JP6453807B2 - Vehicle seat frame - Google Patents

Description

  The present invention relates to a vehicle seat frame having a detachable headrest frame.

  A vehicle seat frame that is a skeleton of a vehicle seat usually includes a seat cushion frame, a seat back frame extending upward from a rear end of the seat cushion frame, and a headrest frame attached to an upper portion of the seat back frame. Become.

  In some vehicle seat frames, a pair of attachment portions are provided on the upper portion of the seat back frame, and the headrest frame is provided detachably with respect to the attachment portions. As a conventional technique related to such a vehicle seat frame, there are techniques disclosed in Patent Document 1 and Patent Document 2.

  In the vehicle seat frame disclosed in Patent Document 1, a mounting portion is provided near the center of the upper portion of the seat back frame. The headrest frame includes a pair of leg portions that can be inserted into and removed from the attachment portion, and a main body portion that extends straight upward from the leg portions.

  In the vehicle seat frame disclosed in Patent Document 2, mounting portions are provided near both ends of the upper portion of the seat frame. The headrest frame includes a pair of leg portions, a shoulder support portion that extends so as to approach each other from the upper ends of the pair of leg portions, and a body portion that extends upward from the tip of the shoulder support portion. It consists of.

  When the vehicle seat frames disclosed in Patent Document 1 and Patent Document 2 are compared, the shape of the headrest frame and the position of the mounting portion provided on the seat back frame are different. If parts can be shared as much as possible between a seat frame to which the headrest frame can be attached and detached and a seat frame having a shoulder support portion, it is preferable because the number of parts can be reduced.

Japanese Patent No. 5424398 JP 2007-269100 A

  It is an object of the present invention to share components that constitute a vehicle seat frame having a shoulder support portion.

According to the invention according to claim 1, in the vehicle seat frame, the pair of attachment portions are provided on the upper portion of the seat back frame, and the headrest frame is detachable from the attachment portion.
The headrest frame is composed of a pair of leg portions that can be inserted and removed from the pair of attachment portions, a main body portion that extends upward from these leg portions, and a shoulder support portion that is attached to the main body portion,
The shoulder support portion extends in the seat width direction from the main body portion so that at least a part is located behind the occupant's shoulder,
The shoulder support part is located behind the left shoulder of the occupant and attached to the left part of the body part at a plurality of locations, and is located behind the right shoulder of the occupant and right side of the body part. vehicle, wherein the right support portion attached at a plurality of positions in the portion, and a connecting portion for connecting these left support portion and the right support portion, the Rukoto such by but is formed continuously by a single frame A seat frame is provided.

  According to a second aspect of the present invention, preferably, the shoulder support portion is located in front of a portion located on the outer side in the seat width direction than a portion attached to the main body portion.

As described in claim 3, preferably, before Kihidari support section, and, together with the boundary portion of the connecting portion is attached to said body portion, said right support portion, and, the boundary portion of the connecting portion It is attached to the main body.

According to the invention of claim 4, in the method for manufacturing a vehicle seat,
Preparing a seat back frame provided with a pair of attachment portions on the upper part, a seat back frame preparation step,
The headrest is provided with a headrest frame with a shoulder support portion, wherein a main body portion extends upward from a pair of leg portions that can be inserted into and removed from the pair of attachment portions, and a shoulder support portion that extends in the seat width direction is attached to the main body portion. Frame preparation process;
A headrest attaching step of attaching the headrest frame with a shoulder support part to the seatback frame to obtain a seatback frame with a headrest;
A cushion mounting step of obtaining a seat back base body with a headrest by providing a cushion material on the seat back frame with the headrest;
A skin attaching step of obtaining a seat back with a headrest by covering the seatback base with the headrest with a skin.

As described in claim 5, preferably, the seat back frame preparation step includes:
A pre-change seat back preparation step for preparing a pre-change seat back in which a separate headrest can be attached and detached,
A seat back frame taking-out step of taking out the seat back frame by removing the pre-change skin and the cushion material before change, which have been used in advance for the seat back before change.

In the invention according to claim 1, a pair of attachment portions are provided on the upper portion of the seat back frame, and the headrest frame is detachable from the attachment portions. The headrest frame includes a pair of leg portions that can be inserted into and removed from the pair of attachment portions, a main body portion that extends upward from the leg portions, and a shoulder support portion that is attached to the main body portion. The shoulder support portion extends from the main body portion in the seat width direction so that at least a part thereof is located behind the occupant's shoulder. The shoulder support portion includes a left support portion located behind the occupant's left shoulder, a right support portion located behind the occupant's right shoulder, and a connecting portion connecting the left support portion and the right support portion. It is formed by continuously forming two frames.

  That is, the headrest frame according to the present invention is completed by attaching the shoulder support portion to the detachable headrest frame including only the main body portion and the leg portion. Therefore, the detachable headrest frame component can be used as a part of the headrest frame component according to the present invention, and the component can be shared.

  Furthermore, the seat back frame provided with the attachment portion is also sufficient as a component corresponding to the detachable headrest frame, and it is not necessary to change the position where the attachment portion is provided.

  As a result, for the seat frame having the shoulder support portion according to the present invention, the detachable headrest frame and the seat back frame provided with the attachment portion to which the detachable headrest frame is attached can be shared. Can be reduced.

  In the invention which concerns on Claim 2, the site | part located in the sheet | seat width direction outer side is located ahead rather than the site | part attached to the main-body part. That is, the shoulder support part extends obliquely forward in plan view. Therefore, the shoulder support portion can be supported so as to wrap around the passenger's shoulder.

In the invention which concerns on Claim 3, while the boundary part of the left support part and a connection part is attached to the main-body part, the boundary part of the right support part and the connection part is attached to the main-body part.

  That is, the shoulder support portion is formed by integrally forming the left and right support portions via the connection portion, and is attached to the main body portion in the vicinity of both ends of the connection portion.

  In this case, it can be said that the left support part is attached to the main body part at two places of the connection part. Similarly, it can be said that the right support part is attached to the main body part at two places of the connection part.

  If there is no connection portion and the left and right support portions are formed separately, the left and right support portions are each attached to the main body portion at only one location. Therefore, the mounting strength of each of the left and right support parts is low. On the other hand, if the left and right support portions are formed continuously and attached at two locations of the connection portion, the portion to which one support portion is attached serves to support the other support portion. As a result, the mounting strength of the shoulder support portion is increased.

  In addition, since the main body is coupled by the connecting portion, the rigidity of the main body is increased.

  In the invention which concerns on Claim 4, it has the headrest attachment process which attaches a headrest frame with a shoulder support part to a seatback frame, and obtains a seatback frame with a headrest.

  The headrest frame with a shoulder support portion has a main body portion extending upward from a leg portion, and a shoulder support portion extending in the seat width direction is attached to the main body portion.

  That is, the headrest frame with a shoulder support portion can be prepared by attaching the shoulder support portion to a detachable headrest frame consisting only of the main body portion and the leg portion.

  Further, the seat back frame can be prepared by using a seat back frame to which a detachable headrest frame is attached.

  As a result, in the vehicle seat manufactured according to the present invention, it is possible to use components of a detachable headrest frame and a seatback frame having an attachment portion to which the detachable headrest frame is attached. By sharing parts, the number of parts can be reduced.

  In the invention according to claim 5, the seat back frame preparation step is used in advance for a pre-change seat back preparation step for preparing a pre-change seat back in which a separate headrest can be attached and detached, And removing the front skin and the cushion material before change to take out the seat back frame.

That is, when preparing the seat back frame, a seat back frame in which the skin and the cushion material are removed from the seat back before the change may be used. A vehicle seat can be manufactured by reusing the seat back frame of the seat back before the change without newly manufacturing the seat back frame.

It is a perspective view of the vehicle seat which has a vehicle seat frame by Example 1 of this invention. It is a perspective view of the seat frame of the vehicle seat shown in FIG. It is the figure explaining attachment and detachment of the seat back frame and the headrest frame in the seat frame shown in FIG. It is the figure explaining attachment of the shoulder support part of the headrest frame shown by FIG. FIG. 4 is a plan view of the headrest frame shown in FIG. 3. It is a figure explaining from the process of preparing the seat back before change to the process of preparing a seat back frame and a headrest frame about the vehicle seat shown in FIG. It is a figure explaining from the process of obtaining the seat back frame with a headrest to the process of covering the seat back base with a headrest with a skin for the vehicle seat shown in FIG. It is a perspective view of the headrest frame of the vehicle seat frame by Example 2 of the present invention.

Embodiments of the present invention will be described below with reference to the accompanying drawings. In the description, left and right refer to the left and right based on the vehicle occupant, and front and rear refer to the front and rear based on the traveling direction of the vehicle. In the figure, Fr is front, Rr is rear, L is left when viewed from the occupant, R is right when viewed from the occupant, Up is upper, and Dn is lower .

<Example 1>
Please refer to FIG. FIG. 1 shows a vehicle seat 10. The vehicle seat 10 is of a type provided in a driver seat or a passenger seat.

  The vehicle seat 10 includes left and right seat legs 12 and 12 fixed to the floor 11, left and right rails 13 and 13 attached to the seat legs 12 and 12 and extending in the front-rear direction, and left and right The seat cushion 14 is supported by the rails 13 and 13 so as to be slidable in the front-rear direction, the seat back 15 is raised from the rear end of the seat cushion 14, and the headrest 16 is provided at the upper end of the seat back 15.

  The seat cushion 14 includes a seating portion 17 on which an occupant is seated, and left and right cushion portion side supports 17 a and 17 a that bulge upward from left and right ends of the seating portion 17.

  The seat back 15 is provided on the back of the backrest 18 supporting the occupant's torso, left and right lower side supports 18a and 18a bulging forward from the left and right ends of the backrest 18 and the occupant's lower back 18. The backrest upper part 19 which supports the shoulder periphery, and left and right upper side supports 19a and 19a which swell forward from the left and right ends of the backrest upper part 19 are formed.

  Please refer to FIG. FIG. 2 shows a seat frame 20 that is a framework of the vehicle seat 10 (see FIG. 1). The seat frame 20 is attached to a seat cushion frame 21 supported by left and right rails 13 and 13 extending in the front-rear direction, a seat back frame 22 attached to the seat cushion frame 21, and an upper portion of the seat back frame 22. And the headrest frame 23.

  The seat back frame 22 connects the lower frame 24 extending in the seat width direction, the left frame 25 and the right frame 26 extending upward from both ends of the lower frame 24, and the upper ends of the left and right side frames 25 and 26. And an upper frame 27.

  Above the upper frame 27, a shoulder support portion 29 is provided that is located behind the shoulder of the passenger. The shoulder support portion 29 is attached as a part of the headrest frame 23. Hereinafter, details of the headrest frame 23 to which the shoulder support portion 29 is attached will be described.

  Please refer to FIG. 3 and FIG. The upper frame 27 is provided with a pair of attachment portions 46 and 56 for attaching the headrest frame 23. The headrest frame 23 can be attached to and detached from the pair of attachment portions 46 and 56.

  The pair of attachment portions 46 and 56 includes a left attachment portion 46 and a right attachment portion 56. The left attachment portion 46 and the right attachment portion 56 have the same shape. The left attachment portion 46 includes a body portion 47 having a substantially cylindrical shape and a head portion 48 provided at the upper end of the body portion 47. Similarly, the right mounting portion 56 includes a body portion 57 and a head portion 58 provided at the upper end of the body portion 57.

  The headrest frame 23 includes left and right leg parts 31 and 32 (a pair of leg parts 31 and 32) that can be inserted into and removed from holes 49 and 59 formed in the left and right attachment parts 46 and 56, and the left and right leg parts 31 and 59, respectively. The main body 30 extends upward from 32, and a shoulder support 29 attached to the main body 30.

  The main body 30 and the left and right leg portions 31 and 32 are formed by bending one frame into a substantially U-shape opening downward.

  The main body portion 30 extends from the upper ends of the left and right leg portions 31, 32, and is curved to the left in the vehicle width direction. The left curved portion 33, the right curved portion 34, and the left support portion 35, which extends upward from the left and right curved portions 33, 34 , A right column portion 36, a support plate 38 provided between the left and right column portions 35, 36, and a top portion 37 connecting the upper ends of the left and right column portions 35, 36.

  The shoulder support portion 29 extends from the main body portion 30 in the seat width direction. Specifically, the shoulder support portion 29 includes a left support portion 40 located behind the passenger's left shoulder, a right support portion 50 located behind the passenger's right shoulder, and the left support portion 40 and the right support portion 50. And connecting portion 39 for connecting the two. The left support part 40, the right support part 50, and the connection part 39 are continuously formed by one frame.

  The left support portion 40 includes a left upper frame 41 that extends from one end of the connection portion 39 toward the seat width outer side, a left folded portion 42 that is folded in the vicinity of the left end portion of the upper frame 27 of the seat back frame 22, and a left folded portion 42. And a lower left frame 43 extending inward from the seat width. At the tip of the left lower frame 43, a left tip 44 is formed that is bent upward.

  Similarly, the right support part 50 includes an upper right frame 51 extending from the other end of the connection part 39 toward the outer side of the seat width, a right folded part 52 folded near the right end part of the upper frame 27, and the right folded part 52. And a lower right frame 53 extending toward the seat width inner side. A right tip portion 54 that is bent upward is formed at the tip of the lower right frame 53.

  A left boundary portion 45 that is a boundary portion between the left support portion 40 and the connection portion 39 is attached to the main body portion 30, and a right boundary portion 55 that is a boundary portion between the right support portion 50 and the connection portion 39. Is attached to the main body 30. Further, the left tip portion 44 is attached to the left leg portion 31, and the right tip portion 54 is attached to the right leg portion 32.

  Please refer to FIG. FIG. 5 shows the headrest frame 23 having the shoulder support portion 29 as viewed from above. With respect to the left support portion 40, the left folded portion 42 (a portion located on the outer side in the seat width direction) is located in front of the left boundary portion 45 and the left tip portion 44 (the portion attached to the main body portion). ing.

  Similarly, with respect to the right support portion 50, the right turn-up portion 52 (a portion located on the outer side in the seat width direction) is more than the right boundary portion 55 and the right tip portion 54 (the portion attached to the main body portion 30). Located in front.

  Next, an example of a method for manufacturing the vehicle seat 10 (see FIG. 1) will be described with reference to FIGS.

  Reference is made to FIG. First, a seat back 120 (pre-change seat back 120) to which a separate headrest 110 (headrest frame 110) is detachable is prepared (pre-change seat back preparation step).

  Reference is also made to FIG. Next, the skin 130 (pre-change skin 130) and the cushion material 140 (pre-change cushion material 140), which have been used in advance for the seat back 120, are removed, and the seat back frame 22 is taken out (seat back frame extraction step) ).

  In the present embodiment, when the seat back frame 22 is taken out, the seat back 120 and the headrest 110 are covered with separate skins (see FIG. 6A), but the seat back 120 is used. Alternatively, the seat back frame 22 may be taken out using a cover and the headrest 110 that are integrally covered.

  Reference is also made to FIG. Next, the main body 30 extends upward from a pair of leg portions 31 and 32 that can be inserted into and removed from the pair of attachment portions 46 and 56, and a shoulder support portion 29 extending in the seat width direction is attached to the main body portion 30. The headrest frame 23 with a shoulder support part is prepared (headrest frame preparation process).

  Reference is made to FIG. Next, the headrest frame 23 with a shoulder support portion is attached to the seatback frame 22 to obtain a seatback frame 81 with a headrest (headrest attachment step).

Figure 7 Referring to (b). Next, the seat back base 83 with a headrest is obtained by providing the cushion material 82 on the seat back frame 81 with the headrest (cushion mounting step).

Reference is made to FIG. Finally, a seat back 85 with a headrest (vehicle seat 10) is obtained by covering the seat back base 83 with a headrest with the skin 84 (skin attachment step).

  In this embodiment, the seat back frame 22 provided with the attachment portions 46 and 56 is prepared by removing the skin 130 and the cushioning material 140 from the seat back 120 (the seat back frame preparation process, FIG. b)), and may be prepared by manufacturing the seat back frame 22.

  Next, the operation and effect of the present invention will be described.

  Please refer to FIG. 3 and FIG. The headrest frame 23 is completed by attaching a shoulder support portion 29 to a headrest frame base 89 (detachable headrest frame) consisting only of the main body portion 30 and the leg portions 31 and 32. Therefore, the headrest frame base 89 (detachable headrest frame) can be used as a part of the parts of the headrest frame 23 according to the present invention, and the parts can be shared.

Further, the seat back frame 22 mounting portion 46,5 6 is also provided enough at parts corresponding to the headrest frame body 89, mounting portions 46, 56 are located is no need to change provided.

  As a result, for the seat frame 20 having the shoulder support portion (see FIG. 2), the seat back frame 22 provided with the headrest frame base 89 and the mounting portions 46 and 56 to which the headrest frame base 89 is attached is shared. And the number of parts can be reduced.

  In addition, the shoulder support portion 29 has a left boundary portion 45, a right boundary portion 55, a left tip portion 44, and a right tip portion 54 attached to the main body portion 30. Here, the shoulder support portion 29 is formed by integrally forming the left and right support portions 40 and 50 via the connection portion 39.

Therefore, it can be said that the left support portion 40 is supported by the right boundary portion 55 and the right tip portion 54 as well as the left boundary portion 45 and the left tip portion 44. Similarly, it can be said that the right support portion 50 is supported not only by the right boundary portion 55 and the right tip portion 54 but also by the left boundary portion 45 and the left tip portion 44 .

  If the connection part 39 is not provided, the left support part 40 is supported only by the left boundary part 45 and the left tip part 44. Therefore, the mounting strength of the left support part 40 is lowered. The mounting strength of the right support part 50 is also the same. On the other hand, if the left and right support portions 40 and 50 are formed continuously, the number of supported parts increases. For this reason, the attachment strength of the shoulder support 29 to the main body 30 is increased.

  In addition, the left and right support columns 35 and 36 constituting the main body 30 are connected by a connecting portion 39. Therefore, the rigidity of the main body 30 is increased.

  Please refer to FIG. With respect to the left support portion 40, the left folded portion 42 is located in front of the left boundary portion 45 and the left tip portion 44. Similarly, with respect to the right support portion 50, the right folded portion 52 is positioned in front of the right boundary portion 55 and the right tip portion 54. That is, the left and right support portions 40, 50 extend obliquely forward in plan view. Therefore, the shoulder support part 29 can be supported so as to wrap around the passenger's shoulder.

  Please refer to FIG. 4 and FIG. The headrest frame 23 with a shoulder support portion can be prepared by attaching the shoulder support portion 29 to a headrest frame base 89 (detachable headrest frame) consisting only of the main body portion 30 and the leg portions 31 and 32. .

Figure 6 Referring to (b). Further, the seat back frame 22 can also be prepared by using the seat back frame 22 to which the headrest frame base 89 (detachable headrest frame) is attached.

  As described above, in the vehicle seat 10 manufactured according to the present invention, the headrest frame base 89 (detachable headrest frame), and the seat back frame 22 having the mounting portions 46 and 56 to which the removable headrest frame 23 is attached, Can be used. By sharing parts, the number of parts can be reduced.

  Reference is made to FIG. 6A and FIG. The seat back frame preparation process includes a pre-change seat back preparation process for preparing a seat back 120 (pre-change seat back 120) to which a separate headrest 110 can be attached and detached, and a skin 130 ( And removing a seat back frame 22 by taking out the seat back frame 22 by removing the pre-change skin 130) and the cushion material 140 (pre-change cushion material 140).

That is, when the seat back frame 22 is prepared, a seat back frame in which the skin 130 and the cushion material 140 are removed from the seat back 120 may be used without newly manufacturing the seat back frame. The vehicle seat 10 (see FIG. 7C) can be manufactured by reusing the seat back frame 22 of the seat back 120.

<Example 2>
Next, a second embodiment of the present invention will be described. In the headrest frame 23A according to the second embodiment, the shape of the shoulder support portion 29A is different, and the attachment method of the shoulder support portion 29A is different. About another structure, it is the same as that of the headrest frame 23 of Example 1, and it abbreviate | omits description while omitting a code | symbol.

  Please refer to FIG. In a state where the headrest frame 23 </ b> A is attached to the seat back frame 22, the lower left frame 43 </ b> A of the shoulder support portion 29 </ b> A is positioned forward of the left side frame 25 of the seat back frame 22. That is, the lower left frame 43A overlaps the left frame 25 in the front-rear direction.

  Similarly, the lower right frame 53 </ b> A of the shoulder support portion 29 </ b> A is positioned in front of the right side frame 26 of the seat back frame 22. That is, the lower right frame 53A overlaps the right frame 26 in the front-rear direction.

  A left locking portion 61 that locks with the lower portion of the left mounting portion 46 is formed at the tip of the left lower frame 43A. The left locking portion 61 has a substantially U shape that opens forward. Similarly, a right engaging portion 62 that engages with the lower portion of the right attachment portion 56 is formed at the tip of the right lower frame 53A. The right locking portion 62 has a substantially U shape that opens forward.

  In addition, an auxiliary frame 70 that supports a cushion material provided on the shoulder support portion 29A is attached to the upper ends of the left and right leg portions 31, 32. The auxiliary frame 70 includes a left support portion 71 that supports a portion of the cushion material located behind the left shoulder, a right support portion 72 that supports a portion of the cushion material located behind the right shoulder, and these left support portions. And a connecting portion 73 that connects the support portion 71 and the right support portion 72.

  Also in the headrest frame 23A, the predetermined effect of the present invention can be obtained. Furthermore, according to the headrest frame 23A, the following specific effects can be obtained by the above configuration.

The lower left frame 43A is located in front of the left frame 25. Therefore, if a load toward the rear is applied to the left lower frame 43A, it can be said that the left frame 25 is located at a place where the left lower frame 43A can be supported. The rigidity of the lower left frame 43A is increased. The lower right frame 53A has the same configuration. As a result, the rigidity of the headrest frame 23A becomes higher.

  In addition, the auxiliary frame 70 is attached to the upper ends of the left and right legs 31 and 32. Therefore, by changing the position where the auxiliary frame 70 is attached, the amount of insertion of the leg portions 31 and 32 into the attachment portions 46 and 56 can be regulated. Thereby, the height of the headrest frame 23A can be adjusted. The headrest frame 23A can be attached to a larger number of types of seat back frames 22, and the parts can be shared.

  Furthermore, since the leg parts 31 and 32 are connected to the connection part 73 of the auxiliary frame 70, the rigidity of the leg parts 31 and 32 becomes high.

  The vehicle seat according to the present invention has been described as an example mounted on a passenger car. However, the present invention can be applied to other vehicles such as buses, and is not limited to these types.

  The vehicle seat of the present invention is suitable for mounting on a passenger car.

DESCRIPTION OF SYMBOLS 10 ... Vehicle seat 15 ... Seat back, 16 ... Headrest 20 ... Seat frame 22 ... Seat back frame (25 ... Right side part, 26 ... Left side part, 27 ... Upper part)
29 ... Shoulder support 30 ... Main body part, 31 ... Left leg part, 32 ... Right leg part 35 ... Post part 39 ... Connecting part 40 ... Left support part (43 ... Lower left, 44 ... Left tip part, 45 ... Left boundary part)
50 ... right support part (53 ... lower right, 54 ... right tip part, 55 ... right boundary part)
61 ... Left engaging portion, 62 ... Right engaging portion 70 ... Auxiliary frame (71 ... Left supporting portion, 72 ... Right supporting portion, 73 ... Connecting portion)

Claims (5)

In the vehicle seat frame, a pair of attachment portions is provided on the upper portion of the seat back frame, and the headrest frame is detachable from the attachment portion.
The headrest frame is composed of a pair of leg portions that can be inserted and removed from the pair of attachment portions, a main body portion that extends upward from these leg portions, and a shoulder support portion that is attached to the main body portion,
The shoulder support portion extends in the seat width direction from the main body portion so that at least a part is located behind the occupant's shoulder,
The shoulder support part is located behind the left shoulder of the occupant and attached to the left part of the body part at a plurality of locations, and is located behind the right shoulder of the occupant and right side of the body part. vehicle, wherein the right support portion attached at a plurality of positions in the portion, and a connecting portion for connecting these left support portion and the right support portion, the Rukoto such by but is formed continuously by a single frame Seat frame.
  2. The vehicle seat frame according to claim 1, wherein the shoulder support portion has a portion positioned on the outer side in the seat width direction positioned more forward than a portion attached to the main body portion. Wherein before Kihidari support section, and, together with the boundary portion of the connecting portion is attached to said body portion, said right support portion, and that the boundary portion of the connecting portion is attached to said body portion The vehicle seat frame according to claim 1 or 2. In the vehicle seat manufacturing method,
Preparing a seat back frame provided with a pair of attachment portions on the upper part, a seat back frame preparation step,
The headrest is provided with a headrest frame with a shoulder support portion, wherein a main body portion extends upward from a pair of leg portions that can be inserted into and removed from the pair of attachment portions, and a shoulder support portion that extends in the seat width direction is attached to the main body portion. Frame preparation process;
A headrest attaching step of attaching the headrest frame with a shoulder support part to the seatback frame to obtain a seatback frame with a headrest;
A cushion mounting step of obtaining a seat back base body with a headrest by providing a cushion material on the seat back frame with the headrest;
A method of manufacturing a vehicle seat, comprising: a skin attaching step of obtaining a seat back with a headrest by covering the seatback base with a headrest with a skin. The seat back frame preparation step includes:
A pre-change seat back preparation step for preparing a pre-change seat back in which a separate headrest can be attached and detached,
A seat back frame taking-out step of taking out the seat back frame by removing the pre-change skin and the cushion material before change, which have been used in advance for the seat back before change, 5. A method for producing a vehicle seat according to 4.

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