in one embeds mouthful, particularly convert the oscillating movement of grinding dish or other cutter to a definite orbital motion; Through this, can make cutter obtain a kind of motion mode that can be used for grinding or scraping especially effectively.
Between grinding dish and housing, settled coupling arrangement; Projection particularly; They are bearing on the housing on the one hand, particularly in a corresponding opening, be bearing on the grinding dish on the other hand, particularly in a cannelure, make the oscillating movement of grinding dish or other cutter stable; Through this, cutter during by linear drives its direction of motion stable especially.
Coupling arrangement between grinding dish and housing not only produces orbital motion, and particularly stops rotation as longitudinal guide, forms a kind of multi-functional especially hand held power machine through this.
Motion transmission part can be parallel to the surperficial axis of oscillation of virtual workpiece around one and swingingly support; Wherein, The oscillating motion of motion transmission part can be converted into the straight reciprocating motion of actuator; Through this, realized a kind of compact especially be used for rotatablely moving be converted into reciprocating angle gear, this angle gear also can be used in other the machine.
Description of drawings
Combine accompanying drawing that the present invention is further explained by an embodiment below.Accompanying drawing is represented:
The local longitudinal sectional view in a side of Fig. 1 hand held power machine,
A transverse sectional view of Fig. 2 hand held power machine shown in Figure 1,
Fig. 3 is according to the local longitudinal sectional view of the level of Fig. 1,
The schematic perspective view of the angle gear of this hand held power machine of Fig. 4,
The upward view of the grinding dish of this hand held power machine of Fig. 5,
The upward view of the abrasive sheet of this hand held power machine of Fig. 6,
The upward view of another grinding dish of this hand held power machine of Fig. 7.
The specific embodiment
Fig. 1 shows the side sectional view of an energy storage type superfine milling machine 10, and it has the housing 12 of flat, narrow a, box-like.It is as handle, and the hand of operation is placed on the upper surface 11 of housing 12 like this, makes the leading flank 14 of housing point to directions of feed and an on & off switch 16 being positioned on the leading flank 14 of housing 12 can very cosily be run into hand.Can operate an electric connection that is positioned at housing 12 and close switch 17 through this on & off switch 16.
On the back side 18 of housing 12, be provided with two abreast with upper surface 11 and insert mouthfuls 20, two batteries that are used to pack into, battery the end of mark is slightly outstanding from these two embed mouthful in detail in the drawings.In the positioned inside of housing 12 motor 24, particularly dc motor, it is bearing in the base 26.Base 26 connects with a grinding dish 30 downwards through a flexible support ring 28, and this grinding dish can not rabbeted in its abrasive sheet 31 with losing.
On direction of observation, see; From motor 24, stretch out a motor reel 32 to the right; Be not fixed with one first eccentric 34 with on this motor reel, not relatively rotating; A cam pin 36 is housed, this cam pin and a new-type angle gear 37 of rolling bearing 42 common formations that can at least partly be bearing in rotationally in the base 26 on its free end.For this reason, in the transverse groove 38 of the outer shroud 40 of cam pin 36 embedding rolling bearings 42, make outer shroud 40 to be driven and swing a little rotational angle up or down with respect to interior ring 41.
In ring 41 be connected with base 26 regularly with respect to housing through a bearing shaft 44.On outer shroud 40, have one to see the projection 46 of downward sensing at direction of observation, this projection embed on abrasive sheet 31 or one strengthen on the lengthwise pressing plate 29 of this abrasive sheet one in mechanical aspects and embed in mouthfuls 48.This embedding mouthfuls 48 can be used as circular boring and constitutes, and makes to see in the clockwise direction that at direction of observation the projection 46 linear drives ground with the counter clockwise direction reciprocally swinging drives grinding dish 30 towards leading flank 14 or 18 motions towards the back side.
See that at direction of observation on the left side 18 settled one second eccentric 49 towards the back side; It has a balance mass 50; A upper pin 51 of this balance mass stretches into one with respect in the fixing embedding mouth 55 of housing with being directed upwards towards, and its eccentric pin shaft 52 embeds on the abrasive sheets 31 or on the lengthwise pressing plate 29 another downwards and embeds in mouthfuls 54.Eccentric 49 is given grinding dish Background Region an orbital motion by the reciprocating motion of grinding dish 30 excitation, and in this way, eccentric 49 forms a passive eccentric driving device of battery formula grinding attachment 10.
Grinding dish 30 has a flexible grinding pad 35 on its grinding base plate 31 of being processed by the hard elastics material, this grinding pad has 58, one abrasive sheets 56 of a thread gluing on downside the suede back side can be fixed in this thread gluing by adhesive.
Fig. 2 shows a cross section of energy storage type superfine milling device 10; Two batteries 22 of upper surface 11 arranged parallel that are parallel to housing 12 have wherein clearly been expressed, clear in addition having expressed and battery 22 and the motor 24 settled abreast with grinding dish 30.Can find out that also support ring 28 extends and as the spring suspension device of grinding dish 30 with respect to base 26 in that housing 12 is inner along longitudinal side.Can find out in addition; Settling cam pin 36 and the eccentric pin shaft 52 transmission power ground of second eccentric 49 that is used for transmission power or adds lengthwise pressing plate 29, the first eccentrics 34 of heavy-duty grinding dish 30 to embed in this lengthwise pressing plate on the upper surface of flexible, the firm grinding base plate 31 of grinding dish 30.
Fig. 3 shows the longitudinal sectional view according to the level of Fig. 1; The housing 12 of energy storage type superfine milling device 10 is with the box structure of narrow length; It accommodates in inside and longitudinal axis and the directed abreast motor 24 of grinding dish; This motor makes the outer shroud 40 of rolling bearing 42 produce rotary oscillation through eccentric 34, and the projection 46 of this outer shroud embeds in the embedding mouth 48 of lengthwise pressing plate 29.
Also can obviously see the layout and the bearing position on base 26 thereof of the bearing shaft 44 of rolling bearing 42.Can see that in addition the cam pin 36 that the outer shroud 40 of rolling bearing 42 has transverse groove 38, the first eccentrics 34 embeds in this transverse groove, makes its circular motion be converted into the straight reciprocating motion of outer shroud 40.
In the zone at the back side 18 of housing 12, can see second eccentric 49, in the embedding mouth 54 of the lengthwise pressing plate 29 of its eccentric pin shaft 52 embedding abrasive sheets 31.
The reciprocating motion that is driven by first eccentric 34 by grinding dish 30 to the passive wobble drive of grinding dish 30 that forms through second eccentric 49 causes.Here, the effect of grinding dish 30 such as same connecting rod, second eccentric 49 as the same bent axle.The acting in conjunction of these two motions is structurally coordinated mutually, thereby makes the rectilinear path of confirming of grinding dish 30 produce definite rotating distance of eccentric 50 and the orbital motion of confirming that produces grinding dish 30.
Fixed position, dead point for fear of second eccentric 50; Its at least one supporting mass maintains elasticity; Like this, eccentric 50 can occupy an obliquity, and it always can be easily be converted into a circular motion with the promotion of first eccentric 34 from this obliquity.
But also can be with grinding dish 30 with respect to housing 12 at the side elastic pretension; Make the rearward end of grinding dish 30 always attempt with respect to housing 12 such side direction beats; Make eccentric 50 not keep being suspended in the straight line dead-centre position, thus but lateral deflection all the time and can being operated through rectilinear path.
In the Background Region of energy storage type superfine milling device 10; Direct selling fixing with respect to housing can replace eccentric 49 and embed one and be arranged in the groove on the lengthwise pressing plate 29 as longitudinal guide, and this groove is substituted by the embedding mouth 54 of the circle that eccentric pin shaft 52 is provided with.
Like this, grinding dish 30 is compelled carry out one in front and back by the straight line oscillating motion of straight-line guidance, not have the orbital motion that adds.
The rolling bearing of in Fig. 4, representing as details 42 is core members of this new-type angle gear 37; Its outer shroud 40 has a projection 46 that be directed upwards towards, that hold up diametrically; See transverse groove 38 deflection left on the outer shroud 40 at direction of observation; The cam pin 36 of first eccentric 34 embeds in this transverse groove like this, makes its eccentric circular motion be converted into a rotational oscillating motion that front and back are reciprocal of outer shroud 40, thereby is converted into the reciprocal rotational oscillating motion of projection 46.
The projection 46 that is used to drive grinding dish 30 is made into sphere, and like this, it makes wearing and tearing reduce inserting contact as far as possible in large area when embedding in mouthfuls 48.
