CN202641431U - Adjustable mechanism for upper part of chair backrest - Google Patents
Adjustable mechanism for upper part of chair backrest Download PDFInfo
- Publication number
- CN202641431U CN202641431U CN 201220309717 CN201220309717U CN202641431U CN 202641431 U CN202641431 U CN 202641431U CN 201220309717 CN201220309717 CN 201220309717 CN 201220309717 U CN201220309717 U CN 201220309717U CN 202641431 U CN202641431 U CN 202641431U
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- China
- Prior art keywords
- locking
- backrest connecting
- pin
- connecting panel
- tooth plate
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- Expired - Lifetime
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Seats For Vehicles (AREA)
Abstract
The utility model discloses an adjustable mechanism for the upper part of a chair backrest. The adjustable mechanism comprises a backrest connecting plate, a hood body, a reposition coil spring, a locking toothed plate, a locking toothed reposition coil spring and a cam, wherein the backrest connecting plate is connected with an upper assembly of the chair backrest, and a sector-shaped tooth is arranged at the bottom of the backrest connecting plate; the hood body is hinged with the backrest connecting plate via a backrest connecting plate pin, and the backrest connecting plate reposition coil spring is wound on the backrest connecting plate pin; the locking toothed plate is mounted in the hood body via a locking toothed plate pin; the locking toothed plate reposition coil spring is wound on the locking toothed plate pin; the cam is mounted in the hood body via a cam pin and is provided with a locking and unlocking part, and the locking and unlocking part is switched between the locking convex part and the unlocking face of the locking toothed plate; when the locking and unlocking part is meshed with the locking convex part of the locking toothed plate, a looking tooth on the locking toothed plate is meshed with the sector-shaped tooth at the bottom of the backrest connecting plate, and the backrest connecting plate is locked; and when the locking and unlocking part is meshed with the unlocking face of the locking toothed plate, the locking tooth on the locking toothed plate is not meshed with the sector-shaped tooth, and the backrest connecting plate is unlocked.
Description
Technical field
The utility model relates to the seat technical field, particularly back of seat top adjustable mechanism.
Background technology
For the passenger has a more comfortable posture of taking, industry is divided into up and down two joints with original seat integral type backrest, namely can be the passenger by adjusting seat backrest top and headrest angle so a kind of more rationally comfortable posture of taking is provided.
The mechanism that regulates for backrest top at present is generally multi-connecting-rod mechanism or electric angle-adjuster regulating mechanism, adjusts backrest upper end and headrest angle purpose thereby make the backrest upper end a bit rotate to reach round certain by motor-driven.It is larger that the multi-connecting-rod mechanism complicated structure causes mechanism to take up room, and difficulty is installed by mechanism, and the electric angle-adjuster overall dimensions are larger, are not easy to realize limited upper space layout, and utilization is limited in scope.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of more simple back of seat top adjustable mechanism for existing multi-connecting-rod mechanism or the existing problem of electric angle-adjuster regulating mechanism, the demand of regulating to satisfy back of seat top.
Technical problem to be solved in the utility model can be achieved through the following technical solutions:
Back of seat top adjustable mechanism comprises:
The one backrest connecting panel that is connected with back of seat top assembly, the bottom of described backrest connecting panel is provided with sector;
One by the hinged cover body of backrest connecting panel pin and described backrest connecting panel, described cover body is captiveed joint with the backrest connecting lateral plate, wherein said backrest connecting panel pin is captiveed joint with described backrest connecting panel, turns round between described backrest connecting panel pin and the described cover body to be connected;
One is wound on backrest connecting panel on the described backrest connecting panel pin wind spring that resets, and described backrest connecting panel wind spring one end that resets is captiveed joint with described backrest connecting panel pin, and the described cover body of the other end connects;
One is installed in locking tooth plate in the described cover body by locking tooth plate pin, captives joint between wherein said locking tooth plate pin and the described locking tooth plate, turns round between described locking tooth plate pin and the described cover body to be connected; The plate face of described locking tooth plate roughly is made of the first plate body and the second plate body that connects that form an angle, wherein the forward position is provided with the lock tooth that the sector bottom described backrest connecting panel meshes on the first plate body, be provided with outstanding locking protuberance downwards along midway location under the first plate body, the inner edge of the second plate body consists of one and separates locking face;
One is wound on locking tooth plate on the described locking tooth plate pin wind spring that resets, and described locking tooth plate wind spring one end that resets is captiveed joint with described locking tooth plate pin, and the described cover body of the other end connects;
One is installed in cam in the described cover body by cam pin, captives joint between wherein said cam pin and the described cam, turns round between described cam pin and the described cover body to be connected; Have on the described cam one can around the rotating locking of described cam pin with separate the lock section, this locking with separate the lock section and between the locking protuberance of described locking tooth plate and solution locking face, switch; When the locking protuberance interlock on locking and solution lock section and the locking tooth plate, the sector engagement of the lock tooth on the described locking tooth plate and described backrest connecting panel bottom, the backrest connecting panel is by locking; When the solution locking face interlock on locking and solution lock section and the locking tooth plate, the sector of the lock tooth on the described locking tooth plate and described backrest connecting panel bottom breaks away from engagement, and the backrest connecting panel is unlocked;
One is wound on cam on the described cam pin wind spring that resets, and described cam wind spring one end that resets is captiveed joint with described cam pin, and the described cover body of the other end connects;
One is arranged on the drive element on the described cam pin.
In a preferred embodiment of the present utility model, described drive element is an operating handle.
In a preferred embodiment of the present utility model, described drive element comprises unlocking board and a wire harness, and described unlocking board is captiveed joint with described cam pin, and described wire harness is connected with described unlocking board.
In a preferred embodiment of the present utility model, described cover body comprises lock front cover and lock rear cover, described lock front cover and lock rear cover all are fixed on the described backrest connecting lateral plate, described backrest connecting panel pin, locking tooth plate pin, cam pin two end axles are located on described lock front cover and the lock rear cover, and described backrest connecting panel bottom, locking tooth plate and cam are provided with between described lock front cover and the lock rear cover; Described backrest connecting panel wind spring, locking tooth plate wind spring and the cam wind spring that resets that resets that resets is arranged on the lock front cover outside.
In order to limit back of seat top assembly flip angle, be provided with a locating dowel pin at described backrest connecting panel, be provided with a position-limited trough at described lock rear cover, the end of described locating dowel pin extends in the described position-limited trough, rotates in the angle of described position-limited trough defined to limit described backrest connecting panel.
Angle α between described the first plate body and the second plate body is 100～120 °.
In a preferred embodiment of the present utility model, the width between centers H between described locking tooth plate pin and the described cam pin is 15～30mm.
In a preferred embodiment of the present utility model, described locking and to separate lock section handoff angle β between the locking protuberance of described locking tooth plate and solution locking face be 30～50 °.
Owing to having adopted technical scheme as above, the utility model satisfies back of seat top assembly by a kind of more simple mechanism to be regulated, it is compared with existing existing multi-connecting-rod mechanism or electric angle-adjuster regulating mechanism, has following advantage: 1. realize backrest top assembly diverse location manual regulation; 2. compact conformation, easily layout is saved the space; 3. realize mechanism module, increase commonality, reliability, it is convenient to install; 4. reduce number of parts, reduce cost.
Description of drawings
Fig. 1 be the utility model back of seat top adjustable mechanism with back of seat top assembly, backrest connecting lateral plate between the exploded perspective view that is connected.
Fig. 2 is the I place enlarged diagram of Fig. 1.
Fig. 3 is the scheme of installation between the utility model back of seat top adjustable mechanism and the backrest connecting lateral plate.
Fig. 4 is the exploded perspective view of the utility model back of seat top adjustable mechanism.
Fig. 5 is the cooperation schematic diagram between locating dowel pin of the present utility model and the position-limited trough.
Fig. 6 is the position relationship schematic diagram between backrest connecting panel of the present utility model, locking tooth plate and the cam.
Fig. 7 is the utility model backrest connecting panel when being in the first end position, and the sector of backrest connecting panel bottom and the locking tooth on the locking tooth plate mesh each other, and the locking tooth plate is by the view of cam-locked simultaneously.
Fig. 8 is the utility model backrest connecting panel when being in the first end position, the view when cam prepares that the locking tooth plate carried out release.
Fig. 9 is that the utility model cam forces the sector of locking tooth on the locking tooth plate and backrest connecting panel bottom to break away from engagement, and the backrest connecting panel is turn to the view of the second end position by the first end position.
Figure 10 is the utility model backrest connecting panel when being in the second end position, and the sector of backrest connecting panel bottom and the locking tooth on the locking tooth plate mesh each other, and the locking tooth plate is by the view of cam-locked simultaneously.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth embodiment of the present utility model.
Referring to Fig. 1 to Fig. 4, provide back of seat top adjustable mechanism among the figure, comprise a backrest connecting panel 100, the top of this backrest connecting panel 100 is fixed on the connecting panel 210 of back of seat top assembly 200 by two bolts 110.The bottom of backrest connecting panel 100 is provided with sector 120.
The cover body 300 of this back of seat top adjustable mechanism is made of lock front cover 310 and lock rear cover 320, lock front cover 310 is fixed on the backrest connecting lateral plate 220 by three bolts 330, lock rear cover 320 is stuck on the lock front cover 310, has certain gap between lock front cover 310 and the lock rear cover 320, in order to bottom, locking tooth plate 400 and the cam 500 that backrest connecting panel 100 is installed.
The bottom of backrest connecting panel 100 is hinged between lock front cover 310 and the lock rear cover 320 by a backrest connecting panel pin 130, backrest connecting panel pin 130 is captiveed joint with backrest connecting panel 100, and backrest connecting panel pin 130 turns round between the rear cover 320 with lock front cover 310 and lock and is connected.Be wound with the backrest connecting panel wind spring 140 that resets at backrest connecting panel pin 130, the backrest connecting panel wind spring 140 that resets is positioned at the outside of lock front cover 310, and the one end is captiveed joint with backrest connecting panel pin 130, the other end with lock front cover 310 and be connected.
Locking tooth plate 400 is hinged between lock front cover 310 and the lock rear cover 320 by locking tooth plate pin 410, captives joint between locking tooth plate pin 410 and the locking tooth plate 400, and with lock front cover 310 with lock to turn round between the rear cover 320 and be connected.
Referring to Fig. 6, the plate face of locking tooth plate 400 is made of the plate body 430,440 that the α that forms an angle connects, and this angle α is roughly 100～120 °, and reasonable is 110 °.The forward position is provided with the lock tooth 431 with sector 120 engagement of backrest connecting panel 100 bottoms on plate body 430, and the inner edge that is provided with outstanding locking protuberance 432, the second plate bodys 440 downwards along midway location plate body 430 times consists of one and separates locking face 441.
Be wound with the locking tooth plate wind spring 420 that resets at locking tooth plate pin 410, the locking tooth plate wind spring 420 that resets is positioned at the outside of lock front cover, and the one end is captiveed joint with locking tooth plate pin 410, the other end with lock front cover and be connected.
Cam 500 is hinged between lock front cover and the lock rear cover 320 by cam pin 510, captives joint between cam pin 510 and the cam 500, and with the lock front cover with lock to turn round between the back cover 320 and be connected.
Width between centers H between cam pin 510 and the locking tooth plate pin 410 is 15～30mm.Relatively good is 20mm.
Referring to Fig. 6, have on the cam 500 one can around cam pin 510 rotating lockings with separate lock section 520, this locking with separate lock section 520 in switching between the locking protuberance 432 of locking tooth plate 400 and the solution locking face 441.The angle beta that switches is 30～50 °.
Referring to Fig. 7 to Figure 10, when locking protuberance 432 interlock on locking and solution lock section 520 and the locking tooth plate 400, the lock tooth 431 on the locking tooth plate 400 and 120 engagements of the sector of backrest connecting panel 100 bottoms, backrest connecting panel 100 is by locking; When solution locking face 441 interlock on locking and solution lock section 520 and the locking tooth plate 400, the lock tooth 431 on the locking tooth plate 400 meshes with 120 disengagings of the sector of backrest connecting panel 100 bottoms, and backrest connecting panel 100 is unlocked.
Be wound with the cam wind spring 530 that resets at cam pin 510, the cam wind spring 530 that resets is positioned at the outside of lock front cover 310, and the one end is captiveed joint with cam pin 510, the other end with lock front cover 310 and be connected.
Above-mentioned cam 500 has two kinds of type of drive, and a kind of type of drive is to drive by the operating handle 600 that is connected to cam pin 510 1 ends.Another kind of mode is to drive by the unlocking board 710 that is installed in cam pin 510 other ends and the wire harness 720 that is connected on the unlocking board 710.
Referring to Fig. 5, in order to limit back of seat top assembly flip angle, be provided with a locating dowel pin 150 at backrest connecting panel 100, be provided with a position-limited trough 321 at lock rear cover 320, the end of locating dowel pin 150 extends in the position-limited trough 321, rotates in the angle of position-limited trough 321 defineds with restriction backrest connecting panel 100.
The below describes principle of work of the present utility model in detail take operating handle 600 as driver train as example: referring to Fig. 7, when backrest connecting panel 100 is in the first end position, be that back of seat top assembly 200 and the headrest on it are when being in the most backward the position, at this moment the lock tooth on the locking tooth plate 400 431 meshes with the sector 120 of backrest connecting panel 100 bottoms, locking on the cam 500 and locking protuberance 432 interlocks of separating on lock section 520 and the locking tooth plate 400, the effect of wind spring 530 because cam resets, locking on the cam 500 and solution lock section 520 head on the plate body 430 of locking tooth plate 400, lock tooth 431 on the locking tooth plate 400 tightly meshes with the sector 120 of backrest connecting panel 100 bottoms, can drop out of gear, reach the purpose of locking.
Referring to Fig. 8, operating handle 600 by cam pin 510 with the locking on the moving cam 500 with separate lock section 520 and overcome cam and reset the reset force of wind spring 530 to unlocking direction, namely the locking protuberance 432 by locking tooth plate 400 moves to separating locking face 441 directions, when operating handle 600 turns over certain angle.During such as 30 °, locking leaves the locking protuberance 432 on the locking tooth plate 400 and forwards solution locking face 441 on the locking tooth plate 400 to separating lock section 520, and this moment, mechanism was in the release critical conditions, and device is with release.
Referring to Fig. 9, be rotated further operating handle 600, operating handle 600 continues to rotate around cam pin 510 with the locking on the moving cam 500 and solution lock section 520 by cam pin 510, locking tooth plate 400 is under the locking tooth plate resets the effect of wind spring 420, solution locking face 441 on the locking tooth plate 400 is close to the locking and solution lock section 520 on the cam 500, keep stable, when the locking tooth 431 that locking tooth plate 400 forwards on it is thrown off with the sector 120 of backrest connecting panel 100 bottoms, mechanism's release, after the release, backrest connecting panel 100 can freely rotate, and back of seat top assembly 200 and the headrest on it are adjusted to an optimum position, also can be adjusted to forward facing position.
When back of seat top assembly 200 and the headrest on it were adjusted to forward facing position, backrest connecting panel 100 was in another end position as shown in figure 10.At this moment, unclamp operation handle 600, cam pin 510 is under the reset force effect that cam returning spring 530 produces, rotate counterclockwise from released state, be on the cam 500 locking with separate lock section 520 and go to locking protuberance 432 positions by the solution locking face 441 on the locking tooth plate 400, again with locking tooth plate 400 on 432 interlocks of locking protuberance, jack-up heads on the plate body 430 of locking tooth plate 400, make on the locking tooth plate 400 locking tooth 431 again with sector 120 engagement of backrest connecting panel 100 bottoms, get back to lockup state.
Above demonstration and described groundwork of the present utility model and principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification sheets just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. back of seat top adjustable mechanism is characterized in that, comprising:
The one backrest connecting panel that is connected with back of seat top assembly, the bottom of described backrest connecting panel is provided with sector;
One by the hinged cover body of backrest connecting panel pin and described backrest connecting panel, described cover body is captiveed joint with the backrest connecting lateral plate, wherein said backrest connecting panel pin is captiveed joint with described backrest connecting panel, turns round between described backrest connecting panel pin and the described cover body to be connected;
One is wound on backrest connecting panel on the described backrest connecting panel pin wind spring that resets, and described backrest connecting panel wind spring one end that resets is captiveed joint with described backrest connecting panel pin, and the described cover body of the other end connects;
One is installed in locking tooth plate in the described cover body by locking tooth plate pin, captives joint between wherein said locking tooth plate pin and the described locking tooth plate, turns round between described locking tooth plate pin and the described cover body to be connected; The plate face of described locking tooth plate roughly is made of the first plate body and the second plate body that connects that form an angle, wherein the forward position is provided with the lock tooth that the sector bottom described backrest connecting panel meshes on the first plate body, be provided with outstanding locking protuberance downwards along midway location under the first plate body, the inner edge of the second plate body consists of one and separates locking face;
One is wound on locking tooth plate on the described locking tooth plate pin wind spring that resets, and described locking tooth plate wind spring one end that resets is captiveed joint with described locking tooth plate pin, and the described cover body of the other end connects;
One is installed in cam in the described cover body by cam pin, captives joint between wherein said cam pin and the described cam, turns round between described cam pin and the described cover body to be connected; Have on the described cam one can around the rotating locking of described cam pin with separate the lock section, this locking with separate the lock section and between the locking protuberance of described locking tooth plate and solution locking face, switch; When the locking protuberance interlock on locking and solution lock section and the locking tooth plate, the sector engagement of the lock tooth on the described locking tooth plate and described backrest connecting panel bottom, the backrest connecting panel is by locking; When the solution locking face interlock on locking and solution lock section and the locking tooth plate, the sector of the lock tooth on the described locking tooth plate and described backrest connecting panel bottom breaks away from engagement, and the backrest connecting panel is unlocked;
One is wound on cam on the described cam pin wind spring that resets, and described cam wind spring one end that resets is captiveed joint with described cam pin, and the described cover body of the other end connects;
One is arranged on the drive element on the described cam pin.
2. back of seat as claimed in claim 1 top adjustable mechanism is characterized in that, described drive element is an operating handle.
3. back of seat as claimed in claim 1 top adjustable mechanism is characterized in that, described drive element comprises unlocking board and a wire harness, and described unlocking board is captiveed joint with described cam pin, and described wire harness is connected with described unlocking board.
4. such as the described back of seat of each claim of claims 1 to 3 top adjustable mechanism, it is characterized in that, described cover body comprises lock front cover and lock rear cover, described lock front cover and lock rear cover all are fixed on the described backrest connecting lateral plate, described backrest connecting panel pin, locking tooth plate pin, cam pin two end axles are located on described lock front cover and the lock rear cover, and described backrest connecting panel bottom, locking tooth plate and cam all are arranged between described lock front cover and the lock rear cover; Described backrest connecting panel wind spring, locking tooth plate wind spring and the cam wind spring that resets that resets that resets is arranged on the lock front cover outside.
5. back of seat as claimed in claim 4 top adjustable mechanism, it is characterized in that, be provided with a locating dowel pin at described backrest connecting panel, be provided with a position-limited trough at described lock rear cover, the end of described locating dowel pin extends in the described position-limited trough, rotates in the angle of described position-limited trough defined to limit described backrest connecting panel.
6. back of seat as claimed in claim 1 top adjustable mechanism is characterized in that, the angle α between described the first plate body and the second plate body is 100～120 °.
7. back of seat as claimed in claim 1 top adjustable mechanism is characterized in that, the width between centers H between described locking tooth plate pin and the described cam pin is 15～30mm.
8. back of seat as claimed in claim 1 top adjustable mechanism is characterized in that, described locking and to separate lock section handoff angle β between the locking protuberance of described locking tooth plate and solution locking face be 30～50 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220309717 CN202641431U (en) | 2012-06-28 | 2012-06-28 | Adjustable mechanism for upper part of chair backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220309717 CN202641431U (en) | 2012-06-28 | 2012-06-28 | Adjustable mechanism for upper part of chair backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202641431U true CN202641431U (en) | 2013-01-02 |
Family
ID=47410585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220309717 Expired - Lifetime CN202641431U (en) | 2012-06-28 | 2012-06-28 | Adjustable mechanism for upper part of chair backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202641431U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085330A (en) * | 2014-06-23 | 2014-10-08 | 苏州中航中振汽车饰件有限公司 | Adjustable fixing device for car seat headrest |
| CN105480124A (en) * | 2014-10-03 | 2016-04-13 | 福特全球技术公司 | Manual upper seatback support |
| CN107397369A (en) * | 2016-05-20 | 2017-11-28 | 永艺家具股份有限公司 | A kind of seat tool |
| CN108236240A (en) * | 2018-02-28 | 2018-07-03 | 安吉县大志家具制造有限公司 | A kind of executive chair reclining regulating device |
| CN109501643A (en) * | 2019-01-22 | 2019-03-22 | 江铃汽车股份有限公司 | A kind of novel seat backrest regulating device |
| WO2019105387A1 (en) * | 2017-11-29 | 2019-06-06 | 延锋安道拓座椅有限公司 | Turnover mechanism |
| CN113103933A (en) * | 2021-05-28 | 2021-07-13 | 延锋安道拓座椅有限公司 | Stable folder |
-
2012
- 2012-06-28 CN CN 201220309717 patent/CN202641431U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085330A (en) * | 2014-06-23 | 2014-10-08 | 苏州中航中振汽车饰件有限公司 | Adjustable fixing device for car seat headrest |
| CN105480124A (en) * | 2014-10-03 | 2016-04-13 | 福特全球技术公司 | Manual upper seatback support |
| CN105480124B (en) * | 2014-10-03 | 2019-07-19 | 福特全球技术公司 | Manually top backrest supporting element |
| CN107397369A (en) * | 2016-05-20 | 2017-11-28 | 永艺家具股份有限公司 | A kind of seat tool |
| CN107397369B (en) * | 2016-05-20 | 2023-06-02 | 永艺家具股份有限公司 | Seat tool |
| WO2019105387A1 (en) * | 2017-11-29 | 2019-06-06 | 延锋安道拓座椅有限公司 | Turnover mechanism |
| US11148569B2 (en) | 2017-11-29 | 2021-10-19 | Yanfeng Adient Seating Co. Ltd. | Turnover mechanism |
| CN108236240A (en) * | 2018-02-28 | 2018-07-03 | 安吉县大志家具制造有限公司 | A kind of executive chair reclining regulating device |
| CN108236240B (en) * | 2018-02-28 | 2024-03-29 | 安吉县大志家具制造有限公司 | Executive chair tilting adjusting device |
| CN109501643A (en) * | 2019-01-22 | 2019-03-22 | 江铃汽车股份有限公司 | A kind of novel seat backrest regulating device |
| CN113103933A (en) * | 2021-05-28 | 2021-07-13 | 延锋安道拓座椅有限公司 | Stable folder |
| CN113103933B (en) * | 2021-05-28 | 2022-03-04 | 延锋国际座椅系统有限公司 | Stable folder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 201315 Patentee after: YANFENG ADIENT SEATING Co.,Ltd. Address before: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 201315 Patentee before: SHANGHAI YANFENG JOHNSON CONTROLS SEATING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
|
| CX01 | Expiry of patent term |