CN205989635U - Lower swing arm assembly before automobile - Google Patents
Lower swing arm assembly before automobile Download PDFInfo
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- CN205989635U CN205989635U CN201621026655.7U CN201621026655U CN205989635U CN 205989635 U CN205989635 U CN 205989635U CN 201621026655 U CN201621026655 U CN 201621026655U CN 205989635 U CN205989635 U CN 205989635U
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- swing arm
- arc line
- circular arc
- assembly
- line
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Abstract
The utility model discloses lower swing arm assembly before a kind of automobile, including lower swing arm main body assembly (1), described lower swing arm main body assembly (1) is provided with bulb assembly (2) and front lining (3), be provided with swing arm (16) between described bulb assembly (2) and front lining (3) it is characterised in that：The material of described lower swing arm main body assembly (1) is aluminium alloy, the medial surface of described swing arm (16) includes first straight line (5) with plane-parallel and the circular arc line (6) being connected with first straight line (5) in the projection of horizontal plane, the perpendicular that the upper surface of described swing arm (16) is located in bulb assembly (2) axis includes oblique line (7) and the first curve (8) being connected with oblique line (7), this utility model provides a kind of bearing capacity that can meet after changes in material to require to avoid the drive mechanisms such as power transmission shaft again and make weight the lightest, lower swing arm assembly before low cost and the good automobile of versatility.
Description
Technical field
This utility model is related to auto parts and components field, lower swing arm assembly before more particularly, to a kind of automobile.
Background technology
The suspension of automobile is the assembly connecting all transmission joints between the vehicle body of automobile and wheel, its Main Function
It is a shear force and the moment that transmission acts between wheel and vehicle body, slow down the shake being transferred to vehicle body in driving conditions from wheel
Dynamic, improve stability and the comfortableness of driving, suspension includes front suspension and rear suspension, the front suspension bottom arm assembly of automobile, is
Front suspension is primarily directed toward rod member, and the simultaneous distance rod that plays acts on simultaneously, bears longitudinal force when startup, braking, turning and cross force, is
Determine one of critical component of vehicle performance, it is total that front suspension bottom arm assembly mainly passes through front lining, back bush and fore sub frame
One-tenth is attached, and is attached with knuckle and steering guiding mechanism by swing arm bulb, according to prior art, the bottom before automobile
Arm assembly is all to be cast with spheroidal graphite cast-iron to form, weight weight, high cost, and generally applicable property is poor, does not have avoiding structure simultaneously, leads to no
, it is impossible to meet two or more vehicles simultaneously, poor universality, if produced before automobile using other materials for method other vehicles general
Bottom arm assembly, according to current structure it is impossible to the bearing capacity meeting after material changes requires and can not avoid power transmission shaft
Deng drive mechanism.
Utility model content
Technical problem to be solved in the utility model is：Overcome the defect of above prior art, provide one kind can expire
Bearing capacity after sufficient changes in material require to avoid again the drive mechanisms such as power transmission shaft make that weight is the lightest, low cost and versatility
Lower swing arm assembly before good automobile.
Technical solution adopted in the utility model is：Lower swing arm assembly before a kind of automobile, including lower swing arm main body assembly,
Described lower swing arm main body assembly is provided with bulb assembly and front lining, is provided with pendulum between described bulb assembly and front lining
Arm, the material of described lower swing arm main body assembly is aluminium alloy, the medial surface of described swing arm horizontal plane projection include with
The first straight line of plane-parallel and the circular arc line being connected with first straight line, the upper surface of described swing arm is in bulb assembly axis
The perpendicular being located includes oblique line and the first curve being connected with oblique line, and the lower surface of described swing arm is in bulb assembly axis
The perpendicular being located includes the second straight line with plane-parallel and the second curve being connected with second straight line, and described first
Curve and the second curve sizes shape are identical, and the center of circle of described circular arc line is located at the lower section of circular arc line, described circular arc line
Arc radius are 110～140 millimeters, and the central angle of described circular arc line is 50 °～70 °, on described oblique line and bulb assembly
The angle of the plane that surface is located is 10 °～20 °, and the first described curve includes the first circular arc line, the second circular arc line and the 3rd
Circular arc line, the first described circular arc line is tangent with second straight line, and the second described circular arc line is tangent with the first circular arc line, described
Three-arc line is tangent with the second circular arc line, and the center of circle of described the first circular arc line is located at the top of the first curve, and described the
The arc radius of one circular arc line are 350～500 millimeters, and the described central angle corresponding to the first circular arc line is 8 °～16 °, described
The center of circle of the second circular arc line be located at the lower section of the first curve, the arc radius of described the second circular arc line are 130～160 millis
Rice, the described central angle corresponding to the second circular arc line is 20 °～50 °, and the center of circle of described three-arc line is located at the first song
The top of line, the arc radius of described three-arc line are 50～80 millimeters, the described center of circle corresponding to three-arc line
Angle is 10 °～30 °.
After above structure, this utility model compared with prior art has advantages below：Lower swing arm main body assembly
Material aluminium alloy is changed to by spheroidal graphite cast-iron, simultaneously processing mode from casting be changed into forge, lower swing arm before the automobile produced
Assembly is lightweight, in order to meet the bearing requirements of three kinds of different automobile types (pure electronic, the HA hybrid power of 5AEV and HAVE are pure electronic)
And the requirement of avoidance power transmission shaft, curved surface is set in swing arm horizontal direction, is made up of plane and arc surface, the corresponding projection of plane
It is first straight line, arc surface is corresponding to be projected as circular arc line, and plane and arc surface are from bulb assembly to front lining direction successively
Distribution, curved surface is set in swing arm longitudinal direction, is made up of slope, the first arc surface, the second arc surface and three-arc face, tiltedly
Slope is corresponding to be projected as oblique line, and the first arc surface is corresponding to be projected as the first circular arc line, and the second arc surface is corresponding to be projected as
Two circular arc lines, three-arc face is corresponding to be projected as three-arc line, and it is exactly whole that horizontal curved surface is combined with longitudinal curved surface
One concrete shape of swing arm, ensures the size of various curved surfaces within the specific limits simultaneously, ball stud installation site and front lining
Horizontal radian change and the longitudinal radian of increase between installation site, advantage is that the bearing capacity after can meeting changes in material will
Ask and can avoid the drive mechanisms such as power transmission shaft make that weight is the lightest, low cost and versatility is good.
Preferably, the arc radius of the first described circular arc line are 400 millimeters, corresponding to the first described circular arc line
Central angle is 13 °, and effect is optimum, and dispersive stress effect is good, and bearing capacity is strong.
Preferably, the arc radius of the second described circular arc line are 150 millimeters, corresponding to the second described circular arc line
Central angle is 30 °, and effect is optimum, and dispersive stress effect is good, and bearing capacity is strong.
Preferably, the arc radius of described three-arc line are 70 millimeters, corresponding to described three-arc line
Central angle is 18 °, and effect is optimum, and dispersive stress effect is good, and bearing capacity is strong.
Preferably, described bulb assembly is provided with the convenient opening positioning away from the side of front lining one end, it is right to facilitate
Bulb assembly is positioned, and is conducive to installing positioning it is not necessary to additionally arrange locating dowel, is conducive to the realization of forging technology.
Preferably, described bulb assembly is provided with least two bulb pin-and-holes, two bulb pin-and-holes are located at respectively to be opened
The both sides of mouth, easy for installation.
Preferably, the quantity of described bulb pin-and-hole is three, described bulb pin-and-hole becomes angular distribution, described pendulum
The distance at the side of arm nearly bulb assembly one end to the bulb pin-and-hole center away from opening is 10～17 millimeters, convenient total to bulb
Become to be positioned, simultaneously can preferably dispersive stress.
Preferably, described swing arm upper surface is provided with two the first reinforcements, described swing arm lower surface is provided with two
Second reinforcement, the first described reinforcement is divided into three the first grooves, the first groove of nearly bulb assembly swing arm upper surface
For opening towards bulb assembly open slot, the described ball stud hole position away from opening in open slot, described second plus
Strong muscle is divided into three the second grooves swing arm lower surface, and the second groove of nearly bulb assembly is the groove of closing, described away from
The outside of the second groove in nearly bulb assembly for the ball stud hole position of opening, away from opening ball stud hole position in open slot,
Conveniently positioned when casting, the second groove of nearly bulb assembly is the groove of closing, away from the bulb pin-and-hole of opening
Positioned at the outside of the second groove of nearly bulb assembly, improve the carrying energy of swing arm in the case of not affecting bulb assembly positioning
Power.
Preferably, the depth of the first described groove and the second groove is 2～6 millimeters, both ensure that the strong of swing arm
Degree in turn ensure that the effect of dispersive stress.
Preferably, the thickness of the first described reinforcement and the second reinforcement is 15～30 millimeters, can preferably divide
Scattered stress.
Brief description
Fig. 1 is the axonometric chart of lower swing arm assembly before this utility model automobile.
Fig. 2 is the top view of lower swing arm assembly before this utility model automobile.
Fig. 3 is the axonometric chart of another angle of lower swing arm assembly before this utility model automobile.
Fig. 4 is the front view of lower swing arm assembly before this utility model automobile.
Wherein, 1, bottom arm assembly, 2, bulb assembly, 3, front lining, the 4, first reinforcement, 5, first straight line, 6, circular arc
Line, 7, oblique line, the 8, first curve, 9, second straight line, the 10, second curve, the 11, first circular arc line, the 12, second circular arc line, 13,
Three-arc line, 14, opening, 15, bulb pin-and-hole, 16, swing arm, the 17, second reinforcement, the 18, first groove, the 19, second groove.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As illustrated, this utility model provides lower swing arm assembly before a kind of automobile, including lower swing arm main body assembly 1, described
Lower swing arm main body assembly 1 be provided with bulb assembly 2 and front lining 3, be provided with pendulum between described bulb assembly 2 and front lining 3
Arm 16, the material of described lower swing arm main body assembly 1 is aluminium alloy, and the medial surface of described swing arm 16 is in the projection bag of horizontal plane
Include the first straight line 5 with plane-parallel and the circular arc line 6 being connected with first straight line 5, the upper surface of described swing arm 16 is in ball
The perpendicular that head assembly 2 axis is located includes oblique line 7 and the first curve 8 being connected with oblique line 7, the following table of described swing arm 16
The perpendicular that face is located in bulb assembly 2 axis is included second straight line 9 with plane-parallel and is connected with second straight line 9
Second curve 10, the first described curve 8 is identical with the second curve 10 size shape, and the center of circle of described circular arc line 6 is located at circle
The lower section of camber line 6, the arc radius of described circular arc line 6 are 110～140 millimeters, and the central angle of described circular arc line 6 is 50 °
～70 °, the angle of the plane that described oblique line 7 is located with bulb assembly 2 upper surface is 10 °～20 °, described the first curve 8
Including the first circular arc line 11, the second circular arc line 12 and three-arc line 13, the first described circular arc line 11 and second straight line 9 phase
Cut, the second described circular arc line 12 is tangent with the first circular arc line 11, and described three-arc line 13 is tangent with the second circular arc line 12,
The center of circle of the first described circular arc line 11 is located at the top of the first curve 8, and the arc radius of the first described circular arc line 11 are 350
～500 millimeters, the described central angle corresponding to the first circular arc line 11 is 8 °～16 °, the center of circle of described the second circular arc line 12
Positioned at the lower section of the first curve 8, the arc radius of the second described circular arc line 12 are 130～160 millimeters, described the second circular arc
Central angle corresponding to line 12 is 20 °～50 °, and the center of circle of described three-arc line 13 is located at the top of the first curve 8, described
The arc radius of three-arc line 13 be 50～80 millimeters, the described central angle corresponding to three-arc line 13 is 10 °～
30 °, the utility model has the advantages that the material of lower swing arm main body assembly is changed to aluminium alloy by spheroidal graphite cast-iron, processing mode simultaneously
It is changed into forging from casting, before the automobile produced, lower swing arm assembly is lightweight, in order to meet three kinds of different automobile types (pure electricity of 5AEV
Dynamic, HA hybrid power and HAVE are pure electronic) bearing requirements and the requirement avoiding power transmission shaft, in the setting of swing arm 16 horizontal direction
Curved surface, is made up of plane and arc surface, and the corresponding projection of plane is first straight line 5, and arc surface is corresponding to be projected as circular arc line 6,
Plane and arc surface are sequentially distributed to front lining 3 direction from bulb assembly 2, arrange curved surface in swing arm 16 longitudinal direction, by
Slope, the first arc surface, the second arc surface and three-arc face composition, slope is corresponding to be projected as oblique line 7, the first arc surface pair
That answers is projected as the first circular arc line 11, and the second arc surface is corresponding to be projected as the second circular arc line 12, the corresponding throwing in three-arc face
Shadow is three-arc line 13, and oblique line, the first circular arc line 11, the second circular arc line 12 and three-arc line 13 are from bulb assembly 2 forward
Bushing 3 direction is sequentially distributed, horizontal curved surface combine with longitudinal curved surface be exactly whole swing arm a concrete shape, protect simultaneously
Demonstrate,prove the size of various curved surfaces within the specific limits, between ball stud installation site and front lining installation site the change of horizontal radian with
And increasing longitudinal radian, advantage is that the bearing capacity after can meeting changes in material requires to avoid the drive mechanisms such as power transmission shaft again
Make that weight is the lightest, low cost and versatility is good.
The arc radius of the first described circular arc line 11 are 400 millimeters, the described center of circle corresponding to the first circular arc line 11
Angle is 13 °, and effect is optimum, and dispersive stress effect is good, and bearing capacity is strong.
The arc radius of the second described circular arc line 12 are 150 millimeters, the described center of circle corresponding to the second circular arc line 12
Angle is 30 °, and effect is optimum, and dispersive stress effect is good, and bearing capacity is strong.
The arc radius of described three-arc line 13 are 70 millimeters, the described central angle corresponding to three-arc line 13
For 18 °, effect is optimum, and dispersive stress effect is good, and bearing capacity is strong.
Described bulb assembly 2 is provided with the convenient opening 14 positioning away from the side of front lining 3 one end, convenient total to bulb
Become to be positioned, be conducive to positioning is installed it is not necessary to additionally arrange locating dowel, be conducive to the realization of forging technology.
Described bulb assembly 2 is provided with least two bulb pin-and-holes 15, and two bulb pin-and-holes 15 are located at opening 14 respectively
Both sides, easy for installation.
The quantity of described bulb pin-and-hole 15 is three, described 15 one-tenth angular distribution of bulb pin-and-hole, described swing arm 16
The distance at the side of nearly bulb assembly 2 one end to bulb pin-and-hole 15 center away from opening 14 is 10～17 millimeters, conveniently to ball
Head assembly 2 is positioned, simultaneously can preferably dispersive stress.
Described swing arm 16 upper surface is provided with two the first reinforcements 4, and described swing arm 16 lower surface is provided with two second
Reinforcement 17, described 4 swing arm 16 upper surfaces of the first reinforcement are divided into three the first grooves 18, and the first of nearly bulb assembly 2
Groove 18 is the open slot towards bulb assembly 2 for the opening, and the described bulb pin-and-hole 15 away from opening 14 is located in open slot, institute
17 swing arm 16 lower surfaces of the second reinforcement stated are divided into three the second grooves 19, and the second groove 19 of nearly bulb assembly 2 is envelope
The groove closing, the described bulb pin-and-hole 15 away from opening 14 is located at the outside of the second groove 19 of nearly bulb assembly 2, keeps away
The ball stud hole position 15 of mouth 14, in open slot, is conveniently positioned, the second groove 19 of nearly bulb assembly 2 when casting
For closing groove, away from opening 14 bulb pin-and-hole 15 be located at nearly bulb assembly 2 the second groove 19 outside, do not affecting
Improve the bearing capacity of swing arm 16 in the case of bulb assembly 2 positioning.
The depth of the first described groove 18 and the second groove 19 is 2～6 millimeters, not only ensure that swing arm 16 intensity but also
Ensure that the effect of dispersive stress.
The thickness of the first described reinforcement 4 and the second reinforcement 17 is 15～30 millimeters, can preferably dispersive stress.
Specifically, principle of the present utility model is the material of lower swing arm main body assembly to be changed to aluminum by spheroidal graphite cast-iron close
Gold, simultaneously processing mode from casting be changed into forge, before the automobile produced, lower swing arm assembly is lightweight, in order to meet three kinds not
The bearing requirements of same vehicle (pure electronic, the HA hybrid power of 5AEV and HAVE are pure electronic) and the requirement avoiding power transmission shaft, in pendulum
Arm 16 horizontal direction arranges curved surface, is made up of plane and arc surface, the corresponding projection of plane is first straight line 5, and arc surface corresponds to
Be projected as circular arc line 6, plane and arc surface are sequentially distributed to front lining 3 direction from bulb assembly 2, in swing arm 16 longitudinally
Direction arranges curved surface, is made up of slope, the first arc surface, the second arc surface and three-arc face, and slope is corresponding to be projected as tiltedly
Line 7, the first arc surface is corresponding to be projected as the first circular arc line 11, and the second arc surface is corresponding to be projected as the second circular arc line 12, the
Three-arc face is corresponding to be projected as three-arc line 13, oblique line, the first circular arc line 11, the second circular arc line 12 and three-arc line 13
It is sequentially distributed to front lining 3 direction from bulb assembly 2, it is exactly one of whole swing arm that horizontal curved surface is combined with longitudinal curved surface
Concrete shape, ensures the size of various curved surfaces within the specific limits simultaneously, ball stud installation site and front lining installation site it
Between laterally radian change and increase longitudinal radian, advantage is the bearing requirements after meeting changes in material, dispersive stress and keeping away
Allow power transmission shaft, versatility is good, the arc radius of described circular arc line 6 are 125 millimeters, and the central angle of described circular arc line 6 is
60 °, the angle of the plane that described oblique line 7 is located with bulb assembly 2 upper surface is 15 °, described the first groove 18 and second
The depth of groove 19 is 4 millimeters, and the thickness of the first described reinforcement 4 and the second reinforcement 17 is 20 millimeters, described
The distance at the side of nearly bulb assembly 2 one end of swing arm 16 to bulb pin-and-hole 15 center away from opening 14 is 14 millimeters.
Above this utility model preferred embodiment is described, but is not to be construed as limiting the scope of the invention.
This utility model is not only limited to above example, and its concrete structure allows to change, all in this utility model demand for independence
The various change made in protection domain is all in protection domain of the present utility model.
Claims (10)
1. lower swing arm assembly before a kind of automobile, including lower swing arm main body assembly (1), described lower swing arm main body assembly (1) sets
There are bulb assembly (2) and front lining (3), between described bulb assembly (2) and front lining (3), be provided with swing arm (16), its feature
It is：The material of described lower swing arm main body assembly (1) is aluminium alloy, and the medial surface of described swing arm (16) is in the throwing of horizontal plane
Shadow includes the first straight line (5) and the circular arc line (6) being connected with first straight line (5) with plane-parallel, described swing arm (16)
The perpendicular that is located in bulb assembly (2) axis of upper surface include oblique line (7) and the first curve being connected with oblique line (7)
(8) perpendicular that, the lower surface of described swing arm (16) is located in bulb assembly (2) axis includes with plane-parallel
Two straight lines (9) and the second curve (10) being connected with second straight line (9), described the first curve (8) and the second curve (10) are big
Little shape is identical, and the center of circle of described circular arc line (6) is located at the lower section of circular arc line (6), the arc radius of described circular arc line (6)
For 110～140 millimeters, the central angle of described circular arc line (6) is 50 °～70 °, on described oblique line (7) and bulb assembly (2)
The angle of the plane that surface is located is 10 °～20 °, and described the first curve (8) includes the first circular arc line (11), the second circular arc line
(12) and three-arc line (13), the second tangent with second straight line (9), described circular arc line of described the first circular arc line (11)
(12) tangent with the first circular arc line (11), described three-arc line (13) is tangent with the second circular arc line (12), and described first
The center of circle of circular arc line (11) is located at the top of the first curve (8), and the arc radius of described the first circular arc line (11) are 350～
500 millimeters, the described central angle corresponding to the first circular arc line (11) is 8 °～16 °, the circle of described the second circular arc line (12)
The heart is located at the lower section of the first curve (8), and the arc radius of described the second circular arc line (12) are 130～160 millimeters, and described the
Central angle corresponding to two circular arc lines (12) is 20 °～50 °, and the center of circle of described three-arc line (13) is located at the first curve
(8) top, the arc radius of described three-arc line (13) are 50～80 millimeters, and described three-arc line (13) institute is right
The central angle answered is 10 °～30 °.
2. before automobile according to claim 1 lower swing arm assembly it is characterised in that：The circle of described the first circular arc line (11)
Arc radius are 400 millimeters, and the described central angle corresponding to the first circular arc line (11) is 13 °.
3. before automobile according to claim 1 lower swing arm assembly it is characterised in that：The circle of described the second circular arc line (12)
Arc radius are 150 millimeters, and the described central angle corresponding to the second circular arc line (12) is 30 °.
4. before automobile according to claim 1 lower swing arm assembly it is characterised in that：The circle of described three-arc line (13)
Arc radius are 70 millimeters, and the described central angle corresponding to three-arc line (13) is 18 °.
5. before automobile according to claim 1 lower swing arm assembly it is characterised in that：Described bulb assembly (2) is away from front
The side of bushing (3) one end is provided with the opening (14) of convenient positioning.
6. before automobile according to claim 5 lower swing arm assembly it is characterised in that：Described bulb assembly (2) is provided with
At least two bulb pin-and-holes (15), two bulb pin-and-holes (15) are located at the both sides of opening (14) respectively.
7. before automobile according to claim 6 lower swing arm assembly it is characterised in that：The quantity of described bulb pin-and-hole (15)
For three, described bulb pin-and-hole (15) becomes angular distribution, and the side of nearly bulb assembly (2) one end of described swing arm (16) is to far
The distance leaving bulb pin-and-hole (15) center of mouth (14) is 10～17 millimeters.
8. before automobile according to claim 7 lower swing arm assembly it is characterised in that：Described swing arm (16) upper surface is provided with
Two the first reinforcements (4), described swing arm (16) lower surface is provided with two the second reinforcements (17), described the first reinforcement
(4) swing arm (16) upper surface is divided into three the first grooves (18), first groove (18) of nearly bulb assembly (2) is opening direction
The open slot of bulb assembly (2), the described bulb pin-and-hole (15) away from opening (14) is located in open slot, described second plus
Strong muscle (17) is divided into three the second grooves (19) swing arm (16) lower surface, and second groove (19) of nearly bulb assembly (2) is envelope
The groove closing, the described bulb pin-and-hole (15) away from opening (14) is located at the outer of second groove (19) of nearly bulb assembly (2)
Face.
9. before automobile according to claim 8 lower swing arm assembly it is characterised in that：Described the first groove (18) and second
The depth of groove (19) is 2～6 millimeters.
10. before automobile according to claim 8 lower swing arm assembly it is characterised in that：Described the first reinforcement (4) and
The thickness of two reinforcements (17) is 15～30 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621026655.7U CN205989635U (en) | 2016-08-31 | 2016-08-31 | Lower swing arm assembly before automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621026655.7U CN205989635U (en) | 2016-08-31 | 2016-08-31 | Lower swing arm assembly before automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205989635U true CN205989635U (en) | 2017-03-01 |
Family
ID=58105681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621026655.7U Withdrawn - After Issue CN205989635U (en) | 2016-08-31 | 2016-08-31 | Lower swing arm assembly before automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205989635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106274326A (en) * | 2016-08-31 | 2017-01-04 | 宁波永信汽车部件制造有限公司 | Lower swing arm assembly before automobile |
-
2016
- 2016-08-31 CN CN201621026655.7U patent/CN205989635U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106274326A (en) * | 2016-08-31 | 2017-01-04 | 宁波永信汽车部件制造有限公司 | Lower swing arm assembly before automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170301 Effective date of abandoning: 20180403 |