In a unshowned embodiment of this new-type angle gear; Rolling bearing 42 also can be by around its transversal line half-twist; At this moment; On its outer shroud 40, a projection of axially holding up must be set, be used for the rotational oscillating motion of outer shroud 40 is converted into the rectilinear motion of the part that will drive.
Fig. 5 shows the upward view of the grinding dish 301 of a flatiron shape configuration, on this grinding dish, can or load onto an abrasive sheet single-piece, that shape is identical, perhaps loads onto one by a plurality of parts abrasive sheet that be combined into, that profile roughly overlaps.
Fig. 6 shows the abrasive sheet 56 of a flatiron shape, and it is made up of two parts 561,562, promptly has the outer peripheral equilateral triangle of arch remainder that be connected with it with, that opened in 563 minutes through a predetermined rupture line by one and constitutes.
Fig. 7 shows the grinding dish 302 of another flatiron shape; It has and is arranged in through hole 60 on the pitch circle; Be used for sucking-off dirt bits, also have the toe section 313 of a rhombus that separates, this toe section can with of the same type, can exchange with the toe section that the thread gluing connector adheres to; This toe section is the greatest wear position of abrasive sheet, thereby upgrades more continually than the remainder of abrasive sheet possibly.
Claims (17)
1. hand held power machine (10); Has a housing (12); On the downside of this housing, settled movingly one carry abrasive sheet (56), can be by electric motor driven grinding dish (30) or one by other cutter of reciprocal driving through an angle gear (37), wherein, this angle gear (37) is made up of around the reciprocating eccentric of a swinging axle (44) (34) a fork (42) and this fork of driving (42); Wherein, This swinging axle (44) is parallel to grinding dish (30) or said other cutter extends, and wherein, fork (42) is constructed as angle rod; Its lever arm pumps around swinging axle (44); Its another lever arm deflects down angled and the front-rear reciprocation movement of horizontal direction is delivered on grinding dish (30) or said other cutter, it is characterized in that, a said lever arm of this fork (42) can constitute around the ring (40) that its swinging axle (44) swingingly supports by one; The circumference of this ring can transmit motion ground and be connected with said eccentric (34) on a position, on another position, can be connected with said grinding dish (30) or said other cutter on transmission power ground.
2. hand held power machine according to claim 1 is characterized in that, deflects down angled lever arm and is connected with said grinding dish (30) or said other shape of tool sealedly.
3. hand held power machine according to claim 2 is characterized in that, this ring (40) positioned vertical is in housing (12), and its plane parallel is extended in the direction of feed of hand held power machine.
4. according to claim 2 or 3 described hand held power machines, it is characterized in that this ring (40) is the outer shroud of a rolling bearing (42).
5. according to claim 2 or 3 described hand held power machines; It is characterized in that; Not only all there is being shape sealed between ring (40) and the grinding dish (30) but also between ring (40) and eccentric (34); Wherein, this ring deflect down 90 ° be partly with a projection (46), this projection is engaged in the embedding mouth (48) of said grinding dish (30) or said other cutter.
6. hand held power machine according to claim 5 is characterized in that, embed mouthful (48) and be arranged in the lengthwise pressing plate, this lengthwise pressing plate be positioned at said other cutter or grinding dish (30) be fixed on said grinding dish (30) or said other cutter on.
7. hand held power machine according to claim 1; It is characterized in that; Between grinding dish (30) or said other cutter and housing (12), be provided with coupling arrangement; These coupling arrangements are bearing on the housing (12) on the one hand, be bearing on the other hand on grinding dish (30) or said other cutter, and the oscillating motion of said grinding dish (30) or said other cutter is converted into a definite orbital motion.
8. hand held power machine according to claim 7 is characterized in that, said coupling arrangement is one second eccentric (49).
9. hand held power machine according to claim 7 is characterized in that, said coupling arrangement at housing (12) upper support in a corresponding opening (55).
10. hand held power machine according to claim 7 is characterized in that, said coupling arrangement embeds in mouthful (54) at one at grinding dish (30) upper support.
11. hand held power machine according to claim 7; It is characterized in that; Between grinding dish (30) and housing (12), be provided with coupling arrangement; These coupling arrangements are bearing on the housing (12) on the one hand, are bearing on the other hand on the grinding dish (30), and make the oscillating motion of grinding dish (30) stable.
12. hand held power machine according to claim 11 is characterized in that, said coupling arrangement is a projection.
13. hand held power machine according to claim 11 is characterized in that, said coupling arrangement at housing (12) upper support in a corresponding opening (55).
14. hand held power machine according to claim 11 is characterized in that, said coupling arrangement at grinding dish (30) upper support in a cannelure.
15. hand held power machine according to claim 1 is characterized in that, said another position with respect to a said location deflection 90 °.
16. hand held power machine according to claim 6 is characterized in that, said lengthwise pressing plate is with metal.
17. be used for the angle gear (37) of hand held power machine, it is characterized in that it is constructed according to the angle gear in one of claim 1 to 16.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2003161097 DE10361097A1 (en) | 2003-12-22 | 2003-12-22 | Hand tool |
| DE10361097.9 | 2003-12-22 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105580185A Division CN101972969A (en) | 2003-12-22 | 2004-12-22 | Hand-held grinding tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1636675A CN1636675A (en) | 2005-07-13 |
| CN1636675B true CN1636675B (en) | 2012-03-21 |
Family
ID=34112171
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105580185A Pending CN101972969A (en) | 2003-12-22 | 2004-12-22 | Hand-held grinding tool |
| CN 200410103732 Expired - Fee Related CN1636675B (en) | 2003-12-22 | 2004-12-22 | A hand-held machine tool |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105580185A Pending CN101972969A (en) | 2003-12-22 | 2004-12-22 | Hand-held grinding tool |
Country Status (3)
| Country | Link |
|---|---|
| CN (2) | CN101972969A (en) |
| DE (1) | DE10361097A1 (en) |
| GB (1) | GB2409993B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303864B (en) * | 2020-06-30 | 2023-03-14 | 重庆西山科技股份有限公司 | Elbow pipe grinding tool with angle-adjustable tool bit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5658193A (en) * | 1994-04-18 | 1997-08-19 | Wahl Clipper Corporation | Reciprocating hand tool with multiple attachments |
| US5919085A (en) * | 1996-04-02 | 1999-07-06 | S.P. Air Kabusiki Kaisha | Power abrading tool having dust abatement feature |
| CN1081511C (en) * | 1997-02-27 | 2002-03-27 | 罗伯特-博希股份公司 | Hand-held electric tool, especially grinder |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1168221A (en) * | 1968-01-10 | 1969-10-22 | Edward Fullerton | Improvements in and relating to Confectionery Cutters |
| US3973444A (en) * | 1974-09-05 | 1976-08-10 | Textron, Inc. | Hand-held oscillating tool |
| JPH0663284U (en) * | 1993-02-05 | 1994-09-06 | リョービ株式会社 | Power tool drive structure |
| US6249979B1 (en) * | 1998-08-13 | 2001-06-26 | Milwaukee Electric Tool Corporation | Orbital reciprocating saw |
| US6926595B2 (en) * | 2002-04-30 | 2005-08-09 | C.&E. Fein Gmbh & Co. Kg | Oscillatory drive |
-
2003
- 2003-12-22 DE DE2003161097 patent/DE10361097A1/en not_active Withdrawn
-
2004
- 2004-12-21 GB GB0427985A patent/GB2409993B/en not_active Expired - Fee Related
- 2004-12-22 CN CN2010105580185A patent/CN101972969A/en active Pending
- 2004-12-22 CN CN 200410103732 patent/CN1636675B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5658193A (en) * | 1994-04-18 | 1997-08-19 | Wahl Clipper Corporation | Reciprocating hand tool with multiple attachments |
| US5919085A (en) * | 1996-04-02 | 1999-07-06 | S.P. Air Kabusiki Kaisha | Power abrading tool having dust abatement feature |
| CN1081511C (en) * | 1997-02-27 | 2002-03-27 | 罗伯特-博希股份公司 | Hand-held electric tool, especially grinder |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2409993B (en) | 2006-08-16 |
| GB2409993A (en) | 2005-07-20 |
| GB0427985D0 (en) | 2005-01-26 |
| DE10361097A1 (en) | 2005-07-21 |
| CN101972969A (en) | 2011-02-16 |
| CN1636675A (en) | 2005-07-13 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20191222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |