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CN101817320A - Chair headrest with neck support function - Google Patents

Chair headrest with neck support function Download PDF

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Publication number
CN101817320A
CN101817320A CN201010120543A CN201010120543A CN101817320A CN 101817320 A CN101817320 A CN 101817320A CN 201010120543 A CN201010120543 A CN 201010120543A CN 201010120543 A CN201010120543 A CN 201010120543A CN 101817320 A CN101817320 A CN 101817320A
Authority
CN
China
Prior art keywords
slide bar
guide pin
pin bushing
neck support
support function
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201010120543A
Other languages
Chinese (zh)
Other versions
CN101817320B (en
Inventor
向志军
张凯
理查德·郑
方德丰
刘俊会
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Controls Automotive Interior Management Management Ltd
Yanfeng Adient Seating Co Ltd
Original Assignee
Shanghai Yanfeng Johnson Controls Seating Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Yanfeng Johnson Controls Seating Co Ltd filed Critical Shanghai Yanfeng Johnson Controls Seating Co Ltd
Priority to CN2010101205439A priority Critical patent/CN101817320B/en
Publication of CN101817320A publication Critical patent/CN101817320A/en
Application granted granted Critical
Publication of CN101817320B publication Critical patent/CN101817320B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/80Head-rests
    • B60N2/806Head-rests movable or adjustable
    • B60N2/865Head-rests movable or adjustable providing a fore-and-aft movement with respect to the occupant's head
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/80Head-rests
    • B60N2/897Head-rests with sleeves located in the back-rest for guiding the rods of the head-rest

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention relates to a chair headrest with neck support function, which comprises a headrest body, a neck support and a neck support adjusting device, wherein the neck support adjusting device comprises a slide bar, a guide sleeve and a metal tube; the guide sleeve and the metal tube are fixed on the headrest body; the guide sleeve is fixed in the metal tube; one end of the slide bar is fixed on the neck support, and the other end is arranged in the guide sleeve; the slide bar is provided with shift grooves and locking grooves; and the guide sleeve is provided with a card which is corresponding to the slide bar and can buckle the locking grooves,. The invention can obviously enhance the neck support property of the headrest for the passengers and has the advantages of simple structure and safe reliability.

Description

The chair headrest of band neck support function
Technical field
The present invention relates to a kind of headrest, particularly relate to a kind of chair headrest with neck support function.
Background technology
Most of chair headrest in the market only plays protection and supporting role to occupant's head within the specific limits, and not having independently, neck brace mechanism realizes occupant's neck is effectively supported.The head rest adjusting device of part vehicle can play certain flank coating effect to occupant's neck, but does not reach the needed Support Position of neck as yet, and the neck brace that the occupant still need purchase automobile later stage market increases the traveling comfort of neck.
Summary of the invention
Main purpose of the present invention is: provide a kind of simple in structure, the chair headrest of the band neck support function of dependable performance.
For achieving the above object, the invention provides a kind of chair headrest with neck support function, include a head rest body, it also includes a neck brace and neck brace control apparatus; Described neck brace control apparatus includes one group of slide bar, guide pin bushing, metal tube, and described guide pin bushing and metal tube are fixedly installed on the head rest body, and guide pin bushing is fixed in the metal tube, and described slide bar one end is fixedly installed on the neck brace, and other end slide bar is located in the described guide pin bushing; Described slide bar is provided with gear groove, fastening groove, but and the fastening groove of the corresponding described slide bar of described guide pin bushing be provided with the card of the described fastening groove of buckle;
The gear groove of described slide bar is the groove that has the inclined-plane, and its degree of depth is 1.2mm~1.7mm, and the opening angle on its inclined-plane is 130 °~160 °;
The fastening groove of described slide bar is that one side is the inclined-plane, and another side is the groove of facing directly;
The card two ends shock mount of described guide pin bushing, and have slotted hole in the middle of the described card, a backing pin is assemblied in the middle of the slotted hole;
The bottom of described guide pin bushing is opened groove and it is divided into two lobes is taken the shape of the letter U;
Described guide pin bushing top increases a plurality of convex tendons and metal tube interference fit;
Described guide pin bushing bottom is provided with U shaped metal pipe clamp sheet, its external diameter and metal tube internal diameter interference fit;
Described guide pin bushing middle part is provided with two slide bar cards, its internal diameter and slide bar external diameter interference fit certain-length;
Be nonparallel structure between the described slide bar, on it is horizontal and vertical, have departure;
The lateral deviation amount of described slide bar and along track bias amount are 1.5mm~3.5mm.
The degree of depth of the gear groove among the present invention is located in 1.2mm~1.7mm scope, opening angle is located in 130 °~160 ° the scope, in this scope, can guarantee: when occupant's neck when neck brace applies rearward-directed force certain between 30N~75N scope, card will skid off the gear groove, neck brace promptly slides to the head rest body end, thereby alleviated impact, to guarantee occupant's neck safety.
The present invention is the function that the seat headrest is increased neck support, and is simple in structure, easy to operate, safe and reliable, and total compactness, small and exquisite, finally reached comfortable, attractive in appearance, practical purpose.
Description of drawings
Fig. 1 is a structure cut-away view of the present invention;
Fig. 2 is the schematic cross-section of place, two slide bar center of the present invention face;
Fig. 3 is slide bar of the present invention, plastics guide pin bushing and metal tube mounting structure scheme drawing;
Fig. 4 is a plastics guide pin bushing structural representation of the present invention;
Fig. 5 is the assembling exploded view of plastics guide pin bushing of the present invention and metal tube;
Fig. 6 is a plastics guide pin bushing plan sketch of the present invention;
Fig. 7 a is a lateral deviation scheme drawing between two slide bars of the present invention;
Fig. 7 b is an along track bias scheme drawing between two slide bars of the present invention; And
Fig. 8 is a use scheme drawing of the present invention.
The specific embodiment
As shown in Figure 1, the chair headrest of band neck support function of the present invention includes a head rest body 10, one neck braces 20, and neck brace control apparatus 30; Described neck brace 20 is made up of neck brace soft layer 21 and neck brace clad 22; Described head rest body 10 is by head rest body skeleton 11, and head rest body soft layer 12 and head rest body clad 13 are formed; Described neck brace control apparatus 30 includes one group of slide bar 31, plastics guide pin bushing 32, metal tube 35, stay bearing plate 33, support 34; In conjunction with shown in Figure 2, described plastics guide pin bushing 32, support 34, metal tube 35 are fixedly installed on the head rest body 10, and stay bearing plate 33 is fixedly installed on the neck brace 20, the present invention uses two slide bars 31,32, two sections metal tubes 35 of two plastics guide pin bushings, support 34 two ends are fixedly arranged on respectively on the head rest body skeleton 11 of head rest body 10, two metal tubes 35 are fixed on the support 34, and two plastics guide pin bushings 32 are separately fixed in the metal tube 35.
One end can pass metal tube 35 when making plastics guide pin bushing 32 assembling, as shown in Figure 4, open groove 324 in the insertion end of plastics guide pin bushing 32 it is divided into two lobes 325,326 that take the shape of the letter U, as shown in Figure 5, in insertion end two lobes 325,326 of plastics guide pin bushing 32 when the metal tube 35, receive like this, fully by back two lobes 325,326 by self elastic force open with metal tube 35 cards only; Plastics guide pin bushing 32 and being welded between the metal tube 35 on the head rest body skeleton 11 to the chucking relation for guaranteeing fitting tight between the two, in conjunction with shown in Figure 6, increases a plurality of convex tendons 329 and metal tube 35 appropriate interference fit on plastics guide pin bushing 32 tops; Be provided with U shaped metal pipe clamp sheet 3250 in plastics guide pin bushing 32 bottoms, itself and metal tube 35 lower end abutment, the internal diameter 351 appropriate interference fit of its external diameter 3251 and metal tube 35 are with gap of eliminating plastics guide pin bushing 32 and metal tube 35 and the generation that prevents vibration noise; Be the cliding friction relation between slide bar 31 and the plastics guide pin bushing 32, is free-running fit at the top of plastics guide pin bushing 32 internal diameter 3281 with slide bar external diameter 310, for guaranteeing that neck brace assembles smoothly, be provided with two slide bar cards 328 at the middle part of plastics guide pin bushing 32, two U types perforate 3283 is left at the middle part of plastics guide pin bushing 32, structure is a slide bar card 328 in the middle of it, slide bar card 328 can freely open and shrink, its internal diameter 3280 is 3282 with slide bar external diameter 310 for the interference fit certain-length, by adjusting magnitude of interference scalable friction force between the two.
In order to eliminate rocking and vibration noise between slide bar 31 and the plastics guide pin bushing 32, be nonparallel structure between two slide bars 31, on it is horizontal and vertical, there is departure; Shown in Fig. 7 a, there is departure 3101 in two slide bars 31 between laterally, and its value is 1.5mm~3.5mm; Shown in Fig. 7 b, there is departure 3102 in two slide bars 31 between vertically, and its value is 1.5mm~3.5mm; Like this slide bar 31 can with plastics guide pin bushing 32 assembling after, thereby its two ends will partly fit and eliminate tolerance clearance between plastics guide pin bushing 32 and the slide bar 31, reach elimination and rock effect with vibration noise; Smoothness when operating for improving neck brace is coated with appropriate lubricating grease between slide bar 31 and plastics guide pin bushing 32.
As shown in Figure 2, two slide bars, 31 1 end vertical fixing are installed on the stay bearing plate 33 of neck brace 20, and the other end is slidedly arranged in the described plastics guide pin bushing 32; As shown in Figure 3, described slide bar 31 is provided with gear groove 311, fastening groove 312, gear groove 311 is for having the groove on inclined-plane, its degree of depth is 1.2mm~1.7mm, the opening angle on its inclined-plane is 130 °~160 °, and every a determining deviation be located on the slide bar 31, fastening groove 312 is that one side is the inclined-plane, another side is the groove of facing directly, and but the fastening groove 312 of described plastics guide pin bushing 32 corresponding described slide bars 31 is provided with the card 321 of the described fastening groove 312 of buckle, as shown in Figure 4, described plastics guide pin bushing 32 1 ends are a head end 320, in this head end 320, be formed with the tank 3200 and two spring grooves 3201 of a ccontaining card 321, be provided with a pin-and-hole 3202 that passes tank 3200 at this head end 320 for the centre hole side that slide bar 31 wears in addition, one side of this card 321 is provided with a pushing block 3210, in this inboard, pushing block 3210 two ends one spring 322 is housed respectively, in the middle of card 321, have a bigger hole clipping 3211, and offer a slotted hole 327 on these hole clipping 3211 next doors, be that card 321 is contained in the tank 3200 during assembling, spring 322 is contained in the spring groove 3201, backing pin 323 passes the pin-and-hole 3202 on the head end 320 when assembling and is arranged in the slotted hole 327 of card 321, plays position-limiting action; When neck brace 20 slides into the card of locating foremost and ends state, card 321 in the plastics guide pin bushing 32 makes the edge of its hole clipping 3211 drop in the fastening groove 312 of slide bar 31 under the application force of spring 322, card 321 contacts with facing directly of fastening groove 312, neck brace 20 realizes that card ends state, card 321 is fitted with the surface of slide bar 31 under the effect of spring force all the time, when its by slide bar on during every the gear groove 311 of certain pitch arrangement, can in neck brace 20 control processs, realize the amount of movement prompt facility.
As shown in Figure 8, neck brace 20 is realized regulating before and after it by sliding in the plastics guide pin bushing 32 of slide bar 31 on being fixed in head rest body 10, because neck brace 20 is installed on the head rest body 10, but head rest body 10 up-and-down movements, neck brace 20 can be realized up-down adjustment when headrest body 10 up-and-down movements, the upper-lower position that the occupant can be by regulating head rest body 10 and the front and back position of neck brace 20 are realized the support to neck, neck brace 20 relatively and head rest body 10 certain amount of shifting out is arranged, the occupant can regulate the spacing of neck brace 20 and neck according to demand; In conjunction with shown in Figure 1, after neck brace 20 was drawn out, its bearing force that offers passenger's neck mainly was made of the friction force between slide bar 31 and the plastics guide pin bushing 32; When being in an emergency, suddenly brake or vehicle hit after taking place, when being knocked into the back, occupant's head can move backward, gear groove 311 depth of groove 1.2mm~1.7mm, design that the inclined-plane opening angle is 130 °~160 ° has guaranteed that occupant's neck is when neck brace 20 applies rearward-directed force between 30N~75N, card 321 will skid off current gear groove 311, neck brace 20 promptly slides to head rest body 10, thereby alleviated impact, also be provided with certain thickness neck brace soft layer 21 between the stay bearing plate 33 of the contact surface of neck brace 20 and occupant's neck to the neck brace, to guarantee occupant's neck safety and comfort.

Claims (10)

1. the chair headrest with neck support function includes a head rest body, it is characterized in that, also includes a neck brace and neck brace control apparatus; Described neck brace control apparatus includes one group of slide bar, guide pin bushing, metal tube, and described guide pin bushing and metal tube are fixedly installed on the head rest body, and guide pin bushing is fixed in the metal tube, and described slide bar one end is fixedly installed on the neck brace, and other end slide bar is located in the described guide pin bushing; Described slide bar is provided with gear groove, fastening groove, but and the fastening groove of the corresponding described slide bar of described guide pin bushing be provided with the card of the described fastening groove of buckle.
2. the chair headrest of band neck support function according to claim 1 is characterized in that, the gear groove of described slide bar is the groove that has the inclined-plane, and its degree of depth is 1.2mm~1.7mm, and the opening angle on its inclined-plane is 130 °~160 °.
3. the chair headrest of band neck support function according to claim 1 is characterized in that, the fastening groove of described slide bar is that one side is the inclined-plane, and another side is the groove of facing directly.
4. the chair headrest of band neck support function according to claim 1 is characterized in that, the card two ends shock mount of described guide pin bushing, and have slotted hole in the middle of the described card, a backing pin is assemblied in the middle of the slotted hole.
5. the chair headrest of band neck support function according to claim 1 is characterized in that, the bottom of described guide pin bushing is opened groove and it is divided into two lobes is taken the shape of the letter U.
6. the chair headrest of band neck support function according to claim 1 is characterized in that, described guide pin bushing top increases a plurality of convex tendons and metal tube interference fit.
7. the chair headrest of band neck support function according to claim 1 is characterized in that, described guide pin bushing bottom is provided with U shaped metal pipe clamp sheet, its external diameter and metal tube internal diameter interference fit.
8. the chair headrest of band neck support function according to claim 1 is characterized in that, described guide pin bushing middle part is provided with two slide bar cards, its internal diameter and slide bar external diameter interference fit certain-length.
9. the chair headrest of band neck support function according to claim 1 is characterized in that, is nonparallel structure between the described slide bar, has departure on it is horizontal and vertical.
10. the chair headrest of band neck support function according to claim 9 is characterized in that, the lateral deviation amount of described slide bar and along track bias amount are 1.5mm~3.5mm.
CN2010101205439A 2010-03-09 2010-03-09 Chair headrest with neck support function Expired - Fee Related CN101817320B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010101205439A CN101817320B (en) 2010-03-09 2010-03-09 Chair headrest with neck support function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010101205439A CN101817320B (en) 2010-03-09 2010-03-09 Chair headrest with neck support function

Publications (2)

Publication Number Publication Date
CN101817320A true CN101817320A (en) 2010-09-01
CN101817320B CN101817320B (en) 2012-07-04

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ID=42652648

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010101205439A Expired - Fee Related CN101817320B (en) 2010-03-09 2010-03-09 Chair headrest with neck support function

Country Status (1)

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101973221A (en) * 2010-11-09 2011-02-16 上海延锋江森座椅有限公司 Chair headrest
CN102756675A (en) * 2012-07-27 2012-10-31 保定延锋江森汽车座椅有限公司 Automotive seat headrest with neck support function
CN102951050A (en) * 2011-08-30 2013-03-06 上海宏翱汽车配件有限公司 Retractable adjusting car pillow
CN102951049A (en) * 2011-08-24 2013-03-06 上海宏翱汽车配件有限公司 Push-pull automobile neck pillow
CN103171468A (en) * 2011-12-26 2013-06-26 标致·雪铁龙汽车公司 L-shaped vehicle seat headrest
WO2015088463A1 (en) * 2013-12-13 2015-06-18 Koc Universitesi Vehicle seat with movable neckrest
CN105059155A (en) * 2015-08-18 2015-11-18 上海延锋江森座椅有限公司 Seat headrest with self-adaptive neck support function
CN105270225A (en) * 2014-06-23 2016-01-27 重庆长安汽车股份有限公司 Vehicle seat headrest conduit
CN105818722A (en) * 2016-03-23 2016-08-03 浙江吉利汽车研究院有限公司 Headrest and vehicle
CN109720256A (en) * 2017-10-30 2019-05-07 株式会社瑞延理化 The neck brace of headrest for vehicles
CN110509826A (en) * 2019-07-23 2019-11-29 广汽零部件有限公司 A kind of collapse type neck support device
CN111231794A (en) * 2020-01-20 2020-06-05 吉利汽车研究院(宁波)有限公司 Adjustable automobile seat headrest and automobile seat
CN112706671A (en) * 2021-01-08 2021-04-27 上汽大众汽车有限公司 Multifunctional automobile headrest
FR3108072A1 (en) * 2020-03-10 2021-09-17 Faurecia Sièges d'Automobile NECK SUPPORT MODULE FOR VEHICLE SEAT HEADREST DEVICE
CN115214444A (en) * 2022-09-20 2022-10-21 宁波继峰汽车零部件股份有限公司 Car seat with neck massage function
US20230339615A1 (en) * 2022-04-26 2023-10-26 Gulfstream Aerospace Corporation Reclining seat
US11939064B2 (en) 2022-06-15 2024-03-26 Gulfstream Aerospace Corporation Reclining seat

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2758297A1 (en) * 1997-01-16 1998-07-17 Faure Bertrand Equipements Sa Motor vehicle seat back head-rest
US20030111889A1 (en) * 2001-12-18 2003-06-19 E.R. Wagner Manufacturing Company Reduced cost head restraint support tube to improve system function
JP2007000257A (en) * 2005-06-22 2007-01-11 Inoac Corp Headrest
CN201021160Y (en) * 2007-03-28 2008-02-13 上海李尔汽车系统有限公司 Automobile chair headrest guiding sleeve
US20090058161A1 (en) * 2007-08-31 2009-03-05 Clifford Bruce Meert Vehicle seat neck protection device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2758297A1 (en) * 1997-01-16 1998-07-17 Faure Bertrand Equipements Sa Motor vehicle seat back head-rest
US20030111889A1 (en) * 2001-12-18 2003-06-19 E.R. Wagner Manufacturing Company Reduced cost head restraint support tube to improve system function
JP2007000257A (en) * 2005-06-22 2007-01-11 Inoac Corp Headrest
CN201021160Y (en) * 2007-03-28 2008-02-13 上海李尔汽车系统有限公司 Automobile chair headrest guiding sleeve
US20090058161A1 (en) * 2007-08-31 2009-03-05 Clifford Bruce Meert Vehicle seat neck protection device

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101973221A (en) * 2010-11-09 2011-02-16 上海延锋江森座椅有限公司 Chair headrest
CN101973221B (en) * 2010-11-09 2012-08-01 上海延锋江森座椅有限公司 Chair headrest
CN102951049A (en) * 2011-08-24 2013-03-06 上海宏翱汽车配件有限公司 Push-pull automobile neck pillow
CN102951050A (en) * 2011-08-30 2013-03-06 上海宏翱汽车配件有限公司 Retractable adjusting car pillow
CN103171468A (en) * 2011-12-26 2013-06-26 标致·雪铁龙汽车公司 L-shaped vehicle seat headrest
CN102756675A (en) * 2012-07-27 2012-10-31 保定延锋江森汽车座椅有限公司 Automotive seat headrest with neck support function
WO2015088463A1 (en) * 2013-12-13 2015-06-18 Koc Universitesi Vehicle seat with movable neckrest
CN105270225B (en) * 2014-06-23 2018-05-22 重庆长安汽车股份有限公司 A kind of vehicle seats headrest conduit
CN105270225A (en) * 2014-06-23 2016-01-27 重庆长安汽车股份有限公司 Vehicle seat headrest conduit
CN105059155B (en) * 2015-08-18 2018-01-09 延锋安道拓座椅有限公司 A kind of chair headrest of the adaptive neck support function of band
CN105059155A (en) * 2015-08-18 2015-11-18 上海延锋江森座椅有限公司 Seat headrest with self-adaptive neck support function
CN105818722A (en) * 2016-03-23 2016-08-03 浙江吉利汽车研究院有限公司 Headrest and vehicle
CN109720256A (en) * 2017-10-30 2019-05-07 株式会社瑞延理化 The neck brace of headrest for vehicles
CN110509826A (en) * 2019-07-23 2019-11-29 广汽零部件有限公司 A kind of collapse type neck support device
CN111231794A (en) * 2020-01-20 2020-06-05 吉利汽车研究院(宁波)有限公司 Adjustable automobile seat headrest and automobile seat
FR3108072A1 (en) * 2020-03-10 2021-09-17 Faurecia Sièges d'Automobile NECK SUPPORT MODULE FOR VEHICLE SEAT HEADREST DEVICE
CN112706671A (en) * 2021-01-08 2021-04-27 上汽大众汽车有限公司 Multifunctional automobile headrest
CN112706671B (en) * 2021-01-08 2022-06-03 上汽大众汽车有限公司 A multifunctional car headrest
US20230339615A1 (en) * 2022-04-26 2023-10-26 Gulfstream Aerospace Corporation Reclining seat
EP4268672A1 (en) * 2022-04-26 2023-11-01 Gulfstream Aerospace Corporation Reclining seat
US11939063B2 (en) * 2022-04-26 2024-03-26 Gulfstream Aerospace Corporation Reclining seat
US11939064B2 (en) 2022-06-15 2024-03-26 Gulfstream Aerospace Corporation Reclining seat
CN115214444A (en) * 2022-09-20 2022-10-21 宁波继峰汽车零部件股份有限公司 Car seat with neck massage function

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Address after: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 201135

Co-patentee after: Johnson Controls Automotive interior management (Management) Ltd.

Patentee after: YANFENG ADIENT SEATING Co.,Ltd.

Address before: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 201135

Co-patentee before: Johnson Controls Automotive interior management (China) Co.,Ltd.

Patentee before: SHANGHAI YANFENG JOHNSON CONTROLS SEATING Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120704