CN104210464A - Windscreen wiper mechanism - Google Patents
Windscreen wiper mechanism Download PDFInfo
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- CN104210464A CN104210464A CN201310235569.1A CN201310235569A CN104210464A CN 104210464 A CN104210464 A CN 104210464A CN 201310235569 A CN201310235569 A CN 201310235569A CN 104210464 A CN104210464 A CN 104210464A
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- hole
- hole portion
- wiper
- groove
- arm seat
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Abstract
The invention provides a windscreen wiper mechanism which comprises a wiper arm seat base body, a matching part and an output shaft. The output shaft comprises a shaft base body, a shaft shoulder arranged at one end of the shaft base body and a groove formed in the axial direction of the shaft shoulder. A blind hole in clearance fit with the shaft shoulder is formed in the bottom face of one end of the wiper arm seat base body, a key groove is formed in the side wall of the blind hole, and the matching part is embedded in a cavity formed by the groove and the key groove. The windscreen wiper mechanism further comprises a locking part used for preventing the matching part and the cavity from separating, and the locking part can be fixedly connected with the wiper arm seat base body. According to the windscreen wiper mechanism, the output shaft can provide stable and reliable force for a wiper arm assembly, and the problem of failures of the windscreen wiper mechanism is solved.
Description
Technical field
The present invention relates to vehicle component technology, relate in particular to a kind of wiper body.
Background technology
In the prior art, as shown in Figure 1, wiper body mainly comprises scrapes arm assembly 10 and motor connection lever bracket assembly 11 two large divisions, and scrape arm assembly 10, comprise and connect successively scraping blade assembly 101, scraping arm 102 and scrape arm seat 103, motor connection lever bracket assembly 11 comprises output shaft 111, by output shaft 111 with scrape arm seat 103 and scrape arm assembly 10 described in being connected to drive and swing.Output shaft 111 is to match by the spline on both hole axles with scraping the common connection mode of arm seat 103 at present, and then by screw bolt and nut by output shaft 111 with scrape arm seat 103 and be fastenedly connected, but this connection mode makes to scrape the problem that arm seat 103 and the fitting surface of output shaft 111 are prone to stripped thread, make output shaft 111 scrape arm assembly 10 described in cannot driving and swing, thereby cause wiper body to lose efficacy.
Summary of the invention
Technical matters to be solved by this invention is to overcome the deficiencies in the prior art, thereby a kind of wiper body is provided, and output shaft can provide reliable and stable power to scraping arm assembly, avoids wiper body to occur the problem losing efficacy.
For solving the problems of the technologies described above, the invention provides following technical scheme:
The invention provides a kind of wiper body, described wiper body comprises scrapes arm seat matrix, related parts and output shaft, described output shaft comprises axle body, is arranged on the shaft shoulder of axle body one end and the groove axially arranging along the shaft shoulder, described bottom surface of scraping arm seat matrix one end is provided with the blind hole coordinating with pivot clearance, the sidewall of described blind hole is provided with keyway, described related parts is embedded in the cavity of described groove and keyway formation, described wiper body also comprises the lock piece for preventing that described related parts is separated with cavity, described lock piece can with scrape arm seat matrix and be fixedly connected with.
Further, described lock piece comprises lock banking stop, and is arranged on the first through hole on lock banking stop, and described the first through hole comprises the first hole portion that can stretch out and can support with described axle body side face for axle body.
Further, described the first through hole also comprises the second hole portion that can pass for the shaft shoulder, and described the second hole portion and the connection of the first hole portion and the first hole portion are positioned at a side of the second hole portion.
Further, scrape the first fixed leg of arm seat matrix bottom surface described in described wiper body also comprises fixed plate and is arranged on, described the first fixed leg is along the axial setting of described axle body, and described the first fixed leg stretches out described lock piece and can be fixedly connected with described fixed plate.
Further, described the first through hole also comprises the 3rd hole portion that can stretch out and can support with described the first fixed leg side face for the first fixed leg, and described the 3rd hole portion and the second hole portion are communicated with and are positioned at the opposite side of the second hole portion.
Further, described lock piece is also included in described lock banking stop and is provided with projection near one end of the first hole portion, and described projection is towards scraping the setting of arm seat matrix.
Further, described fixed plate comprises the arc tips adapting with described axle body side face shape, and the inside face of described arc tips can be supported with the side face of described axle body.
Further, described output shaft also comprises the first draw-in groove for spacing described fixed plate, and described the first draw-in groove arranges along axle body side face, and the outside face of described the first draw-in groove can be supported with the inside face of described arc tips.
Further, described output shaft comprises the second draw-in groove for spacing described lock banking stop, and described the second draw-in groove is between the described shaft shoulder and the first draw-in groove, and the outside face of described the second draw-in groove can be supported with the inside face of described the first hole portion.
Further, described wiper body also comprises at least one second fixed leg of scraping arm seat matrix bottom surface described in being arranged on, and described the second fixed leg stretches out described lock piece and can be fixedly connected with described fixed plate.
Further, described lock piece also comprises the second through hole that is arranged on lock banking stop and can stretches out for the second fixed leg.
Further, described the second through hole is waist shaped hole, and described waist shaped hole is along the length direction setting of described lock banking stop.
Further, described lock piece also comprises the elastic component that is positioned at described waist shaped hole, and one end of described elastic component can be supported with the outside face that is positioned at the second fixed leg of described waist shaped hole, and the other end of described elastic component can be supported with the inside face of described waist shaped hole.
Further, described elastic component is spring.
Further, the key that described related parts is strip shape.
Compared with prior art, the present invention has following beneficial effect: by described related parts, be embedded in the cavity of described groove and keyway formation, and by lock piece with scrape arm seat matrix and be fixedly connected with to prevent that described related parts is separated with cavity, namely prevent described related parts and scrape arm seat Matrix separation, described in passing to by described related parts, the power that output shaft is exported so scrapes arm seat matrix, give and to scrape arm assembly and provide reliable and stable power to swing to scrape arm assembly described in driving, avoided the fitting surface of scraping arm seat and output shaft in prior art to be prone to stripped thread completely, thereby prevent that the problem losing efficacy from appearring in wiper body, in addition output shaft by described related parts with described in scrape arm seat matrix and be connected, make rain shaving blade more accurate putting of initial position on glass, avoided rain shaving blade to beat the risk on limit, and output shaft is when scraping arm seat matrix and coordinate, can not stretch out and scrape arm seat matrix, make to scrape arm seat matrix more attractive in appearance with coordinating of output shaft.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art wiper body;
Fig. 2 is the blast structural representation of wiper body one embodiment of the present invention;
Fig. 3 is the structural representation of an embodiment after related parts of the present invention and output shaft assembling;
Fig. 4 is the cutaway view of Fig. 3 A-A direction;
Fig. 5 is the partial schematic diagram of wiper body of the present invention in released state;
Fig. 6 is the cutaway view of Fig. 5 B-B direction;
Fig. 7 is the partial schematic diagram of wiper body of the present invention in lockup state;
Fig. 8 is the cutaway view of Fig. 7 C-C direction.
