CN104527786B - A kind of automobile back wheel camber angle adjustment device - Google Patents
A kind of automobile back wheel camber angle adjustment device Download PDFInfo
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- CN104527786B CN104527786B CN201410713244.4A CN201410713244A CN104527786B CN 104527786 B CN104527786 B CN 104527786B CN 201410713244 A CN201410713244 A CN 201410713244A CN 104527786 B CN104527786 B CN 104527786B
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- eccentric bolt
- eccentric
- spring
- groove
- swing arm
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- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D17/00—Means on vehicles for adjusting camber, castor, or toe-in
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of automobile back wheel camber angle adjustment device, including：Eccentric bolt, spring-backed quill, eccentric washer and locking nut.The present invention outside eccentric bolt by being set with a spring-backed quill, the spring-backed quill is located at eccentric bolt and lower swing arm mounting head, between lower swing arm mounting bracket, spring-backed quill is provided with axial pass trough, tighten locking nut and force the two ends of spring-backed quill to middle shrinkage, axial pass trough then can radially open because of the thrust of axial direction, i.e., spring-backed quill diametrically expands, so as to compensate eccentric bolt and lower swing arm mounting head, fit-up gap between lower swing arm mounting bracket, avoid eccentric bolt rocking in lower swing arm and Rear secondary frame for vehicle, and this rocks the deflection that the locking nut caused is produced on eccentric bolt, reduce eccentric bolt and slide tooth, improve the service life of eccentric bolt, simultaneously, eccentric bolt is set to keep being accurately positioned trailing wheel camber angle, improve the security performance of automobile.
Description
Technical field
The present invention relates to automobile back wheel positioning field, more particularly to a kind of automobile back wheel camber angle adjustment device.
Background technology
Automobile assembling is required for carrying out the positioning of front wheels and rear wheels after finishing, their handling and reduction portions to vehicle
Part abrasion etc. is significant, wherein, trailing wheel camber angle is accurately positioned in trailing wheels, can strengthen running car peace
Entirely, the problems such as reduction tire wear, suspension parts wear and tear.
In the middle of prior art, the adjustment to the trailing wheel camber angle of automobile exists generally by eccentric bolt adjustment lower swing arm
Relative position on Rear secondary frame for vehicle realizes that the position being connected on Rear secondary frame for vehicle with lower swing arm is referred to as lower swing arm mounting bracket, under
Swing arm mounting bracket is provided with two supporting legs, and one end of lower swing arm is lower swing arm mounting head, and lower swing arm mounting head is located at two branch
Between leg, eccentric bolt sequentially passes through a supporting leg, lower swing arm mounting head and another supporting leg, so that by lower swing arm and rear secondary car
Frame links together.First, rotating eccentricity bolt, using eccentric bolt offset pull lower swing arm relative to Rear secondary frame for vehicle to
It is interior or be displaced outwardly, so that can drive with lower swing arm has the trailing wheel being necessarily connected to slope inwardly or outwardly, so as to change trailing wheel
Camber angle, after trailing wheel camber angle is adjusted to appropriate location, the eccentric nut on urgent eccentric bolt, by lower swing arm mounting bracket
Two supporting legs tightened together with lower swing arm mounting head, prevent lower swing arm from untill having displacement relative to Rear secondary frame for vehicle again.
Realize it is of the invention during, inventor find prior art at least there is problems with：
Due to having between eccentric bolt and two supporting legs, the lower swing arm mounting head of lower swing arm mounting bracket in the prior art
Certain fit-up gap, therefore eccentric bolt can usually produce in the inside of lower swing arm mounting head and supporting leg and rock and gradually become
Greatly, influence eccentric bolt is accurately positioned to trailing wheel camber angle, and lasting the rocking of eccentric bolt easily makes eccentric nut in bias
Deflection is produced on bolt, the cunning tooth of eccentric bolt is caused, so as to influence the security performance of automobile.
The content of the invention
Automobile is influenceed to be accurately positioned in order to the eccentric bolt for solving the problems, such as prior art is easily rocked, the embodiment of the present invention
There is provided a kind of automobile back wheel camber angle adjustment device.The technical scheme is as follows：
A kind of automobile back wheel camber angle adjustment device, the automobile back wheel camber angle adjustment device includes：Eccentric bolt, bullet
Property sleeve pipe, eccentric washer and locking nut, the eccentric bolt are located on two supporting legs of lower swing arm mounting bracket successively, and
The eccentric bolt is also located in the lower swing arm mounting head between two supporting legs, and the spring-backed quill is sleeved on institute
State on eccentric bolt, and the spring-backed quill be located between the eccentric bolt and each described supporting leg, the eccentric bolt with
Between the lower swing arm mounting head, the eccentric washer, the locking nut are sleeved on the eccentric bolt, and the lock
Tight nut is located at the branch leg outer side of the afterbody near the eccentric bolt, and the eccentric washer is arranged on the locking nut
Between the supporting leg, the spring-backed quill is provided with axial pass trough.
Further, the length of the spring-backed quill less than the lower swing arm mounting bracket two lateral surfaces of supporting leg it
Between distance, and difference between the distance and the length of the spring-backed quill is less than the thickness of each supporting leg.
Specifically, the axial pass trough includes the first groove, the second groove and the 3rd groove that are sequentially connected with, described first
Groove, second groove, the 3rd groove along the axially arranged of the spring-backed quill, second groove and described
One groove, second groove are located on straight lines different vertically on the spring-backed quill respectively from the 3rd groove, and
The junction of second groove and first groove, second groove are arc with the junction of the 3rd groove
Shape.
Specifically, the difference between the external diameter of the internal diameter of the eccentric washer and the eccentric bolt is 0.1-0.3mm.
Further, gathering sill is provided with the screw rod of the eccentric bolt vertically, is set on the inwall of the eccentric washer
There is flange, the flange coordinates with the gathering sill.
Specifically, the gathering sill is located at the side of the central shaft away from the screw rod on the screw rod.
Preferably, the thickness of the eccentric washer is 4mm.
Preferably, a diameter of 10mm, 12mm, 14mm or 16mm of the eccentric bolt.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The present invention is located at eccentric bolt and lower swing arm by being set with a spring-backed quill, the spring-backed quill outside eccentric bolt
Between mounting head, the lower swing arm mounting bracket of Rear secondary frame for vehicle, spring-backed quill is provided with axial pass trough, tightens locking nut, is allowed to
Eccentric washer is promoted, the two ends of spring-backed quill are forced to middle shrinkage, meanwhile, spring-backed quill is because bearing axial thrust, bullet
Axial pass trough on property sleeve pipe then can radially open, therefore, spring-backed quill diametrically expands under multiple action, so that
Compensation eccentric bolt and the fit-up gap between lower swing arm mounting head, lower swing arm mounting bracket, it is to avoid eccentric bolt is in the bottom
Rocking in arm and Rear secondary frame for vehicle, makes eccentric bolt keep being accurately positioned trailing wheel camber angle, improves the security of automobile
Energy；Meanwhile, the deflection that locking nut is produced by persistently rocking for eccentric bolt on eccentric bolt is it also avoid, so as to avoid
Therefore the eccentric bolt produced slides dental phenomenon, improves the service life of eccentric bolt, reduce motor vehicle repair frequency and
Expense.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the scheme of installation of automobile back wheel camber angle adjustment device provided in an embodiment of the present invention；
Fig. 2 is the scheme of installation for the automobile back wheel camber angle adjustment device that further embodiment of this invention is provided；
Fig. 3 is the structural representation of the automobile back wheel camber angle adjustment device that further embodiment of this invention is provided；
Fig. 4 is the structural representation of the eccentric bolt that further embodiment of this invention is provided；
Fig. 5 is the structural representation of the spring-backed quill that further embodiment of this invention is provided；
Wherein：1 eccentric bolt, 11 gathering sills,
2 spring-backed quills, 21 axial pass troughs, 211 first grooves, 212 second grooves, 213 the 3rd grooves,
3 eccentric washers,
4 locking nuts,
5 Rear secondary frame for vehicle, 51 lower swing arm mounting brackets, 511 supporting legs,
6 lower swing arms, 61 lower swing arm mounting heads.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
As shown in figure 1, also can be found in Fig. 2 and Fig. 3, a kind of automobile back wheel camber angle adjustment dress is the embodiment of the invention provides
Put, the automobile back wheel camber angle adjustment device includes：Eccentric bolt 1, spring-backed quill 2, eccentric washer 3 and locking nut 4, institute
Eccentric bolt 1 is stated to be located in successively on two supporting legs 511 of lower swing arm mounting bracket 51, and the eccentric bolt 1 is also located in
In lower swing arm mounting head 61 between two supporting legs 511, the spring-backed quill 2 is sleeved on the eccentric bolt 1,
And the spring-backed quill 2 is located between the eccentric bolt 1 and each supporting leg 511, the eccentric bolt 1 and the bottom
Between arm mounting head 61, the eccentric washer 3, the locking nut 4 are sleeved on the eccentric bolt 1, and the locking
Nut 4 is located at the outside of the supporting leg 511 of the afterbody near the eccentric bolt 1, and the eccentric washer 3 is arranged on the locking
Between nut 4 and the supporting leg 511, the spring-backed quill 2 is provided with axial pass trough 21.
Wherein, as shown in figure 1, also can be found in Fig. 2, under the position being connected with lower swing arm 6 on the Rear secondary frame for vehicle 5 of automobile is referred to as
Swing arm mounting bracket 51, lower swing arm mounting bracket 51 is provided with two supporting legs 511, and one end of lower swing arm 6 is lower swing arm mounting head
61, lower swing arm mounting head 61 is located between two supporting legs 511, and eccentric bolt 1 sequentially passes through a supporting leg 511, lower swing arm and installs
First 61 and another supporting leg 511, so that lower swing arm 6 be linked together with Rear secondary frame for vehicle 5, the overcoat of eccentric bolt 1 fills resilient sleeve
Pipe 2, the spring-backed quill 2 is located between two supporting legs 511 of lower swing arm mounting bracket 51 and eccentric bolt 1, and lower swing arm peace
Between dress first 61 and eccentric bolt 1, eccentric bolt 1 is kept apart with lower swing arm mounting head 61, lower swing arm mounting bracket 51, used
In eccentric bolt 1 and fit-up gap therebetween is filled up, spring-backed quill 2 is provided with axial pass trough 21, for regulation elasticity set
The diameter of pipe 2；
After vehicle is offline, eccentric bolt 1, spring-backed quill 2 penetrated lower swing arm mounting bracket 51 two supporting legs 511 and under
In swing arm mounting head 61, the eccentric washer 3 and locking nut 4 coordinated with eccentric bolt 1 are sleeved on eccentric nut successively again, are entered
When row automobile back wheel camber angle is adjusted, using the instrument rotating eccentricity such as spanner bolt 1, pulled using the offset of eccentric bolt 1
Lower swing arm 6 is moved in or out relative to Rear secondary frame for vehicle 5, so as to can drive have certain trailing wheel being connected inside with lower swing arm 6
Or it is outward-dipping, so that change the camber angle of trailing wheel, after trailing wheel camber angle is adjusted to appropriate location, on urgent eccentric bolt 1
Locking nut 4, two supporting legs 511 of lower swing arm mounting bracket 51 are tightened together with lower swing arm mounting head 61, make the bottom
Untill arm 6 can not have displacement relative to Rear secondary frame for vehicle 5 again.
Wherein, during urgent locking nut 4, locking nut 4 promotes eccentric washer 3 to be moved towards the cephalad direction of eccentric bolt 1
It is dynamic, the two ends of the spring-backed quill 2 being set with eccentric bolt 1 are forced to middle shrinkage, meanwhile, spring-backed quill 2 is axial because bearing
Thrust, the axial pass trough 21 set on spring-backed quill 2 then can radially open, therefore, spring-backed quill 2 under multiple action
Diametrically expand, so as to compensate the assembly building between eccentric bolt 1 and lower swing arm mounting head 61, lower swing arm mounting bracket 51
Gap, it is to avoid the rocking in lower swing arm 6 and Rear secondary frame for vehicle 5 of eccentric bolt 1, makes the eccentric bolt 1 keep to trailing wheel camber angle
It is accurately positioned, improves the security performance of automobile；Meanwhile, the expansion of spring-backed quill 2 causes that locking nut 4 lacks activity space,
And eccentric bolt 1 is no longer persistently rocked so that locking nut 4 is difficult to produce deflection on eccentric bolt 1, so as to avoid partially
The sliding dental phenomenon of heart bolt 1, improves the service life of eccentric bolt 1, reduces the frequency and expense of motor vehicle repair.
Embodiment two
As shown in figure 1, also can be found in Fig. 2 and Fig. 3, further embodiment of this invention is adjusted there is provided a kind of automobile back wheel camber angle
Engagement positions, the automobile back wheel camber angle adjustment device includes：Eccentric bolt 1, spring-backed quill 2, eccentric washer 3 and locking nut
4, the eccentric bolt 1 is located on two supporting legs 511 of lower swing arm mounting bracket 51 successively, and the eccentric bolt 1 is also worn
It is provided in the lower swing arm mounting head 61 between two supporting legs 511, the spring-backed quill 2 is sleeved on the eccentric bolt
On 1, and the spring-backed quill 2 be located between the eccentric bolt 1 and each described supporting leg 511, the eccentric bolt 1 with it is described
Between lower swing arm mounting head 61, the eccentric washer 3, the locking nut 4 are sleeved on the eccentric bolt 1, and described
Locking nut 4 is located at the outside of the supporting leg 511 of the afterbody near the eccentric bolt 1, and the eccentric washer 3 is arranged on described
Between locking nut 4 and the supporting leg 511, the spring-backed quill 2 is provided with axial pass trough 21.
