Vehicle seats

Abstract

The problem to be solved by the present invention is to provide a vehicle seat that can reliably tear the seat back cover when the side airbag expands laterally or even upward. In order to solve the above problem, a vehicle seat 1 is provided, which includes: a first reinforcing lining cloth 6 provided in the side portion 5 of the seat back 2; and a second reinforcing lining cloth 7 provided in the side portion 5 of the seat back 2 in a manner overlapping the first reinforcing lining cloth 6 from the outside. The first reinforcing lining cloth 6 and the second reinforcing lining cloth 7 form a pocket 16 that accommodates the side airbag device and opens at the bottom. The pocket 16 has a reinforcing lining cloth sewing portion 17, and the end edges of the first reinforcing lining cloth 6 and the second reinforcing lining cloth 7 of the reinforcing lining cloth sewing portion 17 are sewn to each other. The reinforcing lining cloth sewing portion 17 sews the skins of the seat back cover 4 constituting the skin of the seat back 2 in a skin sewing portion in which the first reinforcing lining cloth 6 overlaps one skin and the second reinforcing lining cloth 7 overlaps the other skin.

Description

Technical Field

[0001] The present invention relates to a vehicle seat equipped with a side airbag. Background Art

[0002] In the invention described in Patent Document 1 below, a reinforcing lining cloth composed of a first reinforcing lining cloth and a second reinforcing lining cloth is provided so as to surround the periphery of a side airbag device provided in a shoulder opening of a seat back. The first reinforcing lining cloth is formed into a wide head shape that is wider from a pair of fixed edges toward sewn edges in an expanded state. The second reinforcing lining cloth is formed into a strip shape that is narrower than the sewn edges in an expanded state.

[0003] The first reinforcing lining cloth extends from a fixed edge mounted on the seat back frame side, toward the deployment direction of the airbag body in the side airbag device, that is, the front skin side and the side skin side of the door side side portion, and is sewn together with the sewing portion between the front skin and the side skin at a sewing edge wider than the fixed edge. The second reinforcing lining cloth extends from a fixed edge fixed to a fixing part, along the outer side of the first reinforcing lining cloth, toward the front skin side and the side skin side of the door side side portion, and is sewn together with the sewing portion between the front skin and the side skin.

[0004] With this structure, in the vehicle seat described in Patent Document 1, when the airbag body of the side airbag device is deployed at a position slightly offset from the tearing start point of the sewn portion, the sewn portion can be torn when the expansion pressure is applied to this portion. That is, in the vehicle seat described in Patent Document 1, even if the deployment direction of the airbag body is deviated during the operation of the side airbag device, the seat back cover can be reliably torn.

[0005] [Prior technical literature]

[0006] (Patent Document)

[0007] Patent Document 1: Japanese Patent No. 4544089 Summary of the invention

[0008] [Problems to be solved by the invention]

[0009] In the past, the combination of the first reinforcing lining cloth and the second reinforcing lining cloth can transfer the energy of the airbag body when it expands laterally to the tearing origin. However, in the past, since the upper part of the side airbag device is not covered with the reinforcing lining cloth, the energy of the airbag body when it expands upward cannot be fully transferred to the tearing origin.

[0010] An object of the present invention is to provide a vehicle seat capable of reliably tearing a seat back cover when a side airbag of a side airbag device expands laterally or upward.

[0011] [Technical means to solve the problem]

[0012] (1) The present invention is a vehicle seat, comprising a side airbag device, and comprising: a first reinforcing lining cloth disposed in a side portion of a seat back; and a second reinforcing lining cloth disposed in a side portion of the seat back and disposed on the first reinforcing lining cloth in a manner overlapping from the outside; and a pocket portion which accommodates the side airbag device and is open at a lower side is formed by the first reinforcing lining cloth and the second reinforcing lining cloth, the pocket portion having a reinforcing lining cloth sewing portion, wherein end edges of the first reinforcing lining cloth and the second reinforcing lining cloth of the reinforcing lining cloth sewing portion are sewn to each other, and the reinforcing lining cloth sewing portion is used to sew the skins of the seat back constituting the skin of the seat back to each other in a state where the first reinforcing lining cloth overlaps one of the skins and the second reinforcing lining cloth overlaps the other skin.

[0013] (2) The present invention may be such that, in the above (1), the first reinforcing lining cloth and the second reinforcing lining cloth are different in size, and the larger of the first reinforcing lining cloth and the second reinforcing lining cloth has a fixing point for fixing the larger lining cloth to the seat back frame in an area where the pocket portion is not formed, on an end edge side of the larger lining cloth except for an end edge side on the skin sewn portion side.

[0014] (3) The present invention may be such that, in the above (1) or (2), the first reinforcing lining cloth and the second reinforcing lining cloth are different in size, and on the smaller of the first and second reinforcing lining cloths, the edge of the pocket opening is inclined upward as it moves toward the rear.

[0015] (4) The present invention may be such that, in the above (1), an inflator is provided in a side portion of the seat back, and an air blowing port of the inflator is inserted into the bag portion through an opening of the bag portion.

[0016] (5) The present invention may also be that in the above (1), a first stitched portion is formed on the side of the first reinforcing lining cloth opposite to the side of the epidermis stitched portion, a second stitched portion is formed on the side of the second reinforcing lining cloth opposite to the side of the epidermis stitched portion, and the bag portion has the reinforcing lining cloth stitched portion and a stitched portion stitching the first stitched portion and the second stitched portion.

[0017] (6) The present invention may be such that, in the above (5), the opening of the bag portion is sewn with a reinforcing fabric portion.

[0018] (Effects of the Invention)

[0019] According to the present invention, it is possible to provide a vehicle seat in which a seat back cover can be reliably torn when a side airbag of a side airbag device is inflated laterally or upward. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic perspective view showing a seat back of a vehicle seat according to an embodiment of the present invention.

[0021] Figure 2 It is a schematic side view showing the interior of a seat back of a vehicle seat according to an embodiment of the present invention.

[0022] Figure 3 This is a schematic cross-sectional view showing the stitching between the reinforcing lining and the seat back cover.

[0023] Figure 4 This is an explanatory diagram showing the unfolded state of the reinforcing lining cloth.

[0024] Figure 5 This is an explanatory diagram showing a reinforcing cloth used for a vehicle seat according to another embodiment of the present invention.

[0025] Figure 6 It is shown Figure 5 A schematic three-dimensional diagram of the process of sewing the reinforcement lining to the seat back cover. DETAILED DESCRIPTION

[0026] Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.

[0027] Figure 1 and Figure 2 FIG. 1 is a diagram showing a seat back of a vehicle seat according to an embodiment of the present invention. Figure 1 This is a rough three-dimensional diagram. Figure 2 The vehicle seat 1 of the present embodiment is a seat of an automobile and includes a seat cushion (not shown) as a seat surface and a seat back 2 provided at a rear end portion of the seat cushion so as to be tiltable forward and backward.

[0028] The seat cushion is a conventionally known structure, in which a cushion pad covered with a skin material is placed on a frame. The seat cushion is provided to be detachable from the vehicle body.

[0029] The seat back 2 is a backrest portion, and includes a seat back frame 3, a seat back cushion (not shown) covering the seat back frame 3, and a seat back cover 4 covering the seat back cushion. The seat back frame 3 is a frame of the seat back 2, and is formed of, for example, a metal material. The seat back cushion is a cushion pad, and is formed of, for example, a foamed body such as polyurethane foam. The seat back cover 4 is a member constituting the cover of the seat back 2, and is formed of, for example, leather.

[0030] The seat back 2 is formed so that left and right side portions 5, 5 bulge forward from a center portion in the left-right direction, which is the width direction of the vehicle. A side airbag device (not shown) is provided in the side portion 5 located on the center console side of the seat back 2.

[0031] Therefore, the vehicle seat 1 including the side airbag device of the present embodiment includes the first reinforcing lining cloth 6 and the second reinforcing lining cloth 7 provided in the side portion 5 located on the center console side of the seat back 2 . Figure 3 This is a schematic cross-sectional view showing the stitching between the reinforcing lining and the seat back cover. Figure 4 This is an explanatory diagram showing the unfolded state of the reinforcing lining cloth.

[0032] In the vehicle seat 1 of the present embodiment, the first reinforcing lining cloth 6 and the second reinforcing lining cloth 7 are different in size. In the example shown in the figure, the first reinforcing lining cloth 6 is formed larger than the second reinforcing lining cloth 7.

