CN109764307A - A kind of gear adjuster of the self-locking buckle structure of band - Google Patents
A kind of gear adjuster of the self-locking buckle structure of band Download PDFInfo
- Publication number
- CN109764307A CN109764307A CN201811646307.3A CN201811646307A CN109764307A CN 109764307 A CN109764307 A CN 109764307A CN 201811646307 A CN201811646307 A CN 201811646307A CN 109764307 A CN109764307 A CN 109764307A
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- elastic
- cyclic annular
- self
- elastic bar
- buckle structure
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Abstract
The invention discloses a kind of adjusters, it is simple to provide a kind of structure, car light light is easy to adjust, and lockable light adjusting position, guarantee the gear adjuster with self-locking buckle structure of traffic safety, it is vulnerable to solve car light light regulating mechanism existing in the prior art, adjustment process is loaded down with trivial details, and since position after lamps and lanterns are adjusted can not be locked, easily cause the technical problem of safety accident etc., it includes that cover is equipped with the intracorporal lamp body of shell and rack, the inner end of rack is meshed by head gear with the transmission gear on lamp body, the outboard end of rack is run through by cyclic annular fastener to be fixed on the snaps into position hole of shell, in one end that the mesoporous interpolation of cyclic annular fastener then latches, elastic bar is equipped on lock, conical surface guide post is equipped in ring-type fastener corresponding with elastic bar, lock is inserted into cyclic annular anticreep When buckling mesoporous, conical surface guiding column overhead elastic bar passes outwards through cyclic annular fastener side wall and swelling is fixed in snaps into position hole.
Description
Technical field
The present invention relates to a kind of adjuster more particularly to a kind of car light light are easy to adjust, and lockable light adjusts position
It sets, guarantees the gear adjuster with self-locking buckle structure of traffic safety.
Background technique
Existing car light light adjusting system is generally divided into three categories: manual adjustment system, automatic light control system or quasi-static system
System and dynamical system (AFS).In car light light adjusting system, rotated generally by gear-driving rod band moving gear to realize car light lamp
The variation of group illumination direction.The generally all adjustings with inner cross or interior hexagonal of existing manual adjustment system middle gear drive rod
Hole, the rotation of gear is realized by light modulation tool, and then realizes the purpose of light modulation, multiple with screwdriver or allen wrench
It adjusts, will appear abrasion, or even cracking or damage phenomenon at the cooperation of Plastic Gear Transmission bar, so as to cause light adjusting system mistake
Effect increases the cost of replacement lamps and lanterns.Simultaneously in light adjustment process, since the position after lamps and lanterns are adjusted can not be locked, work as vapour
Vehicle travels on road complicated and changeable, on especially scraggly road surface, since Vehicular vibration is more frequent, and gear drive
Bar has the risk that rotation occurs, and so that the lamps and lanterns light type position regulated is changed, not only easily makes what is gone in the same direction to drive
The person of sailing generates dazzling, while generation phenomena such as also easily cause road lighting insufficient, to cause safety accident.
Summary of the invention
The present invention is mainly there is provided a kind of structure is simple, and car light light is easy to adjust, and lockable light adjusting position,
The gear adjuster with self-locking buckle structure for guaranteeing traffic safety, solves car light light regulating mechanism existing in the prior art
Vulnerable, adjustment process is loaded down with trivial details, and due to that can not lock position after lamps and lanterns are adjusted, the technology of easily initiation safety accident etc. is asked
Topic.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals: a kind of self-locking buckle structure of band
Gear adjuster, including cover is equipped with the intracorporal lamp body of shell and rack, and the inner end of rack passes through on head gear and lamp body
Transmission gear be meshed, the outboard end of the rack passes through cyclic annular fastener and runs through the snaps into position hole for being fixed on shell
On, in one end that the mesoporous interpolation of cyclic annular fastener then latches, elastic bar is equipped on lock, it is corresponding with elastic bar
Cyclic annular fastener in be equipped with conical surface guide post, when lock is inserted into cyclic annular fastener mesoporous, the conical surface is oriented to column overhead elasticity
Rib passes outwards through cyclic annular fastener side wall and swelling is fixed in snaps into position hole.When light direction being needed to adjust, from ring
Shape fastener mesoporous pulls out lock, and elastic bar, which resets, is detached from conical surface guide post, directly uses the positive and negative rotating ring of hand at this time
Shape fastener, cyclic annular fastener drive head gear to rotate by rack, and the transmission gear rotation engaged with head gear is i.e.
Lamp body can be driven to rotate to realize that light direction is adjusted, after light is adjusted, then push lock inwardly, conical surface guiding column overhead
Elastic bar deforms the via hole passed through after expansion on cyclic annular fastener side wall outward, then swelling is fixed on snaps into position hole inner wall
On face, i.e., lock is locked on the inner wall of snaps into position hole by elastic bar, and cyclic annular fastener locking can not rotate, thus vehicle
Even if travelling on road complicated and changeable or on scraggly road surface, rack rotation phenomenon will not occur, tie
Structure is simple, and car light light is easy to adjust, and lockable light adjusting position, ensure that traffic safety after adjusting.
Preferably, integral type is connected to cambered surface plush copper on the medial surface of the elastic bar, in conical surface guide post
Outer ring surface is equipped with cambered surface groove, when the conical surface is oriented to the outside swelling of column overhead elastic bar in snaps into position hole, cambered surface plush copper
Interworking is connected in cambered surface groove.By being oriented to the cambered surface that interworking is arranged in intercolumniation in the corresponding elastic bar in lock position and the conical surface
Plush copper and cambered surface groove, prevent elastic bar from skidding off outward along conical surface guide post, guarantee the validity of locking, while using cambered surface
Design can skid off cambered surface groove convenient for force rear arc plush copper and be unlocked.
Preferably, integral type is connected to two cambered surface plush coppers, and two cambered surfaces on the medial surface of the elastic bar
Plush copper is respectively close to elastic bar side edge.Two cambered surface plush coppers are arranged in parallel on one elastic bar, it is ensured that elastic bar
Balance is kept during deforming expansion, is flattened on the elastic bar of outreach on the inner wall of snaps into position hole, increases elastic bar
With the contact area of snaps into position hole inner wall, frictional force tension force is improved.
Preferably, at least provided with two elastic bars on the lock, and elastic bar is in same circumferencial direction etc.
Range distribution.By being uniformly arranged two or more two elastic bars in circumferencial direction, guarantee that lock locking is tried hard to keep
Equilibrium is held, locking failure caused by lock deflection is prevented.
Preferably, the outer ring surface interworking of the medial surface of the elastic bar and conical surface guide post, the outside of elastic bar
The inner ring surface interworking in face and snaps into position hole, and be connected in the lateral surface of elastic bar by several axial ribs tooth socket interworkings
In the corresponding axial hole tooth socket of snaps into position hole inner ring surface.Elastic bar is and conical surface guide post outer ring surface and snaps into position hole
The ring structure of inner ring surface interworking, it is ensured that process and locking state stress balance is unfolded in elastic bar, makes during lock remains
It is vertical, improve the stability of locking；The lateral surface of elastic bar passes through the hole tooth socket interworking on rib tooth socket and positioning hole anchor ring
Clamping, prevents locking rear catch from rotating in circumferencial direction, it is ensured that locking is reliable.
Preferably, the radially inwardly extending formation of ring-type fastener corresponding with the elastic bar side is fan-shaped convex
Platform, is equipped with the clamp and grab of interworking between elastic bar side wall surface and corresponding fan-shaped plateau sidewall face, and clamp is hooked on card
On hook.When latching locking, elastic bar two side walls pass through the clamp of interworking respectively and grab is locked in cyclic annular fastener
On via hole edge, to prevent lock along axial sliding, locking reliability is improved, since lock and cyclic annular fastener are band
There is the plastic part of certain elasticity, therefore hook and the separation of clamp and grab slightly firmly can be realized in locking and unlocking process.
Preferably, corresponding ring-type fastener edge extends outward to form several elasticity outside the snaps into position hole
Claw, snaps into position corresponding with elastic card claw hole edge are equipped with circular orientation boss, and it is convex that elastic card claw is hooked on circular orientation
On platform.Cyclic annular fastener edge is hooked on the circular orientation boss on the edge of snaps into position hole by elastic card claw, it is ensured that
Cyclic annular fastener axial direction reliable location, it is ensured that head gear and transmission gear remain meshing state.
Preferably, the elastic bar integrated coaxial is connected to the medial surface of outer cover ring, it is right on the outside of elastic bar
The outer cover ring medial surface answered is equipped with several positioning plush coppers, and several positioning deep gouges are equipped on the outer end face of cyclic annular fastener,
Positioning plush copper interworking is plugged in corresponding positioning deep gouge.Lock is locked at ring-type by the positioning plush copper and positioning deep gouge of interworking
On the outer end face of fastener, prevent lock under lockup state from rotating.
More preferably, the external port edge two sides of the outer cover ring extend to form dismounting fishplate bar horizontally outward.Dismounting connects
Plate facilitates pulling or pushes lock.
Preferably, being folded with sealing ring between the rack and the inner ring surface in corresponding snaps into position hole.By setting
The leakproofness in space where sealing ring improves lamp body is set, and can realize the axially position of rack by sealing ring again.
Therefore, a kind of gear adjuster of the self-locking buckle structure of band of the invention, which has an advantage that, needs light direction tune
When section, lock is pulled out from cyclic annular fastener, the adjusting of light direction can be carried out with the positive and negative rotating annular fastener of hand,
After light is adjusted, then push lock inwardly into cyclic annular fastener, conical surface guiding column overhead elastic bar deforms outward
And via hole swelling is passed through on the inner wall of snaps into position hole, cyclic annular fastener locking will not be sent out under vibrational state thus
Raw rack rotation phenomenon, structure is simple, and car light light is easy to adjust, and lockable light adjusting position, ensure that row after adjusting
Vehicle safety；The lateral surface of elastic bar is clamped by the hole tooth socket interworking on rib tooth socket and positioning hole anchor ring, prevents locking
Rear catch rotates in circumferencial direction, it is ensured that locking is reliable；Lock is locked at by the positioning plush copper and positioning deep gouge of interworking
On the outer end face of cyclic annular fastener, prevent lock under lockup state from rotating.
Detailed description of the invention:
Fig. 1 is structural schematic diagram of the present invention in adjustable state；
Fig. 2 is structural schematic diagram of the present invention in lockup state；
Fig. 3 is explosive view of the invention；
Fig. 4 is the assembling schematic diagram of clamp and grab in the present invention；
Fig. 5 is the structural schematic diagram of cyclic annular fastener in the present invention；
Fig. 6 is the structural schematic diagram latched in the present invention.
Specific embodiment:
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment:
As depicted in figs. 1 and 2, the gear adjuster of the self-locking buckle structure of a kind of band of the invention, including cover equipped with the lamp in shell 1
The inner end of body 2 and rack 3, rack 3 is meshed by head gear 4 with the transmission gear 12 on lamp body 2, rack 3
Outboard end passes through cyclic annular fastener 5 through being fixed on the snaps into position hole 6 of shell 1, and wherein rack 3 includes bar main body
31, corresponding to several fixed limit slip rings 32 of coaxial package equidistant outside the bar main body 31 in shell 1,31 outside of bar main body
End is connect with ring-type 5 coaxial integrated of fastener, then latches 7 in the external port interpolation of cyclic annular fastener 5, rack 3,
Cyclic annular fastener 5 and lock 7 are plastic material, as shown in figure 3, lock 7 includes that outer cover ring 74 and integrated coaxial connect
In two elastic bars 71 of 74 medial surface of outer cover ring, two elastic bars 71 are equidistantly distributed in same circumferencial direction, elasticity
The equal wall thickness fan ring structure of the inner ring surface interworking in lateral surface that rib 71 is and snaps into position hole 6, it is corresponding with elastic bar 71
5 mesoporous bottom of cyclic annular fastener have conical surface guide post 51, conical surface guide post 5 and ring-type fastener 5 are coaxial, and its is small
Outwardly, when lock 7 is inserted into cyclic annular 5 mesoporous of fastener, the outer ring surface overhead elastic bar 71 of conical surface guide post 51 is outside at diameter end
It is unfolded and passes through the via hole 14 of interworking on 5 side wall of cyclic annular fastener, is evenly distributed with several axis in the lateral surface of elastic bar 71
To rib tooth socket 73, the corresponding axial hole tooth socket 61 for being evenly distributed with several interworkings, elastic rib on 6 inner ring surface of snaps into position hole
Item 71 is connected in axial hole tooth socket 61 when being unfolded outward by 73 interworking of axial ribs tooth socket, so that lock 7 passes through elastic rib
71 swelling of item is fixed in snaps into position hole 6, as shown in figure 4, in order to ensure axial ribs tooth socket 73 and axial hole tooth socket 61 fill
Tap touching, has wedge-like opening slot 15 on the inner side end of elastic bar 71.In outer cover corresponding with 71 side of elastic bar
Several circular positioning plush coppers 75 are had on 74 medial surface of ring, as shown in figure 5, the band on the outer end face of cyclic annular fastener 5
There are several positioning deep gouges 54, when 71 outreach swelling of elastic bar is fixed in snaps into position hole 6,74 medial surface of outer cover ring is flattened on
On the outer end face of cyclic annular fastener 5, positioning 75 interworking of plush copper is plugged in corresponding positioning deep gouge 54, as shown in fig. 6, outer cover
The two sides at the outer end face edge of ring 74 extend to form dismounting fishplate bar 76 horizontally outward, and dismount fishplate bar 76 and cyclic annular fastener 5
Outer end face between have gap.In the medial surface two sides of elastic bar 71, integral type is connected to a cambered surface plush copper 72 respectively,
Cambered surface groove 52 is provided on the outer ring surface of 51 bottom of conical surface guide post, 51 overhead elastic bar 71 of conical surface guide post is swollen outward
When tightly in snaps into position hole 6,72 interworking of cambered surface plush copper is connected in cambered surface groove 52.It is corresponding cyclic annular anti-between elastic bar 71
Integral type is connected to fan-shaped boss 53 to off card button 5 radially inward, in 71 side wall surface of elastic bar and corresponding fan-shaped boss 53
The clamp 8 and grab 9 of interworking are had between side wall surface, 8 integral type of clamp is connected on elastic bar 71, the connection of 9 integral type of grab
On fan-shaped boss 53,8 interworking of clamp is hooked on grab 9.On the inner ring surface close to the snaps into position hole 6 of 1 inner cavity of shell
Embedding shape sealing ring 13, sealing ring 13 is closed to be clamped between 3 outer ring surface of rack and the inner ring surface in snaps into position hole 6.Buckle is fixed
5 edge of corresponding cyclic annular fastener extends outward to form several elastic card claws 10 outside the hole 6 of position, corresponding with elastic card claw 10
6 edge of snaps into position hole has circular orientation boss 11, and elastic card claw 10 is hooked on circular orientation boss 11.
Specific embodiment described herein is only to give an example to design of the invention.Technology belonging to the present invention
The technical staff in field can make various modifications or additions to the described embodiments or by a similar method
Substitution, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of gear adjuster of the self-locking buckle structure of band, including cover equipped with the lamp body (2) and rack (3) in shell (1), tooth
The inner end of wheel bar (3) is meshed by head gear (4) with the transmission gear (12) on lamp body (2), it is characterised in that: the tooth
The outboard end of wheel bar (3) passes through cyclic annular fastener (5) through being fixed on the snaps into position hole (6) of shell (1), cyclic annular anti-
The mesoporous interpolation of off card button (5) then latches the one end of (7), elastic bar (71) is equipped on lock (7), with elastic bar
(71) conical surface guide post (51) are equipped in corresponding cyclic annular fastener (5), lock (7) is inserted into cyclic annular fastener (5) mesoporous
When, conical surface guide post (51) overhead elastic bar (71) passes outwards through cyclic annular fastener (5) side wall and swelling is fixed on buckle
In location hole (6).
2. a kind of gear adjuster of the self-locking buckle structure of band according to claim 1, it is characterised in that: in the elastic rib
Integral type is connected to cambered surface plush copper (72) on the medial surface of item (71), and it is recessed that cambered surface is equipped on the outer ring surface of conical surface guide post (51)
Slot (52), swelling is when snaps into position hole (6) are interior outward for conical surface guide post (51) overhead elastic bar (71), cambered surface plush copper (72)
Interworking is connected in cambered surface groove (52).
3. a kind of gear adjuster of the self-locking buckle structure of band according to claim 1, it is characterised in that: in the elastic rib
Integral type is connected to two cambered surface plush coppers (72) on the medial surface of item (71), and two cambered surface plush coppers (72) are respectively close to elastic rib
Item (71) side edge.
4. a kind of gear adjuster of the self-locking buckle structure of band according to claim 1, it is characterised in that: in the lock
(7) at least provided with two elastic bars (71) on, and elastic bar (71) is equidistantly distributed in same circumferencial direction.
5. a kind of gear adjuster of the self-locking buckle structure of band according to claim 1, it is characterised in that: the elastic bar
(71) the outer ring surface interworking of medial surface and conical surface guide post (51), lateral surface and snaps into position hole (6) of elastic bar (71)
Inner ring surface interworking, and it is fixed in the lateral surface of elastic bar (71) by several axial ribs tooth socket (73) interworkings to be connected to buckle
In the corresponding axial hole tooth socket (61) of position hole (6) inner ring surface.
6. a kind of gear adjuster of the self-locking buckle structure of band according to claim 1, it is characterised in that: with the elastic rib
The corresponding cyclic annular fan-shaped boss (53) of the radially inwardly extending formation of fastener (5) in item (71) side, in elastic bar (71)
The clamp (8) and grab (9) of interworking are equipped between side wall surface and corresponding fan-shaped boss (53) side wall surface, clamp (8) is hooked on card
On hook (9).
7. a kind of gear adjuster of the self-locking buckle structure of band according to claim 1, it is characterised in that: the snaps into position
Corresponding cyclic annular fastener (5) edge extends outward to form several elastic card claws (10) outside hole (6), with elastic card claw (10)
Corresponding snaps into position hole (6) edge is equipped with circular orientation boss (11), and elastic card claw (10) is hooked on circular orientation boss
(11) on.
8. a kind of gear adjuster of the self-locking buckle structure of band according to claim 1, it is characterised in that: the elastic bar
(71) integrated coaxial is connected to the medial surface of outer cover ring (74), corresponding outer cover ring (74) inside on the outside of elastic bar (71)
Face is equipped with several positioning plush coppers (75), and several positioning deep gouges (54), positioning are equipped on the outer end face of cyclic annular fastener (5)
Plush copper (75) interworking is plugged in corresponding positioning deep gouge (54).
9. a kind of gear adjuster of the self-locking buckle structure of band according to claim 8, it is characterised in that: the outer cover ring
(74) external port edge two sides extend to form dismounting fishplate bar (76) horizontally outward.
10. a kind of gear adjuster of the self-locking buckle structure of band according to claim 1, it is characterised in that: in the gear
Sealing ring (13) are folded between bar (3) and the inner ring surface of corresponding snaps into position hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811646307.3A CN109764307A (en) | 2018-12-29 | 2018-12-29 | A kind of gear adjuster of the self-locking buckle structure of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811646307.3A CN109764307A (en) | 2018-12-29 | 2018-12-29 | A kind of gear adjuster of the self-locking buckle structure of band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109764307A true CN109764307A (en) | 2019-05-17 |
Family
ID=66453392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811646307.3A Pending CN109764307A (en) | 2018-12-29 | 2018-12-29 | A kind of gear adjuster of the self-locking buckle structure of band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109764307A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232580A (en) * | 2021-06-09 | 2021-08-10 | 江苏大学 | Control system of self-adaptive car lamp |
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| CN101734193A (en) * | 2009-12-21 | 2010-06-16 | 海洋王照明科技股份有限公司 | Vehicle light direction adjusting and locking device and vehicle light |
| EP2631120A1 (en) * | 2012-02-22 | 2013-08-28 | Zizala Lichtsysteme GmbH | Externally locking adjustment shaft for adjusting a vehicle headlight |
| CN103998950A (en) * | 2011-11-24 | 2014-08-20 | 克诺尔商用车制动***有限公司 | Adjustable holding device for sensors |
| CN105135319A (en) * | 2015-09-15 | 2015-12-09 | 江苏文光车辆附件有限公司 | Lamp anti-disengagement light dimming mechanism capable of achieving inner and outer combined assembling |
| CN106337868A (en) * | 2015-07-07 | 2017-01-18 | 布顿科技有限责任公司 | Light Module Fastening Assembly |
| CN107107810A (en) * | 2015-01-06 | 2017-08-29 | Aml***公司 | The lighting corrector for motor vehicle headlamp with improved locating part |
| CN206983838U (en) * | 2017-07-28 | 2018-02-09 | 河南天海电器有限公司 | A kind of automobile headlamp adjuster for preventing screw mandrel rotary self-locking |
| WO2018171857A1 (en) * | 2017-03-20 | 2018-09-27 | HELLA GmbH & Co. KGaA | Adjustment unit for the beam level of a light unit in a headlight |
| CN208269039U (en) * | 2018-04-28 | 2018-12-21 | 华域视觉科技(上海)有限公司 | A kind of rotary light modulation execution system |
| CN209700508U (en) * | 2018-12-29 | 2019-11-29 | 浙江零跑科技有限公司 | A kind of gear adjuster of the self-locking buckle structure of band |
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2018
- 2018-12-29 CN CN201811646307.3A patent/CN109764307A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734193A (en) * | 2009-12-21 | 2010-06-16 | 海洋王照明科技股份有限公司 | Vehicle light direction adjusting and locking device and vehicle light |
| CN103998950A (en) * | 2011-11-24 | 2014-08-20 | 克诺尔商用车制动***有限公司 | Adjustable holding device for sensors |
| EP2631120A1 (en) * | 2012-02-22 | 2013-08-28 | Zizala Lichtsysteme GmbH | Externally locking adjustment shaft for adjusting a vehicle headlight |
| CN107107810A (en) * | 2015-01-06 | 2017-08-29 | Aml***公司 | The lighting corrector for motor vehicle headlamp with improved locating part |
| CN106337868A (en) * | 2015-07-07 | 2017-01-18 | 布顿科技有限责任公司 | Light Module Fastening Assembly |
| CN105135319A (en) * | 2015-09-15 | 2015-12-09 | 江苏文光车辆附件有限公司 | Lamp anti-disengagement light dimming mechanism capable of achieving inner and outer combined assembling |
| WO2018171857A1 (en) * | 2017-03-20 | 2018-09-27 | HELLA GmbH & Co. KGaA | Adjustment unit for the beam level of a light unit in a headlight |
| CN206983838U (en) * | 2017-07-28 | 2018-02-09 | 河南天海电器有限公司 | A kind of automobile headlamp adjuster for preventing screw mandrel rotary self-locking |
| CN208269039U (en) * | 2018-04-28 | 2018-12-21 | 华域视觉科技(上海)有限公司 | A kind of rotary light modulation execution system |
| CN209700508U (en) * | 2018-12-29 | 2019-11-29 | 浙江零跑科技有限公司 | A kind of gear adjuster of the self-locking buckle structure of band |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232580A (en) * | 2021-06-09 | 2021-08-10 | 江苏大学 | Control system of self-adaptive car lamp |
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| CB02 | Change of applicant information |
Address after: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Applicant after: Zhejiang Zero run Technology Co.,Ltd. Address before: 310051 1st and 6th floors, no.451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province Applicant before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190517 |
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| RJ01 | Rejection of invention patent application after publication |