The specific embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " liquid is flat ", " top ", " end " " interior ", " outward ", " cw ", orientation or the position relationship of indications such as " conter clockwises " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
The invention provides the wiper body of a kind of embodiment, as in Figure 2-4, described wiper body comprises scrapes arm seat matrix 2, related parts 3 and output shaft 4, output shaft 4 belongs to a part for motor connection lever bracket assembly 11, described output shaft 4 comprises axle body 41, be arranged on the shaft shoulder 42 of axle body 41 one end, and the groove 43 axially arranging along the shaft shoulder 42, described bottom surface of scraping arm seat matrix 2 one end is provided with the blind hole 21 with the shaft shoulder 42 free-running fits, the sidewall of described blind hole 21 is provided with keyway 22, described related parts 3 is embedded in the cavity of described groove 43 and keyway 22 formation, a part that is described related parts 3 is embedded in described groove 43, another part is embedded in keyway 22, in concrete enforcement, described related parts 3 can be fixedly connected with groove 43 side, described related parts 3 another sides are embedded in described keyway 22, described wiper body also comprises the lock piece 5 for preventing that described related parts 3 is separated with cavity, described lock piece 5 can with scrape arm seat matrix 2 and be fixedly connected with.In concrete enforcement, on the outside face of the described shaft shoulder 42, be provided with annular knurl, between blind hole 21 and the described shaft shoulder 42, by annular knurl, contact cooperation, with increase friction force between blind hole 21 and the described shaft shoulder 42 increase output shaft 4 and described in scrape the friction force between arm seat matrix 2, make output shaft 4 with described in scrape between arm seat matrix 2 be connected more firm.
From such scheme, can find out, by described related parts 3, be embedded in the cavity of described groove 43 and keyway 22 formation, and by lock piece 5 with scrape arm seat matrix 2 and be fixedly connected with to prevent that described related parts 3 is separated with cavity, described in passing to by described related parts 3, the power that output shaft 4 is exported so scrapes arm seat matrix 2, give and to scrape arm assembly 10 and provide reliable and stable power to swing to scrape arm assembly 10 described in driving, output shaft 4 passes to the moment of torsion of scraping arm can be larger, durable more reliable, can avoid the fitting surface of scraping arm seat and output shaft in prior art to be prone to stripped thread completely, thereby prevent that the problem losing efficacy from appearring in wiper body, in addition output shaft 4 by described related parts 3 with described in scrape arm seat matrix 2 and be connected, make rain shaving blade more accurate putting of initial position on glass, avoided rain shaving blade to beat the risk on limit, and output shaft 4 is when scraping arm seat matrix 2 and coordinate, can not stretch out and scrape arm seat matrix 2, make to scrape arm seat matrix 2 more attractive in appearance with coordinating of output shaft 4.
In one embodiment of this invention, described lock piece 5 comprises lock banking stop 51, and be arranged on the first through hole on lock banking stop 51, described the first through hole comprises the first hole portion 52 that can stretch out and can support with described axle body 41 side faces for axle body 41, makes described lock piece 5 and to scrape being fixedly connected with of arm seat matrix 2 more reliable.Preferably, described the first through hole also comprises the second hole portion 53 that can pass for the shaft shoulder 42, described the second hole portion 53 and the first hole portion 52 are communicated with and the first hole portion 52 is positioned at a side of the second hole portion 53, can facilitate the dismounting of described wiper body, make lock piece 5 and scrape arm seat matrix 2 easy separated.
In one embodiment of this invention, described in also comprising fixed plate 6 and be arranged on, scrapes described wiper body the first fixed leg 23 of arm seat matrix 2 bottom surfaces, described the first fixed leg 23 is along the axial setting of described axle body 41, and described the first fixed leg 23 stretches out described lock piece 5 and can be fixedly connected with described fixed plate 6.In concrete enforcement, on described fixed plate 6, be provided with a fixed orifice 62, by fixed orifice 62 and the riveted joint of the first fixed leg 23 realize fixed plate 6 with described in scrape being fixedly connected with of arm seat matrix 2.Preferably, described the first through hole also comprises the 3rd hole portion 54 that can stretch out and can support with described the first fixed leg 23 side faces for the first fixed leg 23, described the 3rd hole portion 54 and the second hole portion 53 are communicated with and are positioned at the opposite side of the second hole portion 53, when pulling lock banking stop 51 movement of turning right in the horizontal direction, make described lock piece 5 be changed to released state from lockup state, spacing effect is played by the 3rd hole portion 54, to prevent that lock banking stop 51 from continuing to move to the right, now the shaft shoulder 42 is just aimed at the second hole portion 53, can realize described output shaft 4 and scrape the separated of arm seat matrix 2 with described, facilitate the dismounting of described wiper body.
In one embodiment of this invention, described fixed plate 6 comprises the arc tips 61 adapting with described axle body 41 side face shapes, and the inside face of described arc tips 61 can be supported with the side face of described axle body 41.The side face of described axle body 41 is the outside face of axle body 41 1 circles.Preferably, described output shaft 4 also comprises the first draw-in groove 44 for spacing described fixed plate, described the first draw-in groove 44 is along the 41 side face settings of axle body, and the outside face of described the first draw-in groove 44 can be supported with the inside face of described arc tips 61, when described fixed plate 6 is fixedly connected with described the first fixed leg 23, arc tips 61 and the first draw-in groove 44 by fixed plate 6 support to prevent fixed plate 6 movement in the axial direction, in addition by described lock piece 5 is locked in described fixed plate 6 and described in scrape between arm seat matrix 2, make the movement that described lock piece 5 can be in the horizontal direction.
In one embodiment of this invention, described lock piece 5 is also included in described lock banking stop 51 and near one end of the first hole portion 52, is provided with projection 55, described protruding 55 and arranges towards scraping arm seat matrix 2.
In one embodiment of this invention, described output shaft 4 comprises the second draw-in groove 45 for spacing described lock banking stop 51, described the second draw-in groove 45 is between the described shaft shoulder 42 and the first draw-in groove 44, and the outside face of described the second draw-in groove 45 can be supported with the inside face of described the first hole portion 52.Preferably, described the second draw-in groove 45 is positioned at the lower surface of the described shaft shoulder 42, and when described lock piece 5 coordinates with the first draw-in groove 44, described lock banking stop 51 can contact with the lower surface of the described shaft shoulder 42.When described lock piece 5 is during in lockup state, the inside face of the outside face of described the second draw-in groove 45 and described the first hole portion 52 is supported, the second draw-in groove 45 can play and prevent lock piece 5 movement in the axial direction, thereby prevents the separated of described related parts 3 and cavity by lock piece 5.
In one embodiment of this invention, described wiper body also comprises at least one second fixed leg 24 of scraping arm seat matrix 2 bottom surfaces described in being arranged on, and described the second fixed leg 24 stretches out described lock piece 5 and can be fixedly connected with described fixed plate 6.In concrete enforcement, on described fixed plate 6, be also provided with two fixed orifices 62, the riveted joint by fixed orifice 62 and the second fixed leg 24 with realize fixed plate 6 with described in to scrape being fixedly connected with of arm seat matrix 2 more firm.Preferably, described lock piece 5 also comprises the second through hole that is arranged on lock banking stop 51 and can stretches out for the second fixed leg.Described the second through hole is waist shaped hole 56, and described waist shaped hole 56 is along the length direction setting of described lock banking stop 51, and the length direction of wherein said lock banking stop 51 is horizontal direction.Described lock piece also comprises the elastic component 57 that is positioned at described waist shaped hole 56, one end of described elastic component 57 can be supported with the outside face that is positioned at the second fixed leg 24 of described waist shaped hole 57, and the other end of described elastic component 57 can be supported with the inside face of described waist shaped hole 57.In concrete enforcement, described elastic component 57 is spring, described in being arranged on, scraping arm seat matrix 2 bottom surfaces is two the second fixed legs 24, the waist shaped hole 56 coordinating with the second fixed leg 24 is so also two, and a spring is positioned at a wherein waist shaped hole 56, coordinates with one second fixed leg 24 wherein, another spring is positioned at a wherein waist shaped hole 56, coordinate with one second fixed leg 24 wherein, when not having External Force Acting on described lock piece 5, increase power so that lock piece 5 enters lockup state.Two waist shaped holes 56 are separately positioned on the both sides of the 3rd hole portion 54, make the layout of through-hole structure on described lock banking stop 51 compacter.
In one embodiment of this invention, the key that described related parts 3 is strip shape, in concrete enforcement, the cross-sectional plane of described key can be rectangle, trapezoidal or triangle etc., as long as related parts 3 somes are arranged in the keyway 22 of scraping arm seat matrix 2, another part is arranged in the groove 43 of output shaft 4.