As shown in Fig. 2 further, two of length less than the lower swing arm mounting bracket 51 of the spring-backed quill 2
Difference between the distance between lateral surface of supporting leg 511, and the distance and the length of the spring-backed quill 2 is less than each described
The thickness of supporting leg 511.
Wherein, it is general between two supporting legs 511 of lower swing arm mounting bracket 51 all to include certain fit-up gap, i.e., two
Displacement when supporting leg 511 compresses in opposite directions, the displacement is generally less than a thickness for supporting leg 511；Due to of the invention two
The distance between outside of supporting leg 511 and the difference between the length of spring-backed quill 2 are less than a thickness for supporting leg 511, therefore, this hair
It is bright when tightening locking nut 4, before two supporting legs 511 reach the limit compressed in opposite directions, eccentric washer 3 can just touch bullet
Property sleeve pipe 2 one end, and two supporting legs 511 can also continue opposite compression, and locking nut 4 continues to press on eccentric washer 3, makes
Spring-backed quill 2 is subject to axial pressing force, the axial pass trough 21 on spring-backed quill 2 radially to open, and fills up eccentric bolt 1 and the bottom
Fit-up gap between two supporting legs 511, the lower swing arm mounting head 61 of arm mounting bracket 51；The setting is combined among reality
Fit-up gap problem, improves assembly precision of the invention, with practical value.
As shown in figure 5, also can be found in Fig. 3, specifically, the axial pass trough 21 include be sequentially connected with the first groove 211,
Second groove 212 and the 3rd groove 213, first groove 211, second groove 212, the equal edge of the 3rd groove 213
Axially arranged, second groove 212 and first groove 211, second groove 212 and the institute of the spring-backed quill 2
The 3rd groove 213 is stated to be located on straight lines different vertically on the spring-backed quill 2 respectively, and second groove 212 and institute
State the junction of the first groove 211, second groove 212 and be arc with the junction of the 3rd groove 213.
Wherein, the corner that the second groove 212 is connected with the first groove 211, the 3rd groove 213 is both configured to round and smooth arc
Shape, therefore, when the two ends of spring-backed quill 2 are by towards middle thrust, the thrust has along the tangential of the arc
Tangential component so that the first groove 211, the 3rd groove 213 slide to the side away from the second groove 212 each along the tangential of the arc
To so that spring-backed quill 2 is radially expanded, compensate between eccentric bolt 1 and supporting leg 511, lower swing arm mounting bracket 51
Fit-up gap.
Specifically, the difference between the internal diameter of the eccentric washer 3 and the external diameter of the eccentric bolt 1 is 0.1-0.3mm.
As shown in figure 4, also can be found in Fig. 2, further, gathering sill is provided with vertically on the screw rod of the eccentric bolt 1
11, the inwall of the eccentric washer 3 is provided with flange, and the flange coordinates with the gathering sill 11.Eccentric washer 3 and eccentric spiral shell
Spacing between bolt 1 is smaller, beneficial to the tight fit of eccentric washer 3 and eccentric bolt 1, meanwhile, eccentric bolt 1 and eccentric washer
Rotation of the eccentric washer 3 on eccentric bolt 1 is limited by the tight fit between gathering sill 11 and flange between 3, it is to avoid
Eccentric washer 3 is rotated on eccentric bolt 1 and to cause big radian to rock, and improves quality of fit therebetween.
Specifically, the gathering sill 11 is located at the side of the central shaft away from the screw rod on the screw rod so that open up
The connection that the intensity of eccentric bolt 1 after gathering sill 11 remains able to be adapted between the Rear secondary frame for vehicle 5 of automobile and lower swing arm 6 is strong
Degree.
Preferably, the thickness of the eccentric washer 3 is 4mm.
Preferably, a diameter of 10mm, 12mm, 14mm or 16mm of the eccentric bolt 1.The diameter selection of eccentric bolt 1
More than 10mm's, and can be according to the diameter that eccentric bolt 1 is flexibly selected using the parameter of automobile of the invention, bias pad
Piece 3, the size selection of locking nut 4 are also herewith managed.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (6)
1. a kind of automobile back wheel camber angle adjustment device, it is characterised in that the automobile back wheel camber angle adjustment device includes：Partially
Heart bolt, spring-backed quill, eccentric washer and locking nut, the eccentric bolt are located in two of lower swing arm mounting bracket successively
On supporting leg, and the eccentric bolt is also located in the lower swing arm mounting head between two supporting legs, the resilient sleeve
Pipe sleeve on the eccentric bolt, and the spring-backed quill be located between the eccentric bolt and each supporting leg, it is described
Between eccentric bolt and the lower swing arm mounting head, the eccentric washer, the locking nut are sleeved on the eccentric bolt
On, and the locking nut is located at the branch leg outer side of the afterbody near the eccentric bolt, the eccentric washer is arranged on
Between the locking nut and the supporting leg, the spring-backed quill is provided with axial pass trough；
The axial pass trough includes the first groove, the second groove and the 3rd groove that are sequentially connected with, first groove, and described the
Two grooves, the 3rd groove are second groove and first groove, described along the axially arranged of the spring-backed quill
Second groove is located on straight lines different vertically on the spring-backed quill respectively from the 3rd groove, and second groove
Junction, second groove with first groove are arc with the junction of the 3rd groove；
The length of the spring-backed quill is less than the distance between lateral surface of two supporting legs of the lower swing arm mounting bracket, and institute
State the thickness that the difference between distance and the length of the spring-backed quill is less than each supporting leg.
2. automobile back wheel camber angle adjustment device according to claim 1, it is characterised in that the internal diameter of the eccentric washer
Difference between the external diameter of the eccentric bolt is 0.1-0.3mm.
3. automobile back wheel camber angle adjustment device according to claim 2, it is characterised in that the screw rod of the eccentric bolt
On be provided with gathering sill vertically, the inwall of the eccentric washer is provided with flange, and the flange coordinates with the gathering sill.
4. automobile back wheel camber angle adjustment device according to claim 3, it is characterised in that the gathering sill is located at described
On screw rod away from the screw rod central shaft side.
5. automobile back wheel camber angle adjustment device according to claim 4, it is characterised in that the thickness of the eccentric washer
For 4mm.
6. automobile back wheel camber angle adjustment device according to claim 5, it is characterised in that the diameter of the eccentric bolt
It is 10mm, 12mm, 14mm or 16mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410713244.4A CN104527786B (en) | 2014-11-28 | 2014-11-28 | A kind of automobile back wheel camber angle adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410713244.4A CN104527786B (en) | 2014-11-28 | 2014-11-28 | A kind of automobile back wheel camber angle adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104527786A CN104527786A (en) | 2015-04-22 |
| CN104527786B true CN104527786B (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410713244.4A Active CN104527786B (en) | 2014-11-28 | 2014-11-28 | A kind of automobile back wheel camber angle adjustment device |
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| Country | Link |
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| CN (1) | CN104527786B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107697162A (en) * | 2016-11-15 | 2018-02-16 | 安徽江淮汽车集团股份有限公司 | The McPherson suspension device of capable adjusting wheel camber angle |
| CN111216810B (en) * | 2018-11-23 | 2022-09-16 | 陕西重型汽车有限公司 | Adjustable inner support sleeve |
| CN110481255B (en) * | 2019-08-23 | 2022-05-03 | 奇瑞汽车股份有限公司 | Rear wheel suspension device and automobile |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4243339A (en) * | 1979-04-09 | 1981-01-06 | Ford Motor Company | Adjustable kingpin assembly |
| US5104141A (en) * | 1991-03-11 | 1992-04-14 | Northstar Manufacturing Company, Inc. | Alignment device for double eccentric CAM arrangement |
| AUPN313795A0 (en) * | 1995-05-23 | 1995-06-15 | Reilly, Bruce John | Adjustment of camber |
| DE29610634U1 (en) * | 1996-06-17 | 1996-10-10 | Schmack, Hendrawati, 36039 Fulda | Fall adjustment device |
| US7726927B2 (en) * | 2006-09-28 | 2010-06-01 | Travis Cook | Quick-adjust for snowmobile clutch |
| US8544861B2 (en) * | 2011-02-25 | 2013-10-01 | Niwot Corporation | Adjustment bolt for adjusting camber angle |
| CN203460927U (en) * | 2013-07-30 | 2014-03-05 | 天津博信汽车零部件有限公司 | Wheel camber angle adjusting device |
-
2014
- 2014-11-28 CN CN201410713244.4A patent/CN104527786B/en active Active
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| CN104527786A (en) | 2015-04-22 |
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| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20150422 Assignee: Wuhu Kai wing Automobile Co., Ltd. Assignor: Saic Chery Automobile Co., Ltd. Contract record no.: 2017990000478 Denomination of invention: Rear wheel camber angle adjusting device of automobile Granted publication date: 20170711 License type: Common License Record date: 20171208 |
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