CN109878387A - Automotive seat - Google Patents
Automotive seat Download PDFInfo
- Publication number
- CN109878387A CN109878387A CN201810762029.1A CN201810762029A CN109878387A CN 109878387 A CN109878387 A CN 109878387A CN 201810762029 A CN201810762029 A CN 201810762029A CN 109878387 A CN109878387 A CN 109878387A
- Authority
- CN
- China
- Prior art keywords
- backrest
- executing agency
- seat
- automotive seat
- headrest
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000033001 locomotion Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 210000002414 leg Anatomy 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001085205 Prenanthella exigua Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/809—Head-rests movable or adjustable vertically slidable
- B60N2/829—Head-rests movable or adjustable vertically slidable characterised by their adjusting mechanisms, e.g. electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The present invention provides a kind of automotive seat comprising: seat；Backrest can pivot between extended and collapsed positions under outer power drive with respect to seat；Headrest, can move between extended position and retracted position under outer power drive relative to backrest；Control assembly, it includes the first executing agency and the second executing agency, wherein, first executing agency is suitable for that the backrest is driven to pivot between extended and collapsed positions with respect to seat, and second executing agency is suitable for that the headrest is driven to move between extended position and retracted position relative to backrest；Driver is arranged to drive first executing agency and the second executing agency simultaneously.The same driving mechanism, which is arranged, in automotive seat of the invention comes while driving backrest and headrest, so that the control mechanism structure of automotive seat is more simple, so as to which the production cost of automotive seat is effectively reduced.
Description
Technical field
The present invention relates to a kind of adjustable automotive seats, more particularly to can carry out during packing up and being unfolded automatic
The automotive seat of adjusting.
Background technique
Automotive seat is usually adjustable, for example the height of adjustable chair surface or headrest multiplies with adapting to difference
The Ride Style of the height of visitor or the tilt angle of adjustable backrest to facilitate passenger to select or lie or sit.
The automotive seat of early stage is usually adjusted in a manual fashion.With the development of technology, more and more automobile choosings
Automatic device is selected to adjust seat, to realize the automatic or Electronic control of seat, the convenience and efficiency that Convenient chair is adjusted.
Summary of the invention
It is an object of the invention to improve the automotive seat of the prior art, to further increase the convenient of automotive seat adjusting
Property and efficiency.
For this purpose, providing a kind of automotive seat comprising:
Seat；
Backrest can move between extended and collapsed positions under outer power drive with respect to seat；
Headrest can move between extended position and retracted position under outer power drive with respect to backrest；
Control assembly comprising the first executing agency and the second executing agency, wherein first executing agency is suitable for driving
It moves the backrest and is moved between extended and collapsed positions with respect to seat, second executing agency is suitable for driving the head
Opposite backrest is rested the head on to move between extended position and retracted position；
Driver is configured to drive first executing agency and the second executing agency simultaneously.
The same driving mechanism, which is arranged, in automotive seat according to the present invention comes while driving backrest and headrest, to realize backrest
With the linkage control of headrest, and make the control mechanism structure of automotive seat more simple, the life of automotive seat is effectively reduced
Produce efficiency and cost.
It is advantageous that the backrest under the driving of first executing agency opposite seat in expanded position and folding position
It is rotated between setting.May be set to be the backrest under the driving of first executing agency opposite seat in expanded position and
It is moved between folding position, or rotation and mobile combination.Similarly, headrest phase under the driving of the second executing agency
Backrest is moved between extended position and retracted position, rotates or is moved the combination with rotation.The motion mode ratio of rotation
It is easier to realize, for example uses simple shaft and gear mechanism, but the process run needs to occupy larger space.Phase
Than under, mobile motion mode is usually required using guide rail etc., and installation and operation is relative complex, but operational process can be most
Space is saved goodly.For this purpose, the method for operation of backrest and headrest can be selected according to specific car situation.
It is advantageous that first executing agency and the second executing agency are arranged to when the back movement is to being unfolded position
Headrest is just run to extended position when setting, and just operation extremely retracts position to headrest when the back movement to folding position
It sets.By setting control assembly to adjust backrest and headrest simultaneously, the operation of automotive seat is effectively facilitated, after being suitable for automobile
Row's one key of seat is adjusted in place namely operator is it is only necessary to simply touch to press operation button, and automotive seat can be completed at the same time
All adjusting movements, effectively improve adjusting efficiency.It is to be understood that also can be set to being capable of root for the control assembly
Backrest and headrest are individually adjusted according to selection, so that passenger be allowed to adjust the tilt angle of backrest and the height of headrest as needed
Degree, to obtain the state of the most comfortable.
It is advantageous that the driver has the first output shaft and the second output shaft.
It is advantageous that first output shaft is connected to first executing agency by interlocking bar.
It is advantageous that second output shaft is connected to second driving mechanism by flexible axle.
It is advantageous that second executing agency includes: screw rod, can be rotated under the driving of the flexible axle；Nut,
It is sleeved on the screw rod and is fixedly attached to the headrest.
It is advantageous that the extending direction of the extending direction and the screw rod of first output shaft is substantially vertical.
It is advantageous that the driver be fixedly installed in it is described by back and can be with the backrest with respect to seat pivot.
It is advantageous that the extending direction weight of the shaft of the extending direction of second output shaft seat opposite with the backrest
It closes.
Detailed description of the invention
Hereinafter reference will be made to the drawings is described in further detail other technologies details and advantage of the invention, in which:
Figure 1A and Figure 1B is respectively schematic diagram when automotive seat according to the present invention is in different conditions, wherein Figure 1A
In seat be in the deployed and the seat in extended position, Figure 1B of resting the head on be in folding position and rest the head on be in
Retracted position；
Fig. 2 is the enlarged diagram of automotive seat shown in Figure 1A, and seat therein is removed, its remaining part is better shown
The structure divided；
Fig. 3 is the decomposition diagram of the driver of automotive seat shown in Fig. 1；
Fig. 4 is the decomposition diagram of the second executing agency and its associated member in automotive seat shown in Fig. 1.
Content shown by above-mentioned attached drawing is only for example and illustrates, and and drawn not in strict accordance with ratio, also not
Completely draw out relevant whole component or details under specifically used environment.Original of the invention is being illustrated in those skilled in the art
After reason and design, it will occur to and need to be added known in this field for the specific implementation present invention under specific use environment
The relevant technologies content.
Specific embodiment
In addition, the term " first " that may be used in the following description, " second " etc. are not intended to limit any tagmeme, only
For convenience of each independent component of differentiation, part, structure, element etc., and these independent components, part, structure, element can
With identical, similar or different.Meanwhile the explanation about orientation that may be used in the following description, such as "upper", "lower",
"inner", "outside", "left", "right", " radial direction ", " axial direction " etc. clearly state unless having, only for facilitating description, and without being intended to pair
Inventive technique scheme forms any restriction.
Fig. 1 is the schematic diagram of automotive seat according to the present invention, wherein the surface cover being typically provided in seat is omitted in figure
With sponge etc., and its skeleton is shown, only to better describe and the principle of the invention and relevant content of spirit.Though in addition,
Skeleton in right figure is shown as mainly being made of pipe fitting, still, can certainly be configured to other forms, for example, plate or
Person's pipe fitting and the combination of plate etc..
As shown, the automotive seat has horizontal positioned seat 10, seat 10 is usually fixed or slideably pacifies
On floor loaded on automobile, it is used to support the buttocks of passenger.Automotive seat further includes being used to support the passenger being sitting on seat 10
The backrest 20 at back.A strut is respectively stretched out at the both ends of seat 10 along its length in the figure, and backrest 20 along length side
To both ends be supported on the strut respectively.Backrest 20 can also be installed by other different modes, but backrest 20
The opposite seat 10 under outer power drive is allowed for pivot between extended and collapsed positions.As shown in Figure 1A, seat 10
It is in the deployed, and the seat 10 in Figure 1B is in folding position.The expanded position and folding position are respectively backrest 20
The largest motion position of opposite seat 10.In general, the backrest 20 in folding position is adjacent to seat 10 substantially, and in expansion position
The backrest 20 set can be vertical with the extension plane of seat 10 even in bigger angle, to facilitate passenger in a manner of facing upward and lie
It takes.
In addition, automotive seat further includes the headrest 30 being mounted on backrest 20.Headrest 30 is arranged to can be in outer power drive
It is lower to be moved between extended position and retracted position relative to backrest 20.Such as Figure 1A, headrest 30 therein is in extended position, and schemes
Headrest 30 in 1B is in retracted position.Adjustable headrest 30 is conducive to the use of seat.For example, in the use state of seat
Under, the height of headrest 30 can be adjusted, between extended position and retracted position to adapt to the head position of the passenger of different heights
It sets.Also, when needing to fold entire automotive seat to vacate more interior spaces, headrest 30 is adjusted to retracted position can
To reduce the occupied space of seat.
Automotive seat according to the present invention has automatic adjusting mechanism.Specifically, automotive seat according to the present invention is permitted
Perhaps it drives the opposite seat 10 of the backrest 20 to pivot between extended and collapsed positions in electronic mode, or makes institute
Headrest 30 is stated to move between extended position and retracted position relative to backrest 20.Meanwhile the automatic adjusting mechanism can be to institute
The regulating mechanism of the regulating mechanism and headrest of stating backrest is controlled in a manner of linking, so that a key operation is realized, so that only
Single is needed to touch key, automotive seat can be changed into Figure 1B state from Figure 1A state, or be changed into Figure 1A from Figure 1B state
State.Also, as shown, can set automotive seat to its supporting leg can also be conditioned.Such as Figure 1A, supporting leg is in and props shape
State, seat are in higher position；And in fig. ib, supporting leg is in laid-flat status, and seat is in lower position.To pass through tune
Supporting leg state is saved, the height of adjustable seat 10 to facilitate the passenger with different heights, or reduces and is in collapsed state
Automotive seat occupied space.
It referring to fig. 2, is the enlarged diagram of automotive seat shown in Figure 1A, seat therein is removed, preferably to show
The structure of rest part out, the control assembly 40 and 50 being especially arranged on backrest 20 and driver 60.In conjunction with Fig. 3 as it can be seen that
Driver 60 includes electric motor and retarder, wherein electric motor is connected with retarder, and the rotation that electric motor generates is passed
It is handed to retarder, and retarder is provided with the first output shaft 61 and the second output shaft 62, the first output shaft 61 connects interlocking bar 41,
And the second output shaft 62 connects flexible axle 51.
With continued reference to Fig. 2, the control including the first executing agency 40 and the second executing agency 50 there also is provided on backrest 20
Component.Wherein, first executing agency 40 connects the first output shaft 61 of the driver 60 by interlocking bar 41, with driving
The opposite seat 10 of the backrest 20 pivots between extended and collapsed positions.Second executing agency 50 passes through flexible axle 51
Be connected to the second output shaft 62 of driver 60, with drive the opposite backrests 20 of the headrest 30 extended position and retracted position it
Between move.
To drive the opposite seat 10 of the backrest 20 to pivot, the first executing agency 40 can be set to a variety of different shapes
Formula.For example, the first executing agency 40 may include the gear mechanism 40 (being only to illustrate in figure) being fixedly installed in by back, the tooth
It takes turns mechanism 40 and first output shaft 61 is connected by interlocking bar 41, so that the rotation of driving mechanism 60 is passed to by interlocking bar 41
Gear mechanism 40, and then the whole opposite seat 10 of backrest 20 is driven to pivot between extended and collapsed positions.
Referring now to Fig. 4, for the partial exploded view of the second executing agency 50 illustrated in Fig. 2.Therefrom as it can be seen that this second is held
Row mechanism 50 is leading screw and nut mechanism comprising can the flexible axle 51 the screw rod 52 being rotated by and be sleeved on the silk
On bar 52 and be fixedly attached to it is described headrest 30 nut 53.In conjunction with Fig. 2 and Fig. 4 as it can be seen that being fixedly installed with support on backrest 20
54, connector 55 is installed, one end of connector 55 connects flexible axle 51, other end connection wire rod 52, so that flexible axle 51 on support 54
Rotation can be transferred to screw rod 52.Nut 53 is set on screw rod 52, nut 53 is connected to the skeleton of headrest 30.It can be bright
White, when rotating under drive of the screw rod 52 in flexible axle 51, the nut 53 being sleeved on screw rod 52 will be moved along screw rod 52, in turn
Drive headrest 30 whole mobile relative to backrest 20.By changing the direction for the rotation that driver 60 is exported, the rotation of flexible axle 51
Direction accordingly changes, to drive headrest 30 close or move between extended position and retracted position far from backrest 20
It is dynamic.
Flexible axle be rigid very little, with elasticity, can free bend rotation axis, be used for couple not coaxial or even different sides
The second output shaft 62 and screw rod 52, to transmit rotary motion and torque therebetween.In the present invention, it can be used various
Various forms of flexible axles.As an example, flexible axle includes housing and core, wherein central core is twisted by more seizing wires, steel
The both ends of cord are by bearing support.Wirerope rotates when use, and housing does not turn.
In the embodiment shown in the figures, driver 60, flexible axle 51 and interlocking bar 41 are fixedly installed in the backrest 20
It can pivot above and with the opposite seat 10 of the backrest 20.But the driver 60 also may be mounted at the other positions of automobile,
And pass through transmission device for power transmission to the flexible axle 51 and interlocking bar 41.As preferred embodiment, described first is defeated
The extending direction of shaft and the extending direction of the screw rod are substantially vertical, and the extending direction of second output shaft with it is described
Backrest is overlapped with respect to the extending direction of the shaft of seat.
In addition, first executing agency and the second executing agency are arranged to when the backrest is switched to expanded position
Headrest is just moved to extended position, and headrest is just moved to retracted position when the backrest is switched to folding position.From
And the backrest regulating mechanism and headrest controlling mechanism are controlled in a manner of linking, and to realize a key operation, only need single
The folding or expansion of seat can be completed in touching key.Certainly, the controller also can be set to individually to adjust and lean on
Back and headrest, to allow passenger to adjust the tilt angle of backrest and the height of headrest as needed, to obtain the most comfortable
State.
Above-described is only the illustrative embodiments of spirit and principle for the present invention.Those skilled in the art
It will be appreciated that can be made a variety of changes to described example under the premise of without departing substantially from the spirit and principle, these changes
Change and its various equivalent ways are contemplated to by the present inventor, and falls by scope defined by the claims of the present invention
It is interior.
Claims (9)
1. a kind of automotive seat, comprising:
Seat (10)；
Backrest (20), under outer power drive can the relatively described seat (10) pivot between extended and collapsed positions；
It rests the head on (30), can be moved between extended position and retracted position relative to the backrest (20) under outer power drive；
Control assembly comprising the first executing agency (40) and the second executing agency (50), wherein first executing agency
(40) it is suitable for that the backrest (20) is driven to move between extended and collapsed positions with respect to seat (10), described second executes
Mechanism (50) is suitable for that the headrest (30) is driven to move between extended position and retracted position with respect to backrest (20)；With
Driver (60) is configured to drive first executing agency (40) and the second executing agency (50) simultaneously.
2. automotive seat according to claim 1, which is characterized in that first executing agency (40) and second executes machine
Structure (50) is arranged to: when the backrest (20) moves to expanded position, headrest (30) moves to extended position, and when described
When backrest (20) moves to folding position, headrest (30) moves to retracted position.
3. automotive seat according to claim 1, which is characterized in that the driver (60) has the first output shaft (61)
With the second output shaft (62).
4. automotive seat according to claim 3, which is characterized in that first output shaft (61) passes through interlocking bar (41)
It is connected to first executing agency (40).
5. automotive seat according to claim 3, which is characterized in that second output shaft (62) is connected by flexible axle (51)
It is connected to second executing agency (50).
6. automotive seat according to claim 5, which is characterized in that second executing agency (50) further include:
Screw rod (52) can rotate under the driving of the flexible axle (51)；
Nut (53) is sleeved on the screw rod (52) and is fixedly attached to the headrest (30).
7. automotive seat according to claim 6, which is characterized in that the extending direction of second output shaft (62) and institute
The extending direction for stating screw rod (52) is vertical.
8. automotive seat according to claim 3, which is characterized in that the driver (60) is fixedly installed in the backrest
(20) it is pivoted on and with the backrest (20) with respect to seat (10).
9. automotive seat according to claim 8, which is characterized in that the extending direction of first output shaft (61) and institute
The extending direction that backrest (20) are stated with respect to the pivot center of seat (10) is overlapped.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810762029.1A CN109878387A (en) | 2018-07-12 | 2018-07-12 | Automotive seat |
| PCT/CN2019/087160 WO2020010918A1 (en) | 2018-07-12 | 2019-05-16 | Automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810762029.1A CN109878387A (en) | 2018-07-12 | 2018-07-12 | Automotive seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109878387A true CN109878387A (en) | 2019-06-14 |
Family
ID=66924794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810762029.1A Pending CN109878387A (en) | 2018-07-12 | 2018-07-12 | Automotive seat |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109878387A (en) |
| WO (1) | WO2020010918A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329121A (en) * | 2019-07-19 | 2019-10-15 | 延锋安道拓座椅有限公司 | The angle regulating structure of seat and integrated form angle adjustor thereon |
| CN110422090A (en) * | 2019-08-30 | 2019-11-08 | 湖北航嘉麦格纳座椅***有限公司 | Automobile and its automobile chair frame |
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| CN101659227A (en) * | 2008-08-27 | 2010-03-03 | 现代自动车株式会社 | Headrest apparatus moveable in cooperation with seat back |
| CN102085817A (en) * | 2011-01-20 | 2011-06-08 | 浙江吉利汽车研究院有限公司 | Adjustable car seat structure |
| CN103963677A (en) * | 2013-01-24 | 2014-08-06 | 福特全球技术公司 | Articulating headrest assembly |
| CN203854536U (en) * | 2014-05-28 | 2014-10-01 | 苏州雷姆斯汽车工程有限公司 | Adjustable child safety seat |
| CN105682984A (en) * | 2013-09-09 | 2016-06-15 | 布罗泽汽车部件制造科堡有限公司 | Vehicle seat having a drive for backrest and head-restraint adjustment |
| WO2017046025A1 (en) * | 2015-09-18 | 2017-03-23 | Johnson Controls Metals and Mechanisms GmbH & Co. KG | Vehicle seat, in particular motor vehicle seat |
| CN206242964U (en) * | 2016-11-24 | 2017-06-13 | 南京工程学院 | A kind of wide-angle foldable seat of car |
| CN208452842U (en) * | 2018-07-12 | 2019-02-01 | 广东肇庆爱龙威机电有限公司 | Automotive seat |
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|---|---|---|---|---|
| FR2910400A1 (en) * | 2006-12-21 | 2008-06-27 | Renault Sas | Seat i.e. intermediate row folding seat, for motor vehicle, has headrest connected to frame of backrest by slide connection, and pulled down on backrest when backrest changes from utilization position to folded position |
| DE102007029166B4 (en) * | 2007-06-25 | 2011-07-07 | Lear Corp., Mich. | vehicle seat |
| US7901007B2 (en) * | 2007-08-31 | 2011-03-08 | Honda Motor Co., Ltd. | Self-raising headrest for vehicle seat and method |
| US8061777B2 (en) * | 2009-10-30 | 2011-11-22 | Ford Global Technologies, Llc | System for seat-actuated head rest extension and retraction |
| DE102010040225B4 (en) * | 2010-09-03 | 2013-05-23 | Lear Corporation | Retractable headrest for a vehicle seat |
| JP6286538B2 (en) * | 2014-06-10 | 2018-02-28 | アディエント ルクセンブルク ホールディング エス エー アール エル | Vehicle seat |
-
2018
- 2018-07-12 CN CN201810762029.1A patent/CN109878387A/en active Pending
-
2019
- 2019-05-16 WO PCT/CN2019/087160 patent/WO2020010918A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659227A (en) * | 2008-08-27 | 2010-03-03 | 现代自动车株式会社 | Headrest apparatus moveable in cooperation with seat back |
| CN102085817A (en) * | 2011-01-20 | 2011-06-08 | 浙江吉利汽车研究院有限公司 | Adjustable car seat structure |
| CN103963677A (en) * | 2013-01-24 | 2014-08-06 | 福特全球技术公司 | Articulating headrest assembly |
| CN105682984A (en) * | 2013-09-09 | 2016-06-15 | 布罗泽汽车部件制造科堡有限公司 | Vehicle seat having a drive for backrest and head-restraint adjustment |
| CN203854536U (en) * | 2014-05-28 | 2014-10-01 | 苏州雷姆斯汽车工程有限公司 | Adjustable child safety seat |
| WO2017046025A1 (en) * | 2015-09-18 | 2017-03-23 | Johnson Controls Metals and Mechanisms GmbH & Co. KG | Vehicle seat, in particular motor vehicle seat |
| CN206242964U (en) * | 2016-11-24 | 2017-06-13 | 南京工程学院 | A kind of wide-angle foldable seat of car |
| CN208452842U (en) * | 2018-07-12 | 2019-02-01 | 广东肇庆爱龙威机电有限公司 | Automotive seat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110329121A (en) * | 2019-07-19 | 2019-10-15 | 延锋安道拓座椅有限公司 | The angle regulating structure of seat and integrated form angle adjustor thereon |
| CN110422090A (en) * | 2019-08-30 | 2019-11-08 | 湖北航嘉麦格纳座椅***有限公司 | Automobile and its automobile chair frame |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020010918A1 (en) | 2020-01-16 |
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