CN105398417B - A kind of Webbing retractor - Google Patents
A kind of Webbing retractor Download PDFInfo
- Publication number
- CN105398417B CN105398417B CN201510731179.2A CN201510731179A CN105398417B CN 105398417 B CN105398417 B CN 105398417B CN 201510731179 A CN201510731179 A CN 201510731179A CN 105398417 B CN105398417 B CN 105398417B
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- CN
- China
- Prior art keywords
- pawl
- ratchet
- installing plate
- section
- clamp clip
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
- B60R22/36—Belt retractors, e.g. reels self-locking in an emergency
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
- B60R22/36—Belt retractors, e.g. reels self-locking in an emergency
- B60R22/42—Belt retractors, e.g. reels self-locking in an emergency having means for acting directly upon the belt, e.g. by clamping or friction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
The present invention provides a kind of Webbing retractor, it includes installing plate one, installing plate two, ratchet, spool, safety belt, torsional spring, pawl one, pawl two and belt clamping device, ratchet is fixedly connected with spool, ratchet and spool are mounted between the installing plate one and installing plate two, safety belt winding is arranged on spool, spool is provided at both ends with torsional spring, the position that the ratchet is corresponded between installing plate one and installing plate two is provided with pawl one, pawl two and belt clamping device, and when there is emergency braking situation in automobile, cooperate between pawl one and the pawl two, the rotation of common latch ratchet, at the same time, belt clamping device is clamped safety belt.The present invention is used and cooperated between pawl one and pawl two, common latch ratchet, while safety belt is clamped, and improves the lockup capacity of Webbing retractor at the same time from different angles, improves the safety and reliability of running car.
Description
Technical field
It is specially a kind of that there is the Webbing retractor of Dual-locking the present invention relates to technical field of vehicle safety, belong to
In technical field of automobile parts.
Background technology
Safety belt is one of most important passive security measure of automobile, in view of its significant protecting effect, the whole world at present
The equipment of safety belt is formulated and using regulation in existing 29 countries and regions.Functional requirement to coiler is, without using peace
Ribbon winding is got up to be protected by during full band, in use, coiler must not hinder ribbon when wearer makees general activity
Freely secondary contracting, when car body or occupant bear excess acceleration or tilting of car body exceedes to a certain degree, locking ribbon by occupant about
Beam is on the seat.Therefore, the lock ability of safety belt and the reliability of locking how are improved, for the security performance of safety belt
With extremely important effect.Current Webbing retractor generally realizes safety belt using ratchet and spool collective effect
Locking acts on.But at present to ratchet carry out locking device only with single pawl, since automobile is in an emergency
When, tend to great acceleration occur and be subject to great impact force, single pawl locking power is limited, so as to cause
The lockup capacity of the coiler of safety belt is difficult to reach preferable requirement.
Based on above technical problem, the present invention provides a kind of Webbing retractor, once emergency braking situation occurs, lead to
The pawl for the Dual-locking set that cooperates is crossed, i.e., is cooperated between pawl one and pawl two, common latch ratchet, meanwhile,
There is provided belt clamping device, in an emergency situation, while safety belt is clamped, and improves peace at the same time from different angles
The lockup capacity of full Webbing retractor, improves the safety and reliability of running car.
The content of the invention
The object of the present invention is to provide a kind of structure and using simply, rationally, cost is low, and performance is stable, service life length
A kind of Webbing retractor.
To achieve the above object, the present invention adopts the following technical scheme that：A kind of Webbing retractor, it includes installing plate
First, installing plate two, ratchet, spool, safety belt, torsional spring, pawl one, pawl two and belt clamping device, it is characterised in that institute
The ratchet stated is fixedly connected with the spool, the ratchet and spool be mounted on the installing plate one and installing plate two it
Between, safety belt winding is set on said reel, and the spool is provided at both ends with torsional spring, the installing plate one and described
The position that the ratchet is corresponded between installing plate two is provided with pawl one, pawl two and belt clamping device, and works as automobile
When there is emergency braking situation, cooperate between the pawl one and the pawl two, the rotation of common latch ratchet, together
When, the belt clamping device is clamped safety belt.
Further, preferably, pawl one is B-shaped pawl, pawl two is bending pawl, the installing plate one and peace
Multiple supported holes are both provided with loading board two, is provided with and is across between the installing plate one and installing plate two in the supported hole
Support shaft one and support shaft two, the position that the ratchet is corresponded in the support shaft one is rotatably provided with the B-shaped
Pawl, the position that the ratchet is corresponded in the support shaft two is rotatably provided with bending pawl, and the support shaft one is set
Put one end away from ratchet on the lower section of the support shaft two, the B-shaped pawl and be connected with lower pull rod, it is described curved
The one end of folding pawl away from ratchet is connected with upper connecting rod, and pawl ejection cylinder is used between the lower pull rod and the upper connecting rod
Connection, the pawl ejection cylinder interior are provided with space ring, and the pawl ejection cylinder is divided into one He of closed chamber by the space ring
Closed chamber two, what the end of the upper connecting rod was slidably stretched into the form of piston is arranged in the closed chamber one, described
The end of lower pull rod is slidably being arranged in the closed chamber two of stretching into equally in the form of piston, one He of closed chamber
Gas aspirator is connected between closed chamber two, when the gas aspirator starts, the gas in the closed chamber one is drained into
The closed chamber two, thus be the upper connecting rod and the lower pull rod are moved along identical direction so that the second
Font pawl and bending pawl are rotated to ratchet direction jointly, coordinate latch ratchet jointly.
Further, preferably, being provided with mounting hole on the ratchet, the ratchet is connected by mounting hole and axis pin
Set on said reel.
Further, preferably, being additionally provided with support shaft three between the installing plate one and installing plate two, the support shaft
It is fixedly installed clamp clip support plate on three, the side in the clamp clip support plate close to installing plate two is provided with clamp clip branch
Fagging fixed column, the insertion of clamp clip support plate fixed column 19 are fixed on the installing plate two, the clamp clip branch
The end set of fagging fixes to clamp piece and mobile clamp clip, and the safety belt is arranged on the piece that fixes to clamp and is pressed from both sides with mobile
Between tight piece, clamping cylinder is additionally provided with the clamp clip support plate, the piston rod of the clamping cylinder, which is fixedly connected, is arranged on institute
State on mobile clamp clip, gas generator is provided with and communicated with the clamping cylinder.
Further, preferably, described fix to clamp is provided with clamping on the piece face opposite with the mobile clamp clip and rubs
Wipe raised, the mobile clamp clip fixes to clamp that to be also equipped with grip friction on the opposite face of piece raised with described.
Further, preferably, the surface of grip friction protrusion is coarse abrasion-proof structure.
Further, preferably, the bending pawl includes upper locking tip section, middle linkage section and upper force section, its
In, one end of the upper locking tip section is the tip for coordinating locking with the ratchet, the other end at the upper locking tip with
One end connection of the middle linkage section, the other end connection of the middle linkage section are arranged on one end of the upper force section
On, the other end of the upper force section is hingedly arranged on the upper connecting rod using axis pin.
Further, preferably, the B-shaped pawl includes lower locking tip section, arc linkage section and lower force section,
Wherein, one end of the lower locking tip section be with the ratchet coordinate locking tip, the other end at the lower locking tip
It is connected with one end of the arc linkage section, the other end connection of the arc linkage section is arranged on one end of the lower force section
On, the other end of the lower force section is hingedly arranged on the lower pull rod using axis pin.
Further, preferably, being spatially additionally provided with dust cover between the installing plate one and the installing plate two,
Locking controller is further included, the locking controller is connected with the gas aspirator and gas generator.
The beneficial effects of the present invention are：
A kind of Webbing retractor provided by the invention, once emergency braking situation occurs, by cooperating what is set
Cooperate between the pawl of Dual-locking, i.e. pawl one and pawl two, common latch ratchet, meanwhile, there is provided safety belt clamping
Device, in an emergency situation, while is clamped safety belt, improves the locking of Webbing retractor at the same time from different angles
Ability, improves the safety and reliability of running car.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of Webbing retractor of the present invention；
Fig. 2 is a kind of another angled arrangement schematic diagram of Webbing retractor of the present invention；
Fig. 3 is a kind of pawl work attachment structure schematic diagram of Webbing retractor of the present invention；
Wherein, 1, installing plate one, 2, installing plate two, 3, ratchet, 4, spool, 5, safety belt, 6, ratchet mounting hole, 7, turn round
Spring, 8, support shaft one, 9, support shaft two, 10, supported hole, 11, B-shaped pawl, 12, bending pawl, 13, support shaft three, 14,
Fix to clamp piece, 15, mobile clamp clip, 16, pawl ejection cylinder, 17, gas aspirator, 18, clamp clip support plate, 19, clamp
Piece support plate fixed column, 20, clamping cylinder, 21, grip friction it is raised, 22, upper connecting rod, 23, lower pull rod, 24, closed chamber one, 25,
Closed chamber two, 26, space ring.
Embodiment
Come to carry out the present invention detailed description below in conjunction with attached drawing.It should be appreciated, however, that attached drawing has been provided only more
Understand the present invention well, they should not be interpreted as limitation of the present invention.
As shown in Figure 1, the present invention provides a kind of Webbing retractor, it include installing plate 1, installing plate 22, ratchet 3,
Spool 4, safety belt 5, torsional spring 7, pawl one, pawl two and belt clamping device, ratchet 3 are fixedly connected with the spool 4, institute
State ratchet 3 and spool 4 is mounted between the installing plate 1 and installing plate 22, the winding of safety belt 5 is arranged on institute
State on spool 4, the spool 4 is provided at both ends with torsional spring 7, between the installing plate 1 and the installing plate 22 described in correspondence
The position of ratchet 3 is provided with pawl one, pawl two and belt clamping device, and when emergency braking situation occurs in automobile,
Cooperate between the pawl one and the pawl two, the rotation of common latch ratchet, meanwhile, the belt clamping device
Safety belt is clamped.
In the present embodiment, as shown in Figs. 1-3, pawl one is B-shaped pawl 11, and pawl two is bending pawl 12, described
Multiple supported holes 10 are both provided with installing plate 1 and installing plate 22, is provided with the supported hole 10 and is across the installation
Support shaft 1 and support shaft 29 between plate 1 and installing plate 22, the position of the ratchet 3 is corresponded in the support shaft 1
The B-shaped pawl 11 is rotatably provided with, the position that the ratchet 3 is corresponded in the support shaft 29 is rotatably set
There is bending pawl 12, and the support shaft 1 is arranged on the lower section of the support shaft 29, it is remote on the B-shaped pawl 11
One end of ratchet 2 is connected with lower pull rod 23, and the described one end of bending pawl 12 away from ratchet 3 is connected with upper connecting rod
22, connected using pawl ejection cylinder 16 between the lower pull rod 23 and the upper connecting rod 22, set inside the pawl ejection cylinder 16
Be equipped with space ring 26, the space ring 26 divides the pawl ejection cylinder 16 for closed chamber 1 and closed chamber 2 25, it is described on
What the end of pull rod 22 was slidably stretched into the form of piston is arranged in the closed chamber 1, the end of the lower pull rod 23
Portion is slidably being arranged in the closed chamber 2 25 of stretching into equally in the form of piston, the closed chamber 1 and closed chamber
Gas aspirator 17 is connected between 2 25, when the gas aspirator 17 starts, the gas in the closed chamber 1 is arranged
To the closed chamber 2 25, thus be the upper connecting rod 22 and the lower pull rod 23 are moved along identical direction so that
Obtain the B-shaped pawl 11 and bending pawl 12 is rotated to ratchet direction jointly, coordinate latch ratchet jointly.
Meanwhile mounting hole 6 is provided with the ratchet 3, the ratchet 3 is arranged on by mounting hole 6 and axis pin connection
On the spool 4.Support shaft 3 13 is additionally provided between the installing plate 1 and installing plate 22, is consolidated in the support shaft 3 13
Surely it is provided with clamp clip support plate 18, the side in the clamp clip support plate 18 close to installing plate 2 13 is provided with clamp clip branch
Fagging fixed column 19, the insertion of clamp clip support plate fixed column 19 are fixed on the installing plate 22, the clamp clip
The end set of support plate 18 fixes to clamp piece 14 and mobile clamp clip 15, and the safety belt 5 is arranged on described fix to clamp
Between piece 14 and mobile clamp clip 15, clamping cylinder 20, the work of the clamping cylinder 20 are additionally provided with the clamp clip support plate 18
Stopper rod, which is fixedly connected, to be arranged on the mobile clamp clip 15, and gas generator is provided with and communicated with the clamping cylinder 20.
It is described to fix to clamp on the face opposite with the mobile clamp clip 15 of piece 14 in order to improve the clamping force to safety belt
It is provided with grip friction protrusion 21, the mobile clamp clip 15 is also equipped with clamping with described fix to clamp on the opposite face of piece 14
Friction protrusion 21.Wherein, the surface of the grip friction protrusion 21 is coarse abrasion-proof structure.
In the present embodiment, the bending pawl 12 includes upper locking tip section, middle linkage section and upper force section, its
In, one end of the upper locking tip section is the tip for coordinating locking with the ratchet, the other end at the upper locking tip with
One end connection of the middle linkage section, the other end connection of the middle linkage section are arranged on one end of the upper force section
On, the other end of the upper force section is hingedly arranged on the upper connecting rod using axis pin.Similarly, B-shaped pawl includes lower lock
Only tip section, arc linkage section and lower force section, wherein, one end of the lower locking tip section is to coordinate locking with the ratchet
Tip, the other end at the lower locking tip is connected with one end of the arc linkage section, the arc linkage section it is another
End connection is arranged on it is described it is lower force section one end on, it is described it is lower force section the other end using axis pin be hingedly arranged on it is described under
On pull rod.
Dust cover (not shown) is spatially additionally provided between the installing plate 1 and the installing plate 22, also
Including locking controller, the locking controller is connected with the gas aspirator and gas generator.
A kind of Webbing retractor provided by the invention, in automobile when emergency braking situation occurs, passes through phase interworking
The pawl of the Dual-locking set is closed, i.e., is cooperated between pawl one and pawl two, common latch ratchet, meanwhile, there is provided peace
Full band clamping device, in an emergency situation, while is clamped safety belt, improves safety belt retracting at the same time from different angles
The lockup capacity of device, improves the safety and reliability of running car.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, in relation to the common of technical field
Technical staff, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore all
Equivalent technical solution falls within scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (8)
1. a kind of Webbing retractor, it include installing plate one, installing plate two, ratchet, spool, safety belt, torsional spring, pawl one,
Pawl two and belt clamping device, it is characterised in that the ratchet is fixedly connected with the spool, the ratchet and spool
It is mounted between the installing plate one and installing plate two, the safety belt winding is set on said reel, the spool
Be provided at both ends with torsional spring, the position that the ratchet is corresponded between the installing plate one and the installing plate two is provided with pawl
First, pawl two and belt clamping device, and when emergency braking situation occurs in automobile, the pawl one and the pawl two
Between cooperate, the rotation of common latch ratchet, meanwhile, the belt clamping device is clamped safety belt；Pawl
One is B-shaped pawl, and pawl two is bending pawl, and multiple supported holes, institute are both provided with the installing plate one and installing plate two
State the support shaft one and support shaft two for being provided with and being across between the installing plate one and installing plate two in supported hole, the support
The position that the ratchet is corresponded on axis one is rotatably provided with the B-shaped pawl, and the spine is corresponded in the support shaft two
The position of wheel is rotatably provided with bending pawl, and the support shaft one is arranged on the lower section of the support shaft two, the second
One end away from ratchet is connected with lower pull rod on font pawl, and the described one end of bending pawl away from ratchet is connected with
Upper connecting rod, is connected between the lower pull rod and the upper connecting rod using pawl ejection cylinder, and the pawl ejection cylinder interior is provided with
The pawl ejection cylinder is divided into closed chamber one and closed chamber two by space ring, the space ring, and the end of the upper connecting rod is with work
What the form of plug slidably stretched into is arranged in the closed chamber one, and the end of the lower pull rod can equally in the form of piston
Slip is arranged in the closed chamber two with stretching into, and gas aspirator, institute are connected between the closed chamber one and closed chamber two
When stating the startup of gas aspirator, the gas in the closed chamber one is drained into the closed chamber two, so that the upper connecting rod
Moved with the lower pull rod along identical direction, so that the B-shaped pawl and bending pawl are jointly to ratchet direction
Rotate, coordinate latch ratchet jointly.
A kind of 2. Webbing retractor according to claim 1, it is characterised in that mounting hole is provided with the ratchet,
The ratchet is set on said reel by mounting hole and axis pin connection.
A kind of 3. Webbing retractor according to claim 1, it is characterised in that the installing plate one and installing plate two it
Between be additionally provided with support shaft three, clamp clip support plate is fixedly installed in the support shaft three, is leaned in the clamp clip support plate
The side of nearly installing plate two is provided with clamp clip support plate fixed column, and the clamp clip support plate fixed column is inserted and fixed setting
On the installing plate two, the end set of the clamp clip support plate fixes to clamp piece and mobile clamp clip, the safety
Band is fixed to clamp between piece and mobile clamp clip described in being arranged on, and clamping cylinder is additionally provided with the clamp clip support plate, described
The piston rod of clamping cylinder, which is fixedly connected, to be arranged on the mobile clamp clip, and gas is provided with and communicated with the clamping cylinder
Device.
4. a kind of Webbing retractor according to claim 3, it is characterised in that described to fix to clamp piece and the movement
Grip friction protrusion is provided with the opposite face of clamp clip, the mobile clamp clip is fixed to clamp on the opposite face of piece with described
It is provided with grip friction protrusion.
5. a kind of Webbing retractor according to claim 4, it is characterised in that the surface of the grip friction protrusion is
Coarse abrasion-proof structure.
6. a kind of Webbing retractor according to claim 1, it is characterised in that the bending pawl includes upper locking point
Section, middle linkage section and upper force section are held, wherein, one end of the upper locking tip section is the point for coordinating locking with the ratchet
End, the other end at the upper locking tip and one end of the middle linkage section connect, and the other end of the middle linkage section connects
Connect and be arranged on one end of the upper force section, the other end of the upper force section is hingedly arranged on the upper connecting rod using axis pin
On.
7. a kind of Webbing retractor according to claim 1, it is characterised in that the B-shaped pawl includes lower locking
Tip section, arc linkage section and lower force section, wherein, one end of the lower locking tip section is to coordinate locking with the ratchet
Tip, the other end at the lower locking tip are connected with one end of the arc linkage section, the other end of the arc linkage section
Connection is arranged on one end of the lower force section, and the other end of the lower force section is hingedly arranged on the drop-down using axis pin
On bar.
8. a kind of Webbing retractor according to claim 3, it is characterised in that the installing plate one and the installing plate
Dust cover is spatially additionally provided between two, further includes locking controller, the locking controller and the gas aspirator
Connected with gas generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510731179.2A CN105398417B (en) | 2015-10-29 | 2015-10-29 | A kind of Webbing retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510731179.2A CN105398417B (en) | 2015-10-29 | 2015-10-29 | A kind of Webbing retractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105398417A CN105398417A (en) | 2016-03-16 |
| CN105398417B true CN105398417B (en) | 2018-04-20 |
Family
ID=55464283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510731179.2A Active CN105398417B (en) | 2015-10-29 | 2015-10-29 | A kind of Webbing retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105398417B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106890405A (en) * | 2017-04-13 | 2017-06-27 | 苏州市职业大学 | A kind of electric pole operation safety belt |
| CN113415382B (en) * | 2021-07-20 | 2024-10-29 | 南京中船绿洲机器有限公司 | Double-pawl co-locking device of anchor winch drum |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033608A (en) * | 1987-09-16 | 1989-07-05 | 奥洛利夫-科尔夫股份有限公司 | The belt clamping apparatus that the belt placement system of belt coiler is arranged |
| CN1100043A (en) * | 1993-09-10 | 1995-03-15 | 高田株式会社 | Seat belt retractor |
| CN1100044A (en) * | 1993-06-01 | 1995-03-15 | Trw莱帕有限公司 | Seat belt retractor |
| CN1145605A (en) * | 1995-01-19 | 1997-03-19 | Trw乘员约束系统公司 | Transport safety system on a belt winding unit |
| US5887814A (en) * | 1996-10-17 | 1999-03-30 | Nsk Ltd. | Seat belt retractor and controlling method of the same |
| CN1680150A (en) * | 2004-04-09 | 2005-10-12 | 株式会社东海理化电机制作所 | Webbing retractor |
| CN101306676A (en) * | 2007-05-18 | 2008-11-19 | 德尔斐韩国株式会社 | Seat belt retractor |
-
2015
- 2015-10-29 CN CN201510731179.2A patent/CN105398417B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033608A (en) * | 1987-09-16 | 1989-07-05 | 奥洛利夫-科尔夫股份有限公司 | The belt clamping apparatus that the belt placement system of belt coiler is arranged |
| CN1100044A (en) * | 1993-06-01 | 1995-03-15 | Trw莱帕有限公司 | Seat belt retractor |
| CN1100043A (en) * | 1993-09-10 | 1995-03-15 | 高田株式会社 | Seat belt retractor |
| CN1145605A (en) * | 1995-01-19 | 1997-03-19 | Trw乘员约束系统公司 | Transport safety system on a belt winding unit |
| US5887814A (en) * | 1996-10-17 | 1999-03-30 | Nsk Ltd. | Seat belt retractor and controlling method of the same |
| CN1680150A (en) * | 2004-04-09 | 2005-10-12 | 株式会社东海理化电机制作所 | Webbing retractor |
| CN101306676A (en) * | 2007-05-18 | 2008-11-19 | 德尔斐韩国株式会社 | Seat belt retractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105398417A (en) | 2016-03-16 |
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Effective date of registration: 20210104 Address after: 313000 room 1020, science and Technology Pioneer Park, 666 Chaoyang Road, Nanxun Town, Nanxun District, Huzhou, Zhejiang. Patentee after: Huzhou You Yan Intellectual Property Service Co.,Ltd. Address before: 065000 AI min Dong Road, Langfang, Hebei Province, No. 133 Patentee before: NORTH CHINA INSTITUTE OF AEROSPACE ENGINEERING |
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Effective date of registration: 20210127 Address after: 333000 6-8 Hangkong Road, Zhushan District, Jingdezhen City, Jiangxi Province Patentee after: Jiangxi weikesaifu Aviation Technology Co., Ltd Address before: 313000 room 1020, science and Technology Pioneer Park, 666 Chaoyang Road, Nanxun Town, Nanxun District, Huzhou, Zhejiang. Patentee before: Huzhou You Yan Intellectual Property Service Co.,Ltd. |
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