[0033] The first reinforcing lining cloth 6 is a seat-shaped substantially rectangular shape in a side view that is elongated in the vertical direction, and is generally shaped such that the substantially central portion in the vertical direction is bent backward. The first reinforcing lining cloth 6 has an end edge portion 8 located at the front side (hereinafter referred to as the front end edge portion), an end edge portion 9 located at the rear side (hereinafter referred to as the rear end edge portion), an end edge portion 10 connecting the upper end portion of the front end edge portion 8 and the upper end portion of the rear end edge portion 9 (hereinafter referred to as the upper end edge portion), and an end edge portion 11 connecting the lower end portion of the front end edge portion 8 and the lower end portion of the rear end edge portion 9 (hereinafter referred to as the lower end edge portion). The first reinforcing lining cloth 6 is arranged in a manner such that the length direction is along the vertical direction in the side portion 5 located on the center console side of the seat back 2.

[0034] The second reinforcing lining cloth 7 is a substantially rectangular seat shape in a side view, and its length in the vertical direction is shorter than that of the first reinforcing lining cloth 6. Figure 2 As described above, the second reinforcing lining cloth 7 is provided in a manner overlapping the first reinforcing lining cloth 6 from the outside. In this overlapping state, if the front-back direction of the second reinforcing lining cloth 7 is specified, the second reinforcing lining cloth 7 is as follows: Figure 4 The present invention comprises: an end edge portion 12 located at the front side (hereinafter referred to as the front end edge portion), an end edge portion 13 located at the rear side (hereinafter referred to as the rear end edge portion), an end edge portion 14 connecting the upper end portion of the front end edge portion 12 and the upper end portion of the rear end edge portion 13 (hereinafter referred to as the upper end edge portion), and an end edge portion 15 connecting the lower end portion of the front end edge portion 12 and the lower end portion of the rear end edge portion 13 (hereinafter referred to as the lower end edge portion). In addition, in the present embodiment, the upper portion of the rear end edge portion 9 of the first reinforcing lining cloth 6 is connected to the rear end edge portion 13 of the second reinforcing lining cloth 7. That is, the first reinforcing lining cloth 6 and the second reinforcing lining cloth 7 are formed by one piece of cloth.

[0035] The first reinforcing lining cloth 6 and the second reinforcing lining cloth 7 form a pocket portion 16 that is open downward. Specifically, in a state where the first reinforcing lining cloth 6 and the second reinforcing lining cloth 7 overlap, the upper portion of the front side edge portion 8 of the first reinforcing lining cloth 6 and the front side edge portion 12 of the second reinforcing lining cloth 7, and the upper side edge portion 10 of the first reinforcing lining cloth 6 and the upper side edge portion 14 of the second reinforcing lining cloth 7 are sewn, and the lower side edge portions 15 of the first reinforcing lining cloth 6 and the second reinforcing lining cloth 7 are not sewn, thereby forming a pocket portion 16 that is substantially rectangular in a side view and is open downward. The pocket portion 16 formed in this way has a reinforcing lining cloth sewn portion 17 where the end portions of the first reinforcing lining cloth 6 and the second reinforcing lining cloth 7 are sewn to each other. The side airbag device is accommodated in the pocket portion 16 through the opening 18 facing downward. In this embodiment, the first reinforcing lining cloth 6 and the second reinforcing lining cloth 7 are formed of one piece of cloth, but the first reinforcing lining cloth and the second reinforcing lining cloth may be formed of different cloths. In this case, the end edges of the first reinforcing lining cloth and the second reinforcing lining cloth are sewn together to form a bag portion having an opening facing downward.

[0036] In the vehicle seat 1 of the present embodiment, the lower edge 15 of the second reinforcing lining cloth 7 is inclined upward toward the rear when the first reinforcing lining cloth 6 and the second reinforcing lining cloth 7 are overlapped. Therefore, in the second reinforcing lining cloth 7, the edge 19 of the pocket 16 opening is inclined upward toward the rear.

[0037] like Figure 1 and Figure 3 As described above, in the side portion 5 located on the center console side of the seat back 2, the seat back cover 4 includes a first cover 20 covering the front side of the seat back 2, and a second cover 21 covering from the lateral side to the rear side of the seat back 2, and a cover stitching portion 22 is formed where the first cover 20 and the second cover 21 are stitched together. In this way, the front side of the side portion 5 located on the center console side of the seat back 2 forms a cover stitching portion 22 where the covers of the seat back cover 4 are stitched together.

[0038] As described above, the side airbag device is accommodated in the pocket portion 16, and therefore, the reinforcing lining cloth sewn portion 17 overlaps with the skin sewn portion 22 so that the side airbag of the side airbag device in the side portion 5 of the seat back 2 can be expanded to the outside when it is deployed. Specifically, the front side portion of the reinforcing lining cloth sewn portion 17, which is a part of the end edge portions of the first reinforcing lining cloth 6 and the second reinforcing lining cloth 7, is sewn to each other in the skin sewn portion 22 where the skins of the seat back skin 4 are sewn to each other, in a state where the end portion of the first skin 20, which is one of the skins, overlaps with the front side end edge portion 8 of the first reinforcing lining cloth 6, and the end portion of the second skin 21, which is the other skin, overlaps with the front side end edge portion 12 of the second reinforcing lining cloth 7.

[0039] like Figure 2As described above, in the region 23 where the pocket 16 is not formed in the first reinforcing lining cloth 6, the first reinforcing lining cloth 6 has a fixing point 24 for fixing the first reinforcing lining cloth 6 to the seat back frame 3 on the side of the end portion other than the side of the end portion on the side of the skin stitching portion 22. In the present embodiment, in the aforementioned region 23, the first reinforcing lining cloth 6 has a fixing point 24 on the side of the lower side end portion 11 or the side of the rear side end portion 9 other than the side of the front side end portion 8. For example, Figure 2 As described above, the rear side of the lower end of the first reinforcing lining cloth 6 has a fixing point 24. The first reinforcing lining cloth 6 is fixed to the seat back frame 3 at the fixing point 24. At this time, the first reinforcing lining cloth 6 can be fixed to the seat back frame 3 by bolts and nuts, or can be fixed to the seat back frame 3 by fastening with a clip. In addition, in the example shown in the figure, the fixing point 24 is set to one, but it is not limited to this, and it can also be multiple.

[0040] like Figure 2 As described above, an inflator 25 is arranged in the side portion 5 on the center console side of the seat back 2. The inflator 25 is fixed to the seat back frame 3. In this fixed state, the blowing port 26 of the inflator 25 is inserted into the bag portion 16 from the opening 18 of the bag portion 16.

[0041] In the case of the vehicle seat 1 of the present embodiment, the side airbag device is accommodated in the pocket portion 16 formed by the first reinforcing lining cloth 6 and the second reinforcing lining cloth 7. In addition, the reinforcing lining cloth sewn portion 17 where the first reinforcing lining cloth 6 and the second reinforcing lining cloth 7 are sewn overlaps with the skin sewn portion 22 where the skins of the seat back skin 4 are sewn to each other. Therefore, the vehicle seat 1 of the present embodiment can absorb not only the force applied in the lateral direction when the side airbag is deployed, but also the force applied in the upward direction, and the absorbed force is concentrated to the portion where the reinforcing lining cloth sewn portion 17 and the skin sewn portion 22 overlap, so that the seat back skin 4 is smoothly torn when the side airbag is deployed.

[0042] Furthermore, in the case of the vehicle seat 1 of the present embodiment, in the region 23 where the pocket 16 of the first reinforcing lining cloth 6 is not formed, there is a fixing point 24 for fixing the first reinforcing lining cloth 6 to the seat back frame 3 on the lower side edge 11 side or the rear side edge 9 side of the first reinforcing lining cloth 6. Therefore, in the vehicle seat 1 of the present embodiment, the force of the expansion of the side airbag absorbed by the pocket 16 can be transmitted to the overlapping portion of the reinforcing lining cloth sewn portion 17 and the skin sewn portion 22 without omission.

[0043] In the case of the vehicle seat 1 of the present embodiment, the end edge 19 of the opening of the pocket 16 in the second reinforcing lining cloth 7 is inclined upward as it goes toward the rear. That is, the end edge (front end edge 12) on the side of the skin stitching portion 22 in the second reinforcing lining cloth 7 is formed longer in the vertical direction than the rear end edge 13 of the second reinforcing lining cloth 7. Therefore, in the vehicle seat 1 of the present embodiment, the size of the second reinforcing lining cloth 7 to be used can be minimized while improving the efficiency of transmitting force when the seat back 2 expands.

[0044] Furthermore, in the case of the vehicle seat 1 of the present embodiment, the gas blowing port 26 of the inflator 25 is inserted into the pocket portion 16. Therefore, in the vehicle seat 1 of the present embodiment, the air blown out from the gas blowing port 26 of the inflator 25 hits the pocket portion 16, and thus the seat back cover 4 can be torn more reliably.

[0045] Next, other embodiments of the vehicle seat of the present invention will be described. Figure 5 This is an explanatory diagram showing a reinforcing cloth used for a vehicle seat according to another embodiment of the present invention. Figure 6 It is shown Figure 5 A schematic three-dimensional diagram of the process of sewing the reinforcement lining and the seat back cover, showing the state viewed from the rear. Figure 6 The intermediate process of forming the bag portion is shown. In addition, in this embodiment, the characteristic part is described, and the matters described in the above embodiment are omitted.

[0046] In this embodiment, the structure of the reinforcing lining cloth is different from that of the previous embodiment. Figure 5 and Figure 6 As described above, a first stitching portion 27 is formed on the side of the first reinforcing lining cloth 6 opposite to the epidermis stitching portion 22. The first stitching portion 27 is a cloth that is roughly rectangular in side view, and is formed to extend rearward to the upper part of the rear side edge portion 9 of the first reinforcing lining cloth 6. In the present embodiment, the first reinforcing lining cloth 6 and the first stitching portion 27 are formed by a single piece of cloth, but they may also be formed by different cloths. A second stitching portion 28 is formed on the side of the second reinforcing lining cloth 7 opposite to the epidermis stitching portion 22. The second stitching portion 28 is a cloth that is roughly rectangular in side view, and is formed to extend rearward to the rear side edge portion 13 of the second reinforcing lining cloth 7. In the present embodiment, the second reinforcing lining cloth 7 and the second stitching portion 28 are formed by a single piece of cloth, but they may also be formed by different cloths.

[0047] By the first reinforcing lining cloth 6 forming the first sewn portion 27 and the second reinforcing lining cloth 7 forming the second sewn portion 28, the pocket portion 16 opened downward is formed in the same manner as in the above-mentioned embodiment. When forming this pocket portion 16, in a state where the first reinforcing lining cloth 6 and the second reinforcing lining cloth 7 and the first sewn portion 27 and the second sewn portion 28 overlap, the upper portion of the front side edge portion 8 of the first reinforcing lining cloth 6 and the front side edge portion 12 of the second reinforcing lining cloth 7, and the upper side edge portion 10 of the first reinforcing lining cloth 6 and the upper side edge portion 14 of the second reinforcing lining cloth 7 are sewn, and at the same time, the first sewn portion 27 and the second sewn portion 28 are sewn in a manner that the rear side seam is in the up-down direction. Therefore, the pocket portion 16 includes the reinforcing lining cloth sewn portion 17 where the end portions of the first reinforcing lining cloth 6 and the second reinforcing lining cloth 7 are sewn to each other, and the sewn portion 29 where the seam is in the up-down direction.

[0048] In addition, when the pocket portion 16 is formed, similarly to the case of the above-described embodiment, the upper portion of the front side edge portion 8 of the first reinforcing lining cloth 6 and the front side edge portion 12 of the second reinforcing lining cloth 7 are sewn together and overlap with the skin sewing portion 22. That is, the upper portion of the front side edge portion 8 of the first reinforcing lining cloth 6 and the front side edge portion 12 of the second reinforcing lining cloth 7 are sewn together in a state where the end portion of the first skin 20 as one of the skins overlaps the front side edge portion 8 of the first reinforcing lining cloth 6, and the end portion of the second skin 21 as the other skin overlaps the front side edge portion 12 of the second reinforcing lining cloth 7.

[0049] In addition, in this embodiment, the structure of the bag portion 16 is different from that of the above-mentioned embodiment. Figure 6 As described above, the reinforcing cloth portion 30 made of cloth is sewn to the opening 18 facing downward of the bag portion 16. Specifically, the reinforcing cloth portion 30 is sewn to the outside of the portion formed by the second reinforcing lining cloth 7 and the second sewn portion 28 in the opening 18 of the bag portion 16. That is, the strip-shaped reinforcing cloth portion 30 is sewn from the second reinforcing lining cloth 7 to the second sewn portion 28 at the lower end of the second reinforcing lining cloth 7 and the lower end of the second sewn portion 28. In addition, the reinforcing cloth portion (not shown) is sewn to the outside of the portion formed by the first reinforcing lining cloth 6 and the first sewn portion 27 in the opening 18 of the bag portion 16.

[0050] In the present embodiment, the reinforcing cloth portion is provided at the portion formed by the first reinforcing lining cloth 6 and the first stitched portion 27, and the reinforcing cloth portion 30 is provided at the portion formed by the second reinforcing lining cloth 7 and the second stitched portion 28, but the reinforcing cloth portion provided at the portion formed by the first reinforcing lining cloth 6 and the first stitched portion 27 may be integrated with the reinforcing cloth portion 30 provided at the portion formed by the second reinforcing lining cloth 7 and the second stitched portion 28. In addition, in the present embodiment, the reinforcing cloth portion is provided outside the portion formed by the first reinforcing lining cloth 6 and the first stitched portion 27, and the reinforcing cloth portion 30 is provided outside the portion formed by the second reinforcing lining cloth 7 and the second stitched portion 28, but the reinforcing cloth portion may be provided inside the portion formed by the first reinforcing lining cloth 6 and the first stitched portion 27, and the reinforcing cloth portion may be provided inside the portion formed by the second reinforcing lining cloth 7 and the second stitched portion 28.

[0051] In the case of this embodiment, when forming the pocket 16, the first sewn portion 27 and the second sewn portion 28 are sewn together at the rear side of the pocket 16. Therefore, the reinforcing lining cloths can be easily sewn together, and the pocket 16 can be easily formed.

[0052] Furthermore, in the present embodiment, the reinforcing fabric portion is provided so as to surround the opening 18 of the pocket portion 16. Therefore, when the side airbag device in the pocket portion 16 is deployed, the load is concentrated on the lower portion of the pocket portion 16 and the reinforcing fabric is prevented from being broken.

[0053] In addition, the present invention is not limited to the above-mentioned embodiments, and modifications and improvements within the scope that can achieve the object of the present invention are included in the present invention.

[0054] For example, in the above-mentioned embodiments, the first reinforcing lining cloth 6 is formed larger than the second reinforcing lining cloth 7. On the contrary, the second reinforcing lining cloth may be formed larger than the first reinforcing lining cloth. In this case, the second reinforcing lining cloth has a fixed point. In addition, in the first reinforcing lining cloth, the end edge of the bag opening is inclined upward as it moves toward the rear.

[0055] Reference numerals

[0056] 1: Vehicle seats

[0057] 2: Seat back

[0058] 3: Seat back frame

[0059] 4: Seat back cover

[0060] 5: Side

[0061] 6: First reinforcement lining

[0062] 7: Second reinforcement lining

[0063] 16: Bag

[0064] 17: Reinforced lining stitching

[0065] 18: Opening

[0066] 19: End edge

[0067] 22: Epidermal suture

[0068] 23: Area

[0069] 24: Fixed point

[0070] 25: Inflator

[0071] 26: Blowing port

[0072] 27: First suture section

[0073] 28: Second suture

[0074] 29: Suture

[0075] 30: Reinforcement fabric

Claims

1. A vehicle seat, comprising a side airbag device, and comprising: A first reinforcing lining cloth is disposed in a side portion of the seat back; and A second reinforcing lining cloth is disposed in a side portion of the seat back and is disposed on the first reinforcing lining cloth in an overlapping manner from the outside; and The first reinforcing lining cloth and the second reinforcing lining cloth form a bag portion that accommodates the side airbag device and opens downward. The bag portion has a reinforcement lining cloth sewing portion, in which the end edges of the first reinforcement lining cloth and the second reinforcement lining cloth are sewn together. The reinforcing lining cloth sewing portion is a skin sewing portion for sewing the skins of the seat back that constitute the skin of the seat back, and the skins are sewn together in a state where the first reinforcing lining cloth overlaps one of the skins and the second reinforcing lining cloth overlaps the other skin.

2. The vehicle seat according to claim 1, wherein: The first reinforcing lining cloth and the second reinforcing lining cloth have different sizes. The larger one of the first reinforcing lining cloth and the second reinforcing lining cloth has a fixing point for fixing the larger lining cloth to the seat back frame in an area where the pocket portion is not formed, on the end edge side of the larger lining cloth except for the end edge side on the surface sewn portion side.

3. The vehicle seat according to claim 1 or 2, wherein: The first reinforcing lining cloth and the second reinforcing lining cloth have different sizes. In the smaller lining cloth of the first reinforcing lining cloth and the second reinforcing lining cloth, the end edge of the pocket opening is inclined upward as it goes toward the rear.

4. The vehicle seat according to claim 1, wherein: An inflator is provided in the side portion of the seat back. The blowing port of the inflator is inserted into the bag portion from the opening of the bag portion.

5. The vehicle seat according to claim 1, wherein: A first stitching portion is formed on the first reinforcing lining cloth on the side opposite to the skin stitching portion. A second stitching portion is formed on the second reinforcing lining cloth on the side opposite to the skin stitching portion. The bag portion includes the reinforcing lining cloth sewn portion and a sewn portion that sews the first sewn portion and the second sewn portion.

6. The vehicle seat according to claim 5, wherein: The opening of the bag portion is sewn with a reinforcement cloth portion.

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