In concrete enforcement, the disassembly process of wiper body of the present invention is as follows:
As shown in Fig. 5-6, wiper body is in released state, by External Force Acting pull described protruding 55 so that lock banking stop 51 move to the right, make elastic component 57 in compressive state, described the first fixed leg 23 and the 3rd hole portion 54 support, spacing effect is played by the 3rd hole portion 54, to prevent that lock banking stop 51 from continuing to move to the right, now the shaft shoulder 42 is just aimed at the second hole portion 53, lock piece 5 just can not limit output shaft 4 in the axial direction so, scraping arm seat matrix 2 can separate from output shaft 4 by the second hole portion 53, to realize described output shaft 4, scrape the separated of arm seat matrix 2 with described, thereby realize the dismounting of wiper body,
As Figure 7-8, wiper body is in lockup state, when there is no External Force Acting on described protruding 55 so that lock piece 5 while moving to the right, elastic component 57 is by under the antagonistic force of self, drive lock banking stop 51 to move to the left, until axle body 41 and the first hole portion 52 support, now lock banking stop 51 cannot continue to move to the left, make lock piece 5 can limit output shaft 4, so that output shaft 4 can not move in the axial direction, so described output shaft 4 just can not be with described to scrape arm seat matrix 2 separated, complete the assembling of described wiper body, described in can passing to by described related parts 3, the power of now output shaft 4 outputs scrapes arm seat matrix 2, give and to scrape arm assembly 10 and provide reliable and stable power to swing to scrape arm assembly 10 described in driving.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (15)
1. a wiper body, it is characterized in that: described wiper body comprises scrapes arm seat matrix, related parts and output shaft, described output shaft comprises axle body, be arranged on the shaft shoulder of axle body one end, and the groove axially arranging along the shaft shoulder, described bottom surface of scraping arm seat matrix one end is provided with the blind hole coordinating with pivot clearance, the sidewall of described blind hole is provided with keyway, described related parts is embedded in the cavity of described groove and keyway formation, described wiper body also comprises the lock piece for preventing that described related parts is separated with cavity, described lock piece can with scrape arm seat matrix and be fixedly connected with.
2. wiper body as claimed in claim 1, is characterized in that: described lock piece comprises lock banking stop, and is arranged on the first through hole on lock banking stop, and described the first through hole comprises the first hole portion that can stretch out and can support with described axle body side face for axle body.
3. wiper body as claimed in claim 2, is characterized in that: described the first through hole also comprises the second hole portion that can pass for the shaft shoulder, and described the second hole portion and the connection of the first hole portion and the first hole portion are positioned at a side of the second hole portion.
4. wiper body as claimed in claim 3, it is characterized in that: the first fixed leg of scraping arm seat matrix bottom surface described in described wiper body also comprises fixed plate and is arranged on, described the first fixed leg is along the axial setting of described axle body, and described the first fixed leg stretches out described lock piece and can be fixedly connected with described fixed plate.
5. wiper body as claimed in claim 4, it is characterized in that: described the first through hole also comprises the 3rd hole portion that can stretch out and can support with described the first fixed leg side face for the first fixed leg, and described the 3rd hole portion and the second hole portion are communicated with and are positioned at the opposite side of the second hole portion.
6. wiper body as claimed in claim 4, is characterized in that: described lock piece is also included in described lock banking stop and is provided with projection near one end of the first hole portion, and described projection is towards scraping the setting of arm seat matrix.
7. wiper body as claimed in claim 4, is characterized in that: described fixed plate comprises the arc tips adapting with described axle body side face shape, and the inside face of described arc tips can be supported with the side face of described axle body.
8. wiper body as claimed in claim 7, it is characterized in that: described output shaft also comprises the first draw-in groove for spacing described fixed plate, described the first draw-in groove arranges along axle body side face, and the outside face of described the first draw-in groove can be supported with the inside face of described arc tips.
9. wiper body as claimed in claim 7, it is characterized in that: described output shaft comprises the second draw-in groove for spacing described lock banking stop, described the second draw-in groove is between the described shaft shoulder and the first draw-in groove, and the outside face of described the second draw-in groove can be supported with the inside face of described the first hole portion.
10. wiper body as claimed in claim 2, is characterized in that: described wiper body also comprises at least one second fixed leg of scraping arm seat matrix bottom surface described in being arranged on, and described the second fixed leg stretches out described lock piece and can be fixedly connected with described fixed plate.
11. wiper bodies as claimed in claim 10, is characterized in that: described lock piece also comprises the second through hole that is arranged on lock banking stop and can stretches out for the second fixed leg.
12. wiper bodies as claimed in claim 11, is characterized in that: described the second through hole is waist shaped hole, and described waist shaped hole is along the length direction setting of described lock banking stop.
13. wiper bodies as claimed in claim 12, it is characterized in that: described lock piece also comprises the elastic component that is positioned at described waist shaped hole, one end of described elastic component can be supported with the outside face that is positioned at the second fixed leg of described waist shaped hole, and the other end of described elastic component can be supported with the inside face of described waist shaped hole.
14. wiper bodies as claimed in claim 13, is characterized in that: described elastic component is spring.
15. wiper bodies as claimed in claim 1, is characterized in that: the key that described related parts is strip shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310235569.1A CN104210464B (en) | 2013-05-31 | 2013-05-31 | A kind of wiper body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310235569.1A CN104210464B (en) | 2013-05-31 | 2013-05-31 | A kind of wiper body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104210464A true CN104210464A (en) | 2014-12-17 |
| CN104210464B CN104210464B (en) | 2017-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310235569.1A Active CN104210464B (en) | 2013-05-31 | 2013-05-31 | A kind of wiper body |
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| CN (1) | CN104210464B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6227747B1 (en) * | 1999-07-12 | 2001-05-08 | Visteon Global Technologies, Inc. | Shaft retaining apparatus |
| KR20050042897A (en) * | 2003-11-04 | 2005-05-11 | 현대자동차주식회사 | A pivot combination structure of automobile wiper |
| CN1914075A (en) * | 2004-02-02 | 2007-02-14 | 罗伯特·博世有限公司 | Windscreen wiper system |
| CN102815282A (en) * | 2012-08-07 | 2012-12-12 | 奇瑞汽车股份有限公司 | Rear window wiper for automobile |
| CN202923606U (en) * | 2012-12-03 | 2013-05-08 | 博世汽车部件(长沙)有限公司 | Wiper system for vehicle and crank connecting rod mechanism thereof |
| CN202923577U (en) * | 2012-11-30 | 2013-05-08 | 博世汽车部件(长沙)有限公司 | Vehicle wiper system |
-
2013
- 2013-05-31 CN CN201310235569.1A patent/CN104210464B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6227747B1 (en) * | 1999-07-12 | 2001-05-08 | Visteon Global Technologies, Inc. | Shaft retaining apparatus |
| KR20050042897A (en) * | 2003-11-04 | 2005-05-11 | 현대자동차주식회사 | A pivot combination structure of automobile wiper |
| CN1914075A (en) * | 2004-02-02 | 2007-02-14 | 罗伯特·博世有限公司 | Windscreen wiper system |
| CN102815282A (en) * | 2012-08-07 | 2012-12-12 | 奇瑞汽车股份有限公司 | Rear window wiper for automobile |
| CN202923577U (en) * | 2012-11-30 | 2013-05-08 | 博世汽车部件(长沙)有限公司 | Vehicle wiper system |
| CN202923606U (en) * | 2012-12-03 | 2013-05-08 | 博世汽车部件(长沙)有限公司 | Wiper system for vehicle and crank connecting rod mechanism thereof |
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| Publication number | Publication date |
|---|---|
| CN104210464B (en) | 2017-08-22 |
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