JP2013154856A - Headrest device and vehicle seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To install a center headrest while controlling load concentration on one side seat back.SOLUTION: In a vehicle seat 10 for which a center headrest device 40 is used, when the center headrest device 40 is attached to a pair of side seats, a center stay 42 is spanned in a pair of stays 16, and the center headrest 48 is supported to the center stay 42. Therefore, the center headrest 48 is supported to a pair of the seat back (back frame) through the center stay 42 and the stay 16. As a result, the load that acts on the center headrest 48 is distributed to a pair of the seat backs through the center stay 42 and the stay 16. Therefore, it can be controlled that the load concentrates on other seat back 14 compared with the case to support the headrest 18 and the center headrest 48 only by one side of the seat back.

Description

  The present invention relates to a headrest device and a vehicle seat.

  In the vehicle seat described in Patent Document 1 below, an auxiliary seat headrest is stored in the upper part of the seat back. The auxiliary seat headrest is configured to be movable in the seat width direction, and by pulling the auxiliary seat headrest out of the seat back, the head of the passenger seated in the auxiliary seat can be supported by the auxiliary seat headrest. .

  On the other hand, there are three seats for a vehicle. The three-seat vehicle seat is usually provided with a pair of seat backs that support the back of the passenger. For this reason, when the center headrest for the center seat is provided on the three-seat vehicle seat, the center headrest is provided on one of the pair of seat backs as in the vehicle seat described in Patent Document 1. Can be considered.

Japanese Utility Model Publication No. 2-69535

  However, if the center headrest is provided on one of the pair of seat backs, a load for two persons acts on one of the seat backs via the two headrests, so it is necessary to ensure the strength of one of the seat backs.

  In consideration of the above fact, an object of the present invention is to provide a headrest device that can provide a center headrest while suppressing a load from being concentrated on one seatback.

  The headrest device according to claim 1 is provided between a center stay that can be bridged between a pair of stays that are respectively provided on a pair of seat backs, and a pair of headrests that are respectively supported by the pair of stays. And a center headrest supported by the center stay.

  In the headrest device according to the first aspect, the headrest is supported by the pair of stays respectively provided on the seat back.

  Here, the center stay can be bridged between the pair of stays, and the center headrest is supported by the center stay. For this reason, the center headrest is supported by the pair of seat backs via the center stay and the stay. As a result, the load acting on the center headrest is distributed to the pair of seat backs via the center stay and the stay. Therefore, it is possible to suppress the load from being concentrated on one of the seat backs as compared to the case where the two headrests are supported by one of the pair of seat backs.

  The headrest device according to claim 2, wherein the headrest device according to claim 1 is provided on the center headrest, and the center headrest is connected to the center stay so as to be movable in the seat width direction and detachable. A connecting member is provided.

  In the headrest device according to the second aspect, the center side connecting member is provided on the center headrest, and the center headrest is connected to the center stay so as to be movable in the seat width direction and detachable by the center side connecting member. Therefore, the center headrest can be configured to be movable relative to the center stay in the seat width direction. Thereby, the position of the center headrest in the seat width direction can be adjusted.

  The headrest device according to a third aspect is the headrest device according to the first or second aspect, wherein the headrest device is provided on the pair of stays, and the center stay is movable to the stay in the seat width direction and is removable. The side side connection member to connect is provided.

  In the headrest device according to claim 3, the side-side connecting member is provided on the pair of stays, and the center stay is connected to the stay so as to be movable in the seat width direction and detachable by the side-side connecting member. Therefore, the center stay can be configured to be movable relative to the stay in the seat width direction. Thereby, the position in the seat width direction of the center headrest can be adjusted also by the side-side connecting member.

  A headrest device according to a fourth aspect is the headrest device according to the third aspect, further comprising a holding member that is provided on the pair of stays and holds the side-side connecting member.

  In the headrest device according to claim 4, since the holding member is provided in the pair of stays, and the side-side connecting member is held by the holding member, for example, the side-side connecting member associated with the set position in the center headrest Corresponding to the set position, the side connecting member can be connected to the stay. Moreover, the load acting on the center headrest is transmitted to the pair of stays and the pair of seat backs via the holding member.

  A headrest device according to a fifth aspect is the headrest device according to the fourth aspect, further comprising a blocking portion that is provided on the holding member and prevents the center stay from moving outward in the seat width direction.

  In the headrest device according to the fifth aspect, the blocking portion is provided in the holding member, and the blocking portion prevents the center stay from moving outward in the seat width direction. For this reason, for example, when the center stay is assembled to the side-side connecting member, the center stay can be prevented from moving more than necessary to the outside in the seat width direction. Thereby, the assembly | attachment property at the time of assembling | attaching a center stay to a side side connection member can be improved.

  The headrest device according to claim 6 is the headrest device according to any one of claims 1 to 5, wherein the center headrest is formed in a cylindrical shape, and the center stay coaxially supports the center headrest. doing.

  In the headrest device according to claim 6, since the center headrest is formed in a cylindrical shape and the center stay supports the center headrest coaxially, even if the center headrest rotates around the center stay axis, the occupant It is possible to suppress a change in the shape of the center headrest relative to the head. Thereby, a passenger | crew's head can be supported by a fixed shape.

  A headrest device according to a seventh aspect is the headrest device according to any one of the first to sixth aspects, wherein the stay is supported so as to be relatively movable in the vertical direction with respect to the seat back. .

  In the headrest device according to claim 7, since the stay is supported so as to be relatively movable in the vertical direction with respect to the seat back, for example, when the center headrest is not used, the center stay and the center headrest are removed from the stay. Thus, the position of the headrest in the vertical direction can be adjusted.

  The vehicle seat according to claim 8 is disposed along the seat width direction and supports a pair of seat backs that support the back of the occupant and a headrest that supports the head of the occupant provided at an upper portion of the seat back. A pair of stays, and the headrest device according to any one of claims 1 to 7 spanned between the stays.

  In the vehicle seat according to the eighth aspect, the pair of seat backs are disposed along the seat width direction, and the stays are respectively provided on the upper portions of the seat backs. The headrest is supported by the stay, and the headrest device is bridged between the pair of stays. For this reason, the load which acts on the headrest device is distributed to the pair of seat backs via the pair of stays. Thereby, it can suppress that a load concentrates on one seat back.

  According to the headrest device of the first aspect, the center headrest can be provided while suppressing the concentration of the load on one of the seat backs.

  According to the headrest device of the second aspect, the position of the center headrest in the seat width direction can be adjusted.

  According to the headrest device of the third aspect, the position of the center headrest in the seat width direction can be adjusted also by the side-side connecting member.

  According to the headrest device of the fourth aspect, the load acting on the center headrest is transmitted to the pair of seat backs while the side connection member is connected to the stay corresponding to the set positions of the center headrest and the side connection member. it can.

  According to the headrest device of the fifth aspect, it is possible to improve the assembling property when the center stay is assembled to the side connecting member.

  According to the headrest device of the sixth aspect, the occupant's head can be supported in a certain shape.

  According to the headrest device of the seventh aspect, when the center headrest is not used, the position of the side headrest in the vertical direction can be adjusted by removing the center stay and the center headrest from the stay.

  According to the vehicle seat of the eighth aspect, the center headrest can be provided while suppressing the concentration of the load on one of the seat backs.

It is the perspective view seen from the sheet | seat left diagonal front which shows the principal part of the vehicle seat by which the center headrest apparatus which concerns on embodiment of this invention was used. It is the perspective view seen from the sheet | seat left diagonal front which shows the upper part of the vehicle seat shown by FIG. It is the perspective view seen from the sheet | seat left front which shows the stay and side side connection unit which are shown by FIG. FIG. 4 is a side view of the stay shown in FIG. 3 viewed from the left side of the seat. It is the perspective view seen from the sheet | seat left diagonal front which shows the center side connection unit shown by FIG. (A) is explanatory drawing for demonstrating the assembly | attachment procedure of the center headrest apparatus shown by FIG. 1, (B) is the perspective view which expanded the center stay shown by (A) partially. It is a perspective view which shows the state by which the center headrest apparatus shown by FIG. 2 was removed from the headrest.

  FIG. 2 is a perspective view of the upper portion of the vehicle seat 10 in which the center headrest device 40 as the “headrest device” according to the embodiment of the present invention is used as seen obliquely from the front left of the seat. . Note that an arrow FR appropriately shown in the drawings indicates the front of the seat, an arrow RH indicates the right side of the seat (corresponding to the outside in the seat width direction of the present invention), and an arrow UP indicates the upper side. Further, the vehicle seat 10 is disposed in a state where the front-rear direction of the seat coincides with the front-rear direction of the vehicle and the seat width direction coincides with the vehicle width direction.

  As shown in this figure, the vehicle seat 10 includes a pair of rear seats 12 and a center headrest device 40, and is arranged in the second or third row of the vehicle. The pair of rear seats 12 is connected to a vehicle floor (not shown) so as to be slidable in the longitudinal direction of the seat, and the rear seat 12 on the left side of the seat is connected to the vehicle floor so as to be slidable also in the seat width direction. ing. As a result, the pair of rear seats 12 approach each other in the seat width direction so that three passengers can be seated on the rear seat 12 (the state shown in FIG. 2), and the pair of rear seats 12 are seated from the three-seat use state. A pair of rear seats 12 can be arranged in a two-seat use state in which the occupants can sit on the respective rear seats 12 separated in the width direction. Since the pair of rear seats 12 are configured symmetrically with respect to the seat width direction, only the rear seat 12 on the right side of the seat will be described, and description of the rear seat 12 on the left side of the seat will be omitted.

  The rear seat 12 includes a seat back 14, a stay 16 (see FIG. 1), a headrest 18, and a side-side connecting unit 24 (see FIG. 1).

  The seat back 14 is disposed in a standing state at the rear end of the seat cushion (not shown) on which an occupant sits. A back frame (not shown) is provided inside the seat back 14, and the back frame constitutes a skeleton of the seat back 14.

  As shown in FIG. 1, the stay 16 is provided on the upper portion of the seat back 14 and protrudes upward from the upper portion (the seat back 14 is not shown in FIG. 1). The stay 16 is formed in a substantially long round bar shape, and is bent in a substantially inverted U shape that is opened downward as viewed from the front of the seat. Both ends of the stay 16 are inserted into grommets (not shown) provided on the back frame, and the stay 16 is held by the grommets so as to be movable in the vertical direction.

  The headrest 18 has a pad 20 formed in a substantially rectangular parallelepiped shape. The pad 20 is made of a foam material such as urethane and is covered with a skin 22. And the upper part of the stay 16 is arrange | positioned inside the pad 20, and the pad 20 and the stay 16 are integrally formed by integral foaming etc. FIG. Accordingly, the headrest 18 is connected to the seatback 14 by the stay 16 and is configured to be movable relative to the seatback 14 in the vertical direction.

  As shown in FIG. 3, the side connection unit 24 includes a side bracket 26 as a “holding member”, a side holder 30, and a side grommet 32 as a “side connection member”. And provided inside the pad 20.

  The side bracket 26 is disposed on the seat front side of the stay 16 at the left corner of the seat at the upper portion of the stay 16. The side bracket 26 is made of sheet metal and has a substantially rectangular shape when viewed from the front of the seat. The upper end portion of the side bracket 26 and the left end portion of the seat are bent to the rear of the seat, the upper end portion of the side bracket 26 is joined to the upper portion of the stay 16 by welding or the like, and the seat of the side bracket 26 The left end is connected to the left side portion of the seat 16 by welding or the like. Further, the side bracket 26 is disposed to be inclined toward the front side of the seat as it goes downward with respect to the stay 16 in a side view as viewed from the left side of the seat (see FIG. 4).

  Further, the side bracket 26 is formed with a stopper portion 28 as a “blocking portion” in the right portion of the seat. The stopper portion 28 protrudes from the side bracket 26 to the front side of the seat and is disposed along a direction orthogonal to the seat width direction.

  The side holder 30 is made of sheet metal and has a substantially rectangular tube shape. The side holder 30 is disposed on the left side of the stopper portion 28 with the axial direction as the seat width direction, and is fixed to the side bracket 26 by welding or the like.

  The side grommet 32 is made of resin and is formed in a substantially cylindrical shape. The side grommet 32 is fixed in the cylinder of the side holder 30 with the axial direction as the seat width direction. Further, the head of the side grommet 32 (the end portion on the left side of the seat) protrudes from the left side surface of the headrest 18. A side-side release knob 34 is provided at the head of the side-side grommet 32, and the side-side release knob 34 is connected to a side-side lock member (not shown). In the present embodiment, the side release knob 34 (side lock mechanism) is provided only on the side grommet 32 on the right side of the seat.

  A center stay 42, which will be described later, is inserted into the cylinder of the side grommet 32, and the side lock member locks the center stay 42, so that the movement of the center stay 42 in the sheet width direction is restricted. It is configured as follows. On the other hand, by pressing the side release knob 34, the lock on the center stay 42 by the side lock member is released, and the center stay 42 is allowed to move in the seat width direction.

  Next, the configuration of the center headrest device 40 will be described. As shown in FIG. 1, the center headrest device 40 includes a center stay 42, a center headrest 48, and a center side connection unit 54.

  The center stay 42 is formed in the shape of a long round bar, and is arranged with the axial direction being the sheet width direction. The both ends of the center stay 42 in the sheet width direction are inserted into the side grommets 32 described above, and the center stay 42 is detachably connected to the stay 16 by the side grommets 32. As a result, the center stay 42 can be bridged to the stay 16 provided on the seat back 14. Further, both ends of the center stay 42 in the sheet width direction are disposed so as to be able to contact the stopper portions 28 of the side bracket 26 described above.

