CN2372184Y - Fatigue-proof seat back-rest for car - Google Patents
Fatigue-proof seat back-rest for car Download PDFInfo
- Publication number
- CN2372184Y CN2372184Y CN 99214157 CN99214157U CN2372184Y CN 2372184 Y CN2372184 Y CN 2372184Y CN 99214157 CN99214157 CN 99214157 CN 99214157 U CN99214157 U CN 99214157U CN 2372184 Y CN2372184 Y CN 2372184Y
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- crossbeam
- movement unit
- adjusting shaft
- slide rail
- seat
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- Expired - Fee Related
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Abstract
The utility model belongs to the field of automobile accessories. The utility model is provided with a waist movement unit and shoulder movement units on a seat back corresponding to a human body's waist and shoulders, and the waist movement unit and shoulder movement units can move along the direction which is perpendicular to the plane direction of the seat back; a knob at the side surface of the seat back is regulated, and the positions of the movement units are locked to change the supporting state of human body's spine in order to further alleviate passengers' fatigue. The utility model having the advantages of favorable effect of releasing fatigue, simple and convenient regulation, simple manufacturing technique and low cost is suitable for various chairs used in vehicles, offices and families.
Description
The utility model belongs to the car accessories field, relates to the improvement to automotive seat.
Long-duration driving or ride-on vehicles will cause chaufeur and occupant's fatigue.The existing now technical scheme of much managing to alleviate occupant's fatigue, for example, Chinese patent 93222929 " vibromassage driver's health seat) ", be the seat that a kind of motion by pneumatic element reaches massage chaufeur back purpose.Chinese patent 97314553 " body curve's seat) " be a kind of seat that backrest is designed to body curve's shape.Germany Johnson Controls company is being benz and a kind of profile and position and automatic adaptive seat of driver that makes seat of Porsche development, in cushion rubber, be inserted with air cushion, the air-sprung valve is by pressure sensor and a micro processor controls, in driving over a long distance, these air cushions support the body part that becomes tired very soon, as shoulder, lumbar vertebrae or ischium district.The design direction of the Leer company of Germany is also identical with the former, and backrest and back massage are combined, and in dynamic operation, air cushion is pressed the some cycles inflation and lost heart, and reaches massage effect in view of the above.Can reduce three classes to the existing seat that lessens fatigue: the first kind is to add dynamical element in back of seat, by its move massage the people the back to reach the purpose of alleviating fatigue; Second class is to add medicine or magnetic in back of seat, reaches the health care purpose by the efficacy of a drug or magnetic action; The 3rd class is to make the curve of the shape of seat and human body identical, to reach blander purpose.They have individual common ground: be exactly the target that is adjusted to whole back of seat, lack the adjusting to the seat part.Just in control process, people's backbone curve is fixed, and is not adjusted, and therefore anti-tired effect is bad.
The purpose of this utility model provides a kind of anti-tired motor vehicle seat back, makes occupant's backbone curve can constantly obtain changing in vehicle traveling process, thereby, reach the purpose of removing motorist and motroist's fatigue.
The technical solution of the utility model is: a kind of anti-tired motor vehicle seat back, comprise one and backrest bonded assembly head rest 50, a backrest skeleton that forms by left and right side plate, perpendicular to the welding of the crossbeam of side plate, be fixed on the plane spring on the backrest skeleton, cover the airfoam cushion of backrest skeleton and the backrest face shield of parcel airfoam cushion, it is characterized in that:
(1) at back of seat and the cooresponding position of sitting posture human body waist a window 52 that holds waist movement unit 47 is arranged, guide rail beam 21 of horizontal fixed in window 52, two guide rails 3 are fixed on the guide rail beam 21 along the direction perpendicular to window 52, the adjusting shaft 4 that a horizontal positioned is arranged in window 52, its two ends pass from the side of back of seat, are connected with adjusting knob 36 respectively;
(2) a waist movement unit 47 is arranged in window 52, it is made up of the face shield of kinematic mechanism, the airfoam cushion that covers kinematic mechanism and parcel airfoam cushion, kinematic mechanism is connected by a slide rail crossbeam 33, with slide rail crossbeam 33 and forms with two guide rails, 3 cooresponding two one slide rails 1, slide rail 1 inserts in the guide rail 3, and waist movement unit 47 can be along moving perpendicular to the direction on back of seat plane;
(3) gear drive is arranged between waist movement unit 47 and adjusting shaft 4;
(4) stop gear is arranged between waist movement unit 47 and adjusting shaft 4.
The utlity model has following advantage:
1, relieving fatigue is effective, by regulating waist and two moving cells of shoulder, the backbone support situation of human body is constantly changed, and neither influence is driven, again can relieving fatigue.
2, adjusting is simple and convenient.
3, be applicable to various types of vehicles and office, home-use chair, be convenient to promote.
4, manufacturing process is simple, implements easily, and cost is low.
Description of drawings.
Fig. 1 is the three-dimensional profile scheme drawing of the utility model.
Fig. 2 is the utility model perspective exploded view.
Fig. 3 is the assembly drowing of the hard ware of a kind of embodiment of the utility model.
Fig. 4 is the partial enlarged drawing of Fig. 3 local I.
Fig. 5 is the section-drawing of A-A section among Fig. 4.
Fig. 6 is the front elevation that the utility model has local section.
Fig. 7 is the section-drawing of B-B section among Fig. 6.
Fig. 8 is the section-drawing of C-C section among Fig. 7.
Fig. 9 is the section-drawing of D-D section among Fig. 6.
Figure 10 is the section-drawing of E-E section among Fig. 6.
Figure 11 is the assembly drowing of the hard ware of the another kind of embodiment of the utility model.
Figure 12 is the section-drawing of F-F section among Figure 11.
The embodiment shown below in conjunction with accompanying drawing elaborates to the utility model.
Referring to Fig. 1,2.The back of seat and the cushion 53 that have head rest 50 connect and compose complete seat.Adjusting in order to realize occupant's backbone is supported is divided into fixed cell 49, waist movement unit 47 and head movement unit 48 to back of seat.In some cases, also can cancel the head movement unit, only keep waist movement unit 47.The center of waist movement unit should be positioned at occupant's waist pars convoluta position, between the 5-6 thoracic vertebrae that is centered close to the occupant of head movement unit.This occupant's height is as the criterion with 90% Chinese average height.Two moving cells of waist and shoulder can be done the fore-and-aft direction motion by relative backrest fixed cell independently of one another, thereby can strengthen or weaken the support of waist and shoulder independently of one another, freely change the human spine curve.Fixed cell and moving cell all are made up of metallic framework, airfoam cushion, face shield three parts.Wherein, the density of the airfoam cushion of waist and two unit of shoulder and rebound degree can be compared to being twice of backrest fixed cell most, so that strengthen the support effect at these two positions.By manual regulation knob 36, lumbar unit and shoulder unit are moved forward and backward, constantly change the human spine curve, remove occupant's fatigue.Fig. 2 has shown the situation after the airfoam cushion of moving cell outside and face shield taken away.Can clearly illustrate the window that holds moving cell on the back of seat fixed cell, i.e. waist movement cell window 52 and head movement cell window 51.
Fig. 3 has provided the assembly drowing of an embodiment of the utility model backrest skeleton hard ware.The backrest skeleton is a rectangular frame that is made of left side board 11, right side board 15, head rest crossbeam 13, first crossbeam 12, second crossbeam 10, the 3rd crossbeam 19, the 4th crossbeam 24 and 23 welding of the 5th crossbeam.There are two connectors to lean on 50 head rest slideway 14 on the head rest crossbeam.Between the 3rd crossbeam 19 and the 4th crossbeam 24 is the waist movement cell window, is the head movement cell window between first crossbeam 12 and second crossbeam 10.The snakelike plane spring of fixing by card 17 18 is arranged between second crossbeam 10 and the 3rd crossbeam 19.For the embodiment that does not have the head movement unit, also want the fixed pan spring between first crossbeam 12 and second crossbeam 10.
In order to connect waist, head movement unit, at guide rail beam 21 of horizontal fixed between the 3rd crossbeam 19 and the 4th crossbeam 24 and between first crossbeam 12 and second crossbeam 10, two guide rails 3 are parallel to each other, be distributed in guide rail beam 21 both sides, be fixed on the guide rail beam 21 along direction perpendicular to backrest skeleton plane.In Fig. 3, use bolt 6, packing ring 7, spring washer 8 and nut 9 guide rail 3 to be fixed on the lower surface of guide rail beam 21.Also can be by welding or other mode fixed guides 3.
Waist, head movement unit 47,48 have identical structure, they all are made up of the face shield of kinematic mechanism, the airfoam cushion that covers kinematic mechanism and parcel airfoam cushion, kinematic mechanism is connected by a slide rail crossbeam 33, with slide rail crossbeam 33 and forms with two guide rails, 3 cooresponding two one slide rails 1, slide rail 1 inserts in the guide rail 3, and steel ball 2 is between guide rail 3 and slide rail 1.Like this waist, head movement unit 47,48 can be along moving trippingly perpendicular to the direction on back of seat plane.On slide rail crossbeam 21, can also fix the backplate 16 that is converted into by bonding jumper, be presented at uniform 3 backplates 16, the side view of backplate 16 as can see from Figure 9 on the slide rail crossbeam among Fig. 3.In fact backplate 16 also can be other shape, for example rectangle.The effect of backplate 16 is in order to provide spacing for sheath 34 and 38.Backplate 16 can be connected with slide rail crossbeam 21 by modes such as welding, screw or riveted joints.Also sheath 34,38 directly can be fixed on the slide rail crossbeam 21, at this moment backplate 16 can be cancelled.
Fig. 3 has provided a kind of transmission embodiment that regulates waist movement unit and head movement unit.Adjusting shaft 4 is installed in window 52 and 51, between waist movement unit 47 and the adjusting shaft 4 and the gear drive between head movement unit 48 and the adjusting shaft 4 form by a transmission gear 20, a tooth bar 22 that is fixed on the slide rail crossbeam 33, transmission gear 20 is connected by key 25 with adjusting shaft 4, and tooth bar 22 is connected with slide rail crossbeam 21 by welding or screw.When slide rail 1 with after guide rail 3 combines, transmission gear 20 meshes with tooth bar 22 just, tooth bar 22 is parallel with slide rail 1.Rotate adjusting shaft 4, transmission gear 20 seesaws waist movement unit or head movement unit by tooth bar 22.
Referring to Fig. 4,5.In order to lock waist movement unit or head movement unit, between waist movement unit 47 and the adjusting shaft 4 and between head movement unit 48 and the adjusting shaft 4 stop gear is being arranged, it is by one and the adjusting shaft 4 key bonded assemblys second transmission gear 20a, a cooresponding row spacing hole 63 and the shifting fork mechanism between the second transmission gear 20a and spacing hole 63 are formed on the slide rail the crossbeam 33 and second transmission gear 20a position, shifting fork mechanism is by the shift fork axle bed 26 that is fixed on the guide rail beam 21, be installed in the declutch shift shaft 32 on the shift fork axle bed 26, form with the torsion spring 28 of shift fork axle key bonded assembly shift fork 29 and maintenance shift fork position, one end of shift fork 29 and second transmission gear 20a engagement, its other end inserts in the spacing hole 63.The second transmission gear 20a and transmission gear 20 are identical, have a round apart from the square hole 63 identical with tooth pitch on the cooresponding slide rail crossbeam 33 of this gear.Respectively having between 26, two the shift fork axle beds 26 of shift fork axle bed that are welded on the slide rail crossbeam 21 in the both sides of the second transmission gear 20a has through slot can hold the second transmission gear 20a.Nylon sleeve 31 is arranged in the axis hole of shift fork axle bed 26, and declutch shift shaft 32 is installed in the nylon sleeve 31.Shift fork 29 is connected with declutch shift shaft 32 through key 30.Torsion spring 28 is enclosed within on the declutch shift shaft 32, and is spacing by two position-limited levers 27, and shift fork 29 is kept and the second transmission gear 20a and spacing hole's 63 position engaged.When adjusting shaft 4 rotates, shift fork 29 is along with the rotation of the second transmission gear 20a, slide along the flank of tooth of gear in its upper end, do by tooth top at the bottom of the tooth, again by at the bottom of the tooth to the crank motion of tooth top, the motion that the lower end then threshes insertion, breaks away from spacing hole, thereby the reciprocation cycle of realization self-locking-unlatching-self-locking.This structure is carried out the unlatching of shift fork 29 and the synchronized movement of self-locking and tooth bar 22.Rotation adjusting shaft 4 gets final product the actuation movement unit, and the adjusting shaft 4 that stops the rotation promptly automatically locks moving cell.
A kind of concrete connection structure of adjusting shaft 4 and side plate 11 and 15 is referring to Fig. 7,8.Adjusting shaft 4 is connected with the left and right side plate of backrest skeleton by the nylon sleeve 5 that is positioned at two ends, ring groove 64 and two clamps 65 are arranged on nylon sleeve 5, a slotted hole that is pipe reducer is respectively arranged on left side board 11 and right side board 15, the aperture of this hole major part is bigger, the adjusting shaft 4 that allows to have the transmission gear 20 and the second transmission gear 20a inserts, so that assembling.Slotted hole microcephaly aperture is less, cooperates with the internal diameter of ring groove 64 on the nylon sleeve 5.For fixing nylon sleeve 5, can have step at slotted hole microcephaly endoporus, the fin 65 that has two outside spreadings in the outer rim of nylon sleeve 5, after the groove 64 of nylon sleeve 5 snaps in the slotted hole microcephaly, fin 65 on the nylon sleeve 5 just in time withstands on slotted hole microcephaly's the step, makes adjusting shaft 4 lockings.Knob 36 is connected with the termination of adjusting shaft 4 by key 43.All there is knob 36 at the two ends of adjusting shaft 4, are convenient to occupant's operation.
Fig. 6 is the front elevation of back of seat, and it provides the slice location of each section-drawing.
For the ease of at the outside airfoam cushion that covers of the kinematic mechanism of moving cell, there is a sheath 34 to be enclosed within the kinematic mechanism outside of waist movement unit, a sheath 38 is enclosed within the kinematic mechanism outside of head movement unit.Sheath can be enclosed within slide rail crossbeam 21 bonded assembly backplates 16 on realize the location, can not want backplate 16 yet and directly be fixed on the slide rail crossbeam 21.
Fig. 9 is the D-D section of Fig. 6, shown a kind of head movement unit embodiment have packed layer and lining the time the complete structure state.The section of waist movement unit is also identical with it.This is a kind of structure that has backplate 16.Backplate 16 is the polygons that laths of metal is converted into, and the bottom is a rectangle, is positioned at below the slide rail crossbeam 21, and anterior protruding certain height makes the height of backplate 16 match with the inner chamber height of sheath 34 and 38.Backplate 16 can be 2 to 3, is distributed on the slide rail crossbeam, with slide rail crossbeam firm welding.Sheath 34 and 38 can be made by non-metallic materials such as plastics, is enclosed within on the backplate 16, and its rear portion bending is pressed into buckle 44 in the hole at backplate 16 rear portions.The airfoam cushion 39 of forming covers on the sheath, and face shield 40 is wrapped in the outside of airfoam cushion 39.
Figure 10 is the E-E section of Fig. 6, has shown the complete section after back of seat fixed cell 49 right side boards 15 coat lining.The 35th, airfoam cushion, face shield 46 is wrapped in the outside of airfoam cushion 35, draws button 46 lockings by nylon.The airfoam cushion and the face shield that in Fig. 6 and Fig. 7, have also shown local covering, wherein, 35,39 and 41 all is airfoam cushion, 37,40 and 42 all is face shield.The face shield of each several part can draw padlock tight with nylon.
Figure 11 provides the back of seat embodiment with different stop gears with Figure 12.The difference of this structure and structure shown in Figure 3 mainly be stop gear not with the regulating mechanism interlock, regulate respectively.One end of the adjusting shaft 59 of actuation movement unit still is fixed on the side plate 15, and the other end is fixed on the guide rail beam 21 by nylon sleeve 62 and support 58.A transmission gear 20 and tooth bar 22 engagements that are fixed on the guide rail beam 21 are being arranged on the adjusting shaft 59.Stop gear is made up of the row of one on limit shaft 57, the shift fork 55 that is fixed on limit shaft 57 1 ends, spring 56 and the slide rail crossbeam 33 spacing hole 63.Limit shaft 57 1 ends are fixing by the nylon sleeve on the left side board 5, and the other end is fixing by the support 61 that is fixed on the guide rail beam 21 by nylon sleeve 62.Spring 56 makes shift fork 55 be in the state that inserts spacing hole 63.Limit shaft 57 stretches out the termination of left side board 11 and is fixing a knob.In order to provide installing space to stop gear, in the middle of the slide rail 54 on the left side will rely on the slide rail crossbeam 33, correspondingly, the position that is fixed on the guide rail 60 on the guide rail beam 21 was also corresponding consistent with the position of slide rail 54.The structure of Figure 11 is when the adjusting motion unit, and rotation left side knob makes shift fork 55 break away from spacing hole 63 earlier, keeps this state, and the position of rotation knob adjusting motion unit, right side is unclamped the left side knob then and made shift fork 55 enter spacing hole 63, the lock motion unit.
Claims (6)
1, a kind of anti-tired motor vehicle seat back, comprise a backrest skeleton that forms by left and right side plate, perpendicular to the crossbeam welding of side plate with backrest bonded assembly head rest [50],, be fixed on plane spring on the backrest skeleton, cover the airfoam cushion of backrest skeleton and wrap up the backrest face shield of airfoam cushion, it is characterized in that
(1) at back of seat and the cooresponding position of sitting posture human body waist a window [52] that holds waist movement unit [47] is arranged, a guide rail beam of horizontal fixed [21] in window [52], two guide rails [3] are fixed on the guide rail beam [21] along the direction perpendicular to window [52], the adjusting shaft [4] that a horizontal positioned is arranged in window [52], its two ends pass from the side of back of seat, be connected with adjusting knob [36] respectively
(2) a waist movement unit [47] is arranged in window [52], it is made up of the face shield of kinematic mechanism, the airfoam cushion that covers kinematic mechanism and parcel airfoam cushion, kinematic mechanism by a slide rail crossbeam [33], be connected with slide rail crossbeam [33] and form with cooresponding two one slide rails of two guide rails [3] [1], slide rail [1] inserts in the guide rail [3], waist movement unit [47] can be along moving perpendicular to the direction on back of seat plane
(3) between waist movement unit [47] and adjusting shaft [4], a gear drive is arranged,
(4) between waist movement unit [47] and adjusting shaft [4], a stop gear is arranged.
2, anti-tired back of seat according to claim 1 is characterized in that,
(1) at back of seat and the cooresponding position of sitting posture human body shoulder a window (51) that holds head movement unit [48] is arranged, a guide rail beam of horizontal fixed [21] in window [51], two guide rails [3] are fixed on the guide rail beam [21] along the direction perpendicular to window [51], the adjusting shaft [4] that a horizontal positioned is arranged in window [51], its two ends pass from the side of back of seat, be connected with adjusting knob [36]
(2) a head movement unit [48] is arranged in window [51], it is made up of the face shield of kinematic mechanism, the airfoam cushion that covers kinematic mechanism and parcel airfoam cushion, kinematic mechanism by a slide rail crossbeam [33], be connected with slide rail crossbeam [33] and form with cooresponding two one slide rails of two guide rails [3] [1], slide rail [1] inserts in the guide rail [3], head movement unit [48] can be along moving perpendicular to the direction on back of seat plane
(3) between head movement unit [47] and adjusting shaft [4], gear drive is arranged,
(4) between head movement unit [47] and adjusting shaft [4], stop gear is arranged.
3, anti-tired back of seat according to claim 1 and 2, it is characterized in that, said backrest skeleton is by left side board [11], right side board [15], head rest crossbeam [13], first crossbeam [12], second crossbeam [10], the 3rd crossbeam [19], the 4th crossbeam [24] and the 5th crossbeam [23] welding constitute, between second crossbeam [10] and the 3rd crossbeam [19], be fixed with plane spring [18], at a guide rail beam of horizontal fixed [21] between the 3rd crossbeam [19] and the 4th crossbeam [24] and between first crossbeam [12] and second crossbeam [10], two guide rails [3] are parallel to each other, and are fixed on the guide rail beam [21] along the direction perpendicular to backrest skeleton plane.
4, anti-tired back of seat according to claim 3 is characterized in that,
(1) between said waist movement unit [47] and the adjusting shaft [4] and the gear drive between head movement unit [48] and the adjusting shaft [4] form with adjusting shaft [4] key bonded assembly transmission gear [20], a tooth bar [22] that is fixed on the slide rail crossbeam [33] by one, when slide rail [1] with after guide rail [3] combines, lucky and tooth bar [22] engagement of transmission gear [20]
(2) between said waist movement unit [47] and the adjusting shaft [4] and the stop gear between head movement unit [48] and the adjusting shaft [4] by one with adjusting shaft [4] key bonded assembly second transmission gear [20a], be positioned at slide rail crossbeam [33] go up with the cooresponding row spacing hole [63] in second transmission gear [20a] position and be positioned at second transmission gear [20a] and spacing hole [63] between the shifting fork mechanism composition, shifting fork mechanism is by the shift fork axle bed [26] that is fixed on the guide rail beam [21], be installed in the declutch shift shaft [32] on the shift fork axle bed [26], form with the torsion spring [28] of shift fork axle key bonded assembly shift fork [29] and maintenance shift fork position, one end of shift fork [29] and second transmission gear [20a] engagement, its other end inserts in the spacing hole [63].
5, anti-tired back of seat according to claim 4, it is characterized in that, said adjusting shaft [4] is connected with the left and right side plate of backrest skeleton by the nylon sleeve [5] that is positioned at two ends, ring groove [64] is arranged on nylon sleeve [5], on left side board [11] and right side board [15], slotted hole is arranged, the adjusting shaft [4] that the aperture of this Kong Yiduan allows to have transmission gear [20] inserts, and the slotted hole other end cooperates with ring groove on the nylon sleeve [5].
6, anti-tired back of seat according to claim 5 is characterized in that, is fixing backplate [16] on slide rail crossbeam [33].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99214157 CN2372184Y (en) | 1999-06-10 | 1999-06-10 | Fatigue-proof seat back-rest for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99214157 CN2372184Y (en) | 1999-06-10 | 1999-06-10 | Fatigue-proof seat back-rest for car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2372184Y true CN2372184Y (en) | 2000-04-05 |
Family
ID=34006393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99214157 Expired - Fee Related CN2372184Y (en) | 1999-06-10 | 1999-06-10 | Fatigue-proof seat back-rest for car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2372184Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411568C (en) * | 2001-11-02 | 2008-08-20 | L&P产权管理公司 | Apparatus and method for lumbar support with variable apex |
| CN100554033C (en) * | 2006-06-15 | 2009-10-28 | 株式会社塔捷斯 | The repair component of seat |
| CN101107150B (en) * | 2005-01-18 | 2010-05-19 | 日本发条株式会社 | Vehicular seat |
| CN102205809A (en) * | 2010-03-30 | 2011-10-05 | 日本发条株式会社 | Vehicle seatback and a vehicle seat employing the same |
| CN107187360A (en) * | 2017-07-18 | 2017-09-22 | 郭凯文 | A kind of four seasons seat |
| CN107199929A (en) * | 2017-05-25 | 2017-09-26 | 东风江森汽车座椅有限公司 | The motor vehicle seat back of detachable waist support |
-
1999
- 1999-06-10 CN CN 99214157 patent/CN2372184Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411568C (en) * | 2001-11-02 | 2008-08-20 | L&P产权管理公司 | Apparatus and method for lumbar support with variable apex |
| CN101107150B (en) * | 2005-01-18 | 2010-05-19 | 日本发条株式会社 | Vehicular seat |
| CN100554033C (en) * | 2006-06-15 | 2009-10-28 | 株式会社塔捷斯 | The repair component of seat |
| CN102205809A (en) * | 2010-03-30 | 2011-10-05 | 日本发条株式会社 | Vehicle seatback and a vehicle seat employing the same |
| CN102205809B (en) * | 2010-03-30 | 2015-07-29 | 日本发条株式会社 | Vehicle seat back and the seat being provided with vehicle seat back |
| CN107199929A (en) * | 2017-05-25 | 2017-09-26 | 东风江森汽车座椅有限公司 | The motor vehicle seat back of detachable waist support |
| CN107187360A (en) * | 2017-07-18 | 2017-09-22 | 郭凯文 | A kind of four seasons seat |
| CN107187360B (en) * | 2017-07-18 | 2023-06-20 | 郭凯文 | Four seasons seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |