JP2019098876A - Vehicle seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the mountability of an elastic member for reducing vibration transmitted from an actuator to a frame member. A seat S is provided between a pad U that supports an occupant, a side frame 12 that abuts on the pad U, an actuator 50 that is attached to the side frame 12, and a side frame 12 and the actuator 50. An elastic member 52 that abuts on each of the frame 12 and the actuator 50 is provided. The elastic member 52 extends toward the actuator 50 and has a covering portion 52C that covers a part of the actuator 50. [Selection diagram] FIG. 4

Description

  The present invention relates to a vehicle seat provided with an actuator, and more particularly to a vehicle seat capable of suppressing vibration transmission from the actuator.

  Some vehicle seats are provided with a reclining mechanism that tilts the seat back with respect to the seat cushion. For example, Patent Document 1 discloses a mechanism that causes an actuator to rotate a reclining shaft that is inserted into a side frame of a seatback.

JP, 2016-166020, A

  By the way, in the invention according to the above-mentioned prior art, when the actuator is in contact with the frame member, the vibration at the time of driving the actuator is easily transmitted through the frame member. Here, it is an object to improve the attachability of the elastic member for suppressing the vibration transmission of the actuator.

  This invention is made in view of said subject, The objective is to provide the vehicle seat which can improve the attachment property of the elastic member for reducing the vibration transmitted to an flame | frame member from an actuator.

  According to the vehicle seat of the present invention, the above-mentioned subject is a pad for supporting an occupant, a frame member in contact with the pad, an actuator attached to the frame member, and a space between the frame member and the actuator The elastic member is provided, and is provided with an elastic member abutting on each of the frame member and the actuator, and the elastic member is extended by extending toward the actuator and having a covering portion covering a part of the actuator. Ru.

According to the vehicle seat described above, the actuator can be attached to the frame member in a state in which the elastic member disposed between the actuator and the frame member is placed on the actuator. Thereby, attachment of the elastic member disposed between the actuator and the frame member can be facilitated.
Further, since the actuator is attached to the frame member via the elastic member, the vibration transmitted from the actuator to the frame member can be reduced.

In the vehicle seat described above, the pad may have a storage space for storing the elastic member and the frame member.
By doing this, the elastic member can be disposed in the storage space of the pad.

In the above-described vehicle seat, the actuator and the elastic member may be attached to the inside in the seat width direction of the frame member.
By doing this, the actuator and the elastic member do not project outward from the frame member in the sheet width direction. Thus, the vehicle seat can be made compact in the seat width direction.

In the vehicle seat described above, the frame member is a seat back frame having side frames disposed on the left and right, the actuator is attached to the side frame, and the elastic member is the side frame and the actuator. , And abut on each of the side frame and the actuator.
Thus, vibration transmission to the side frame can be suppressed by providing the elastic member between the actuator and the side frame.

In the vehicle seat described above, the side frame has a through hole penetrating in the seat width direction, the actuator has a bolt inserted into the through hole, and the elastic member is attached to the bolt. The side frame may be sandwiched by a fastening member attached to the bolt and the elastic member.
By this, when the actuator is fastened to the frame member by the fastening member from the outside in the width direction of the seat, the elastic member can be prevented from being damaged.

In the vehicle seat described above, the side frame may have a recess that is recessed inward in the seat width direction, and the actuator may be attached to the recess.
By doing this, it is possible to shorten the protruding length of the bolt of the actuator from the outside of the side frame. Thereby, it is possible to suppress that the bolt of the actuator interferes with the member inside the seat.
Further, since the actuator can be attached to the side frame with high rigidity, the vibration of the side frame can be effectively suppressed.

The vehicle seat may further include an airbag module attached to the side frame, and a portion of the side frame to which the airbag module is attached may be at a position other than the recess.
By doing this, it is possible to suppress the transmission of the vibration of the actuator to the mounting portion of the air bag module. Thereby, the malfunction of the airbag can be prevented, and the airbag can be stably deployed.

In the vehicle seat described above, the side frame may have a bead, and the upper end of the recess may be located between the bead and the through hole.
By forming the bead on the side frame in this manner, the rigidity of the side frame can be improved.

In the vehicle seat described above, the seat back frame may have a lower frame connecting lower portions of the left and right side frames, and the elastic member may not be in contact with the lower frame.
This eliminates the need to form a through hole for attaching the actuator to the lower frame. Therefore, the design freedom of the lower frame can be improved. In addition, since the length of the lower frame in the sheet width direction can be shortened, the size of the lower frame can be reduced.

In the vehicle seat described above, the vehicle seat includes a pressure receiving member attached to the seat back frame, and the pressure receiving member is located below the first attachment portion attached to the seat back frame and the first attachment portion. The second attachment portion may be attached to the seat back frame, and the elastic member may be disposed between the first attachment portion and the second attachment portion in the vertical direction.
By doing this, it is possible to suppress that the vibration is transmitted to the first attachment portion and the second attachment portion of the pressure receiving member via the seat back frame.

According to the present invention, the vibration transmitted from the actuator to the frame member can be reduced.
According to the present invention, the elastic member can be disposed in the storage space of the pad.
According to the present invention, the vehicle seat can be made compact in the seat width direction.
According to the present invention, vibration transmission to the side frame can be suppressed.
According to the present invention, when the actuator is fastened to the frame member by the fastening member from the outer side in the width direction of the seat, the elastic member can be prevented from being damaged.
According to the present invention, it is possible to suppress that the bolt of the actuator interferes with the member inside the seat.
According to the present invention, transmission of vibration of the actuator to the mounting portion of the airbag can be suppressed.
According to the present invention, the rigidity of the side frame can be improved.
According to the present invention, the size of the lower frame can be reduced.
According to the present invention, transmission of vibration from the pressure receiving member to the occupant can be suppressed.

It is a perspective view of a sheet concerning this embodiment. It is a perspective view of a seat frame. It is an enlarged view of the attachment part of an actuator. It is IV-IV sectional drawing of FIG. It is an enlarged view of the attachment part of the actuator in FIG. FIG. 6 is a cross-sectional view taken along the line VI-VI of FIG. It is a block diagram of the side which opposes the side frame of an actuator. It is a figure which shows the state of the side frame which attached the actuator.

Hereinafter, the seat S as a vehicle seat according to the embodiment of the present invention (hereinafter, the present embodiment) will be described with reference to FIGS. 1 to 8.
In the present embodiment, a seat for a vehicle mounted on a vehicle will be described as an example of the seat S, but the seat for the vehicle is limited to a vehicle seat mounted on a ground traveling vehicle having wheels. Instead, it may be a seat mounted on an aircraft or ship moving on the ground.
The embodiments described below are merely examples for facilitating the understanding of the present invention, and are not intended to limit the present invention. That is, the shapes, sizes, arrangements, etc. of members described below can be modified or improved without departing from the scope of the present invention, and it is a matter of course that the present invention includes the equivalents thereof.

  In the following, each direction of "upper and lower", "front and rear", and "left and right" corresponds to each of "upper and lower", "front and rear", and "left and right" when viewed from the seater of the seat S. .

[Configuration of sheet S]
The sheet S according to the present embodiment has the appearance illustrated in FIG. In FIG. 1, a part of the seat S (specifically, the front end corner portion of the seat cushion S2) is illustrated in a configuration in which the surface material R is removed for convenience of illustration.

  The seat S is disposed at an upper portion of the seatback S1 serving as a backrest portion supporting the back of the seated person, the seat cushion S2 serving as a seating portion supporting the buttocks of the seated person, and supporting the head of the seated person It has a headrest S3 as a main component.

The seat back S1 is configured by placing the pad U on the seat back frame 10 serving as a skeleton shown in FIG. 2 and further covering the pad U with the surface material R.
The seat cushion S2 is configured by placing the pad U on the seat cushion frame 20 which is a skeleton shown in FIG.
The headrest S3 is configured by arranging a cushioning material (not shown) on a core material (not shown) and covering it with a skin material R.
The surface material R provided on the sheet S is made of, for example, a material such as cloth or leather.
The pad U is a urethane base material molded by foam molding using, for example, a urethane foam material.

[Structure of seat frame F]
Next, the configuration of a seat frame F as a frame member serving as a framework of the sheet S will be described with reference to FIG.
As shown in FIG. 2, the seat frame F mainly includes the seat back frame 10 and the seat cushion frame 20. The seat back frame 10 forms a framework of the seat back S1, and the seat cushion frame 20 forms a framework of the seat cushion S2.

  As shown in FIG. 2, the seat back frame 10 connects the inverted U-shaped upper frame 11, the pair of side frames 12 forming the left and right ends in the seat width direction, and the lower ends of the pair of side frames 12. And a lower frame 13.

The upper frame 11 is welded to the side frame 12 at both lower portions of the upper frame 11.
Further, a headrest mounting portion is attached to the upper end of the upper frame 11 by welding. The headrest mounting portion is a tubular body through which two headrest stays hanging from the headrest S3 are inserted.

  As shown in FIG. 2, the pivot shaft 25 of the reclining mechanism 35 is attached between the lower ends of the left and right side frames 12 in a state of passing through the left and right side frames 12.

As shown in FIG. 2 and FIG. 3, the pivot shaft 25 is rotated by the power applied by the actuator 50. Specifically, the pivot shaft 25 is inserted into an insertion hole formed in the actuator 50 and engaged with the output shaft of the actuator 50. Therefore, when the output shaft of the actuator 50 rotates, the pivot shaft 25 inserted in the output shaft is rotated. As a result, the driving force of the actuator 50 is transmitted to the reclining mechanism 35 via the pivot shaft 25, and the reclining mechanism 35 is finally operated.
The actuator 50 is driven by operating a reclining operation unit (not shown). As a result, the reclining mechanism 35 is operated to adjust the angle of the seat back S1 with respect to the seat cushion S2.

Further, the side frame 12 is a plate-like frame having a U-shaped cross section, and a concave portion 12A is formed in the lower portion of the flat plate portion to be the side plate.
The recessed portion 12A is a portion formed by recessing the flat plate portion of the side frame 12 inward in the seat width direction.

And as FIG.3, FIG4 and FIG. 8 show, the through-hole 12C is formed in the recessed part 12A, and it extends to the sheet width direction outer side from the attachment part 51 of the actuator 50 in the through-hole 12C. The bolt 53 is inserted.
An elastic member 52 is attached to the bolt 53. The elastic member 52 has an outer diameter slightly larger than that of the cylindrical attachment portion 51, and a hole into which the bolt 53 can be inserted is formed at the center. The elastic member 52 is a cap-like member attached so as to cover the end of the attachment portion 51.
For example, the elastic member 52 is made of rubber.
Specifically, as shown in FIG. 5, the elastic member 52 has a contact portion 52A disposed between the attachment portion 51 and the side frame 12, and a through hole provided in the contact portion 52A and through which the bolt 53 passes. 52B, and a covering portion 52C extending from the abutting portion 52A toward the actuator 50 and covering a part of the mounting portion 51.

Then, in a state where the bolt 53 is passed through the through hole 52B of the elastic member 52 and the covering portion 52C of the elastic member 52 is fitted to the mounting portion 51, the bolt 53 is inserted to the through hole 12C of the side frame 12 from the inside in the sheet width direction. Pass through. Then, a nut 54 as a fastening member is screwed on and fastened to an end portion of a bolt 53 that protrudes outward in the seat width direction from the side frame 12.
The actuator 50 can be attached to the side frame 12 in a state in which the elastic member 52 is attached to the attachment portion 51 of the actuator 50 as described above. As a result, the elastic member 52 is less likely to come off the actuator 50. In addition, when the elastic member 52 is placed on the attachment portion 51 of the actuator 50, it is possible to visually check the covering portion 52C of the elastic member 52 from various angles, so whether or not the elastic member 52 is attached It becomes possible to easily check the

By thus fixing the actuator 50 to the side frame 12 also at a location other than the pivot shaft 25, the actuator 50 can be fixed firmly.
Also, the actuator 50 is not in direct contact with the side frame 12. That is, the elastic member 52 is disposed between the actuator 50 and the side frame 12. In other words, the inner surface of the elastic member 52 in the seat width direction abuts on the mounting portion 51 of the actuator 50, and the outer surface of the elastic member 52 in the seat width direction abuts on the side frame 12.
By attaching the actuator 50 to the side frame 12 via the elastic member 52 in this manner, the vibration of the actuator 50 is less likely to be transmitted to the side frame 12.

  Further, the elastic member 52 is disposed on the inner side in the seat width direction with respect to the side frame 12. That is, the side frame 12 is held between the elastic member 52 and the nut 54. By doing this, since the nut 54 screwed to the bolt 53 does not directly contact the elastic member 52, it is possible to prevent the elastic member 52 from being damaged by the nut 54 at the time of fastening by the nut 54.

  As shown in FIG. 3, the attachment portion 51 of the actuator 50 is attached to the side frame 12, but not attached to the lower frame 13. As described above, by attaching the attachment portion 51 of the actuator 50 only to the side frame 12, the vibration is less likely to be transmitted from the attachment portion 51 to the lower frame 13.

  Further, as shown in FIG. 4, the actuator 50 is disposed in a housing space 80 formed inside the pad U.

Further, as shown in FIGS. 1 and 6, an airbag module 60 is attached to the outside in the seat width direction of the side frame 12.
Specifically, as shown in FIG. 2, an air bag mounting hole 12D and an air bag mounting hole 12E are formed in the flat plate portion of the side frame 12, and the air bag mounting hole 12D and the air bag mounting hole are formed. The airbag module 60 is attached at 12E.

Here, as shown in FIG. 6, the air bag module 60 has an air bag 61, an inflator 62, a stud bolt 63 and a retainer 64 as main components.
The air bag module 60 is fixed to the side frame 12 as follows. The stud bolt 63 extends inward in the seat width direction from the inflator 62. Then, in a state where the stud bolt 63 is inserted into the air bag mounting hole 12D of the side frame 12, the air bag module 60 is engaged with the side frame 12 by screwing and fastening the nut 65 from the inside in the seat width direction. Is attached.

  The operation of the air bag module 60 will be described. The inflator 62 generates a gas by receiving an operation signal in response to a collision of a vehicle, and the air bag 61 expands by receiving the injection of the gas generated by the inflator 62. Under the present circumstances, the airbag 61 presses the webbing 70 hold | maintained by the edge part of the skin material R, and the clip 71 for webbing attachment fixed to the side frame 12, and the edge part of the skin material R is It fractures and expands from the fractured part to the outside of the seat back S1.

As shown in FIG. 2, in the seat S according to the present embodiment, the air bag mounting hole 12D and the air bag mounting hole 12E for mounting the air bag module 60 are located at positions different from those of the recess 12A. Provided.
In other words, the air bag mounting hole 12D and the air bag mounting hole 12E for mounting the air bag module 60 are formed at a higher position than the step 12B which is the upper end of the recess 12A of the side frame 12.

Further, as shown in FIG. 2, an inverted F-shaped bead 12 F is formed on the flat plate portion of the side frame 12 to improve the strength of the flat plate portion of the side frame 12.
The stepped portion 12 </ b> B of the side frame 12 is located between the lower end of the seat frame F and the recess 12 </ b> A of the side frame 12. That is, the upper end of the recess 12A is located between the lower end of the seat frame F and the recess 12A of the side frame 12.
Further, the air bag attachment hole 12D and the air bag attachment hole 12E are formed at a position straddling the bead 12F, whereby the strength of the attachment portion of the air bag module 60 is improved.

Further, as shown in FIG. 2, a pressure receiving member 15 for receiving a load from a passenger is provided at the center of the seatback frame 10. Specifically, the pressure receiving member 15 is supported by the seat back frame 10 at the first attachment portion 16 and the second attachment portion 17.
Here, the pressure receiving member 15 supports the back of the occupant, and is formed of an elastic member such as a leaf spring or an S spring.
The first attachment portion 16 is a member locked to the side frame 12. In addition, the first attachment portion 16 may be locked to the upper frame 11 provided above the pressure receiving member 15 or a cross member installed on the upper frame 11.
The second attachment portion 17 is a member provided below the first attachment portion 16 and engaged with the lower frame 13 connecting the left and right side frames 12.
Thus, the pressure receiving member 15 is fixed to the seat back frame 10 by the first attachment portion 16 and the second attachment portion 17.
The elastic member 52 is disposed between the first mounting portion 16 and the second mounting portion 17 in the vertical direction. As a result, the vibration of the actuator 50 is less likely to be transmitted to the pressure receiving member 15 through the first mounting portion 16 and the second mounting portion 17.

Next, the seat cushion frame 20 will be described.
As shown in FIG. 2, the seat cushion frame 20 has a rectangular frame-like outer shape when viewed from above. The seat cushion frame 20 includes left and right cushion side frames 21 respectively forming left and right ends in the seat width direction, a pan frame 22 connecting front ends of the left and right cushion side frames 21, and left and right cushion side frames 21. And a connecting pipe 24 connecting the rear end portions of the two. For example, the connection pipe 24 is a hollow member such as a round pipe.

  The seat back frame 10 and the seat cushion frame 20 are connected via the reclining mechanism 35 and the connection bracket 23, and as described above, the seat back frame 10 has an angle with respect to the seat cushion frame 20 by the reclining mechanism 35. It is possible to adjust.

Also, the seat cushion frame 20 is connected to the slide mechanism 30 via the height mechanism 40.
The slide mechanism 30 mainly includes a lower rail 31 fixed to a vehicle body floor and an upper rail 32 sliding forward and backward with respect to the lower rail 31.
The height mechanism 40 is attached to the upper rail 32, and when the upper rail 32 slides with respect to the lower rail 31, the seat frame F slides with the upper rail 32 with respect to the lower rail 31.

  Further, the height mechanism 40 has a plurality of links, and the height of the seat cushion frame 20 relative to the vehicle body floor (or the upper rail 32) can be adjusted by rotating the links electrically or manually. In addition, since a well-known mechanism can be used for the height mechanism 40, it abbreviate | omits about a detail.

  As described above, in the seat S according to the present embodiment, the elastic member 52 is attached to the attachment portion 51 of the actuator 50, and the actuator 50 is attached to the side frame 12 via the elastic member 52. Thereby, transmission of the vibration of the actuator 50 to the seat back frame 10 including the side frame 12 can be suppressed.

<Summary>
A seat S (an example of a vehicle seat) according to the present embodiment includes a pad U for supporting an occupant, a seat frame F (an example of a frame member) in contact with the pad U, and an actuator 50 attached to the seat frame F. The elastic member 52 is provided between the seat frame F and the actuator 50 and is in contact with the seat frame F and the actuator 50. The elastic member 52 extends toward the actuator 50, and a part of the actuator 50 And a covering portion 52C that covers the

According to the sheet S described above, the actuator 50 can be attached to the seat frame F in a state where the elastic member 52 disposed between the actuator 50 and the seat frame F is covered on the actuator 50. Thereby, attachment of the elastic member 52 disposed between the actuator 50 and the seat frame F can be facilitated.
Further, since the actuator 50 is attached to the seat frame F via the elastic member 52, the vibration transmitted from the actuator 50 to the seat frame F can be reduced.

In the above-described sheet S, the pad U has an accommodation space 80 for accommodating the elastic member 52 and the side frame 12.
By doing this, the elastic member 52 can be disposed in the housing space 80 of the pad U.

In the above-described seat S, the actuator 50 and the elastic member 52 are attached to the inside of the seat frame F in the seat width direction.
By doing this, the actuator 50 and the elastic member do not protrude from the seat frame F outward in the seat width direction. As a result, the sheet S can be made compact in the sheet width direction.

In the above-described seat S, the frame member is the seat back frame 10 provided with the side frames 12 disposed on the left and right. The actuator 50 is attached to the side frame 12, and the elastic member 52 is provided between the side frame 12 and the actuator 50 and abuts on each of the side frame 12 and the actuator 50.
Thus, by providing the elastic member 52 between the actuator 50 and the side frame 12, vibration transmission to the side frame 12 can be suppressed.

In the above-described sheet S, the side frame 12 has a through hole 12C penetrating in the sheet width direction, and the actuator 50 has a bolt 53 inserted into the through hole 12C. The elastic member 52 is attached to the bolt 53, and the side frame 12 is sandwiched by the nut 54 (an example of a fastening member) attached to the bolt 53 and the elastic member 52.
By so doing, when the actuator 50 is fastened to the frame member by the nut 54 from the outside in the width direction of the seat, damage to the elastic member can be suppressed.

In the above-described sheet S, the side frame 12 has a recess 12A that is recessed inward in the sheet width direction, and the actuator 50 is attached to the recess.
By doing this, it is possible to shorten the protruding length of the bolt 53 of the actuator 50 from the outside of the side frame 12. As a result, interference between the bolt 53 of the actuator 50 and the member inside the seat can be suppressed.
In addition, since the actuator 50 can be attached to a portion with high rigidity in the side frame 12, the vibration of the side frame 12 can be effectively suppressed.

In the above-described seat S, the airbag module 60 attached to the side frame 12 is provided, and the portion of the side frame 12 to which the airbag module 60 is attached is a position other than the recess 12A.
By doing this, the transmission of the vibration of the actuator 50 to the mounting portion of the air bag module 60 can be suppressed. Thereby, the malfunction of the airbag can be prevented, and the airbag can be stably deployed.

In the above-described sheet S, the side frame 12 has the bead 12F, and the upper end (the step portion 12B) of the recess 12A is located between the bead 12F and the through hole 12C.
By forming the bead 12F on the side frame 12 as described above, the rigidity of the side frame 12 can be improved.

In the above-described seat S, the seat back frame 10 has the lower frame 13 connecting the lower portions of the left and right side frames 12, and the elastic member 52 is not in contact with the lower frame 13.
By doing this, it is not necessary to form a through hole for attaching the actuator 50 to the lower frame 13. Therefore, the design freedom of the lower frame 13 can be improved. Further, since the length of the lower frame 13 in the sheet width direction can be shortened, the size of the lower frame 13 can be reduced.

The above-described seat S has a pressure receiving member 15 attached to the seat back frame 10. The pressure receiving member 15 has a first attachment portion 16 attached to the seat back frame 10 and a second attachment portion 17 located below the first attachment portion 16 and attached to the seat back frame 10. The elastic member 52 is disposed between the first mounting portion 16 and the second mounting portion 17 in the vertical direction.
By doing this, it is possible to suppress that the vibration is transmitted to the first mounting portion 16 and the second mounting portion 17 of the pressure receiving member 15 via the seat back frame 10.

Other Embodiments
The present invention is not limited to the above embodiment.
For example, although the above-mentioned embodiment explained an example which provides elastic member 52 in attaching part 51 of actuator 50 attached to seat back frame 10, elastic member 52 is provided also to actuator 50 attached to seat cushion frame 20. It is good.

  The elastic member 52 attached to the attachment portion 51 of the actuator 50 from the rear of the seat frame F may be configured to be identifiable by cutting out a part of the pad U.

F seat frame S seat (vehicle seat)
S1 seat back S2 seat cushion S3 headrest U pad R skin material 10 seat back frame 11 upper frame 12 side frame 12A recessed portion 12B stepped portion 12C through hole 12C air bag mounting hole 12E air bag mounting hole 12F air bag mounting hole 12F bead 13 lower frame 15 pressure Members 16 first mounting portion 17 second mounting portion 20 seat cushion frame 21 cushion side frame 22 pan frame 23 connecting bracket 24 connecting pipe 25 rotating shaft 30 sliding mechanism 31 lower rail 32 upper rail 35 reclining mechanism 40 height mechanism 50 actuator 51 mounting Part 52 Elastic member 52A Contact part 52B Through hole 52C Covered part 53 Bolt 54 Nut (fastening member)
60 Airbag Module 61 Airbag 62 Inflator 63 Stud Bolt 64 Retainer 65 Nut 70 Force Cloth 71 Force Cloth Clip 80 Storage Space

Claims (10)

A pad for supporting the occupant;
A frame member in contact with the pad;
An actuator attached to the frame member;
And an elastic member provided between the frame member and the actuator and in contact with the frame member and the actuator.
The vehicle seat according to claim 1, wherein the elastic member extends toward the actuator and has a covering portion covering a part of the actuator.   The vehicle seat according to claim 1, wherein the pad has an accommodation space for accommodating the elastic member and the frame member.   The vehicle seat according to claim 1, wherein the actuator and the elastic member are attached to the inner side in the seat width direction of the frame member. The frame member is a seat back frame provided with side frames disposed on the left and right,
The actuator is attached to the side frame,
The vehicle seat according to claim 3, wherein the elastic member is provided between the side frame and the actuator, and abuts on each of the side frame and the actuator. The side frame has a through hole penetrating in the sheet width direction,
The actuator has a bolt inserted into the through hole,
The elastic member is attached to the bolt,
The vehicle seat according to claim 4, wherein the side frame is sandwiched between a fastening member attached to the bolt and the elastic member. The side frame has a recess recessed inward in the sheet width direction,
The vehicle seat according to claim 5, wherein the actuator is attached to the recess. An airbag module attached to the side frame;
The vehicle seat according to claim 6, wherein a portion of the side frame to which the air bag module is attached is at a position other than the concave portion. The side frame has a bead,
The vehicle seat according to claim 6 or 7, wherein an upper end of the recess is located between the bead and the through hole. The seat back frame is
It has a lower frame which connects the lower part of the side frame on either side,
The vehicle seat according to any one of claims 4 to 8, wherein the elastic member is not in contact with the lower frame. A pressure receiving member attached to the seat back frame;
The pressure receiving member is
A first mounting portion attached to the seat back frame;
And a second attachment portion located below the first attachment portion and attached to the seat back frame.
The vehicle seat according to any one of claims 4 to 9, wherein the elastic member is disposed between the first mounting portion and the second mounting portion in the vertical direction.

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