  As shown in FIG. 6B, a plurality (three in this embodiment) of groove portions 44 and 46 are formed on the outer peripheral portion of the center stay 42 at the middle portion in the longitudinal direction and the right end portion of the seat, respectively. Yes. The groove portions 44 and 46 are formed in a substantially trapezoidal cross section, and are formed over the entire circumference of the outer peripheral portion of the center stay 42 along the circumferential direction of the center stay 42. The groove portion 44 at the right end of the seat of the center stay 42 is engageable with the side lock member of the side grommet 32 described above, and the center stay member is engaged with the groove portion 44 by engaging the side lock member. 42 is configured to be locked to the side grommets 32. Further, the groove portion 46 at the middle portion in the longitudinal direction of the center stay 42 is made engageable with a center side lock member of a center side grommet 60 described later, and the center side lock member is engaged with the groove portion 46. The movement of the center headrest 48, which will be described later, in the seat width direction is limited.

  As shown in FIG. 1, the center headrest 48 has a center-side pad 50 formed in a substantially cylindrical shape. The center side pad 50 is formed of a foam material such as urethane and is covered with a center side skin 52.

  As shown in FIG. 5, the center side connecting unit 54 includes a center side bracket 56, a pair of center side holders 58, and a pair of center side grommets 60 as “center side connecting members”. The center side pad 50 is provided.

  The center-side bracket 56 is made of a substantially long rectangular sheet metal, and is bent into a substantially U-shape that is opened forward of the seat when viewed from the left side of the seat. Further, the center side bracket 56 is disposed at a substantially axial center portion of the center headrest 48 with the longitudinal direction being the axial direction of the center headrest 48.

  The pair of center-side holders 58 are formed in a substantially cylindrical shape, are arranged with the axial direction being the longitudinal direction of the center-side bracket 56, and are fixed in the center-side bracket 56.

  The center side grommet 60 is made of resin and is formed in a substantially cylindrical shape. The center-side grommet 60 is disposed coaxially with the center-side pad 50 (center headrest 48) and is fixed in the center-side holder 58. Further, the head of the center side grommet 60 protrudes from the seat right side surface and the seat left side surface of the center headrest 48, and the center side grommet 60 disposed on the seat right side has a center side release knob 62. Is provided. That is, in the present embodiment, the center side release knob 62 is provided only in the center side grommet 60 arranged on the right side of the seat. The center side release knob 62 is connected to a center side lock member (not shown).

  A center stay 42 is inserted into the cylinder of the center side grommet 60, whereby the center stay 42 and the center headrest 48 are detachably connected by the center side grommet 60. Further, the center side locking member engages with the groove portion 46 in the middle portion in the longitudinal direction of the center stay 42, so that the center stay 42 is locked to the center side grommet 60 and the movement of the center headrest 48 in the seat width direction is restricted. It is configured to be. On the other hand, the center side release knob 62 is pressed to release the lock on the center stay 42 by the center side lock member, and the center headrest 48 is allowed to move in the seat width direction.

  Next, the operation and effect of the present embodiment will be described while explaining the procedure for assembling the center headrest device 40 to the rear seat 12.

  First, the center stay 42 is inserted into the center-side grommet 60 while pressing the center-side release knob 62 of the center headrest 48. Then, the center stay 42 is locked to the center side grommet 60 by releasing the pressing on the center side release knob 62 and engaging the groove 46 in the middle portion in the longitudinal direction of the center stay 42 with the center side lock member. Thereby, the center headrest 48 is assembled | attached to the center stay 42 (refer FIG. 6 (A)). At this time, since the groove portion 46 is formed in the circumferential direction of the outer peripheral portion of the center stay 42, the center headrest 48 is rotatable around the axis of the center stay 42.

  Next, as shown in FIG. 7, when the rear seat 12 is in the three-seat use state, the rear seat 12 on the left side of the seat is slid to the left side of the seat to make the two-seat use state. In this two-seat use state, the seat right side end of the center stay 42 is inserted into the seat right side grommet 32 while pressing the side release knob 34 of the rear seat 12 on the seat right side. The center stay 42 is locked to the side grommet 32 by releasing the pressure on the side release knob 34 and engaging the groove 44 at the right end of the seat of the center stay 42 with the side lock member.

  In this state, the rear seat 12 on the left side of the seat is slid to the right side of the seat, and the left end of the center stay 42 is inserted into the side grommet 32 on the left side of the seat. As a result, the center headrest device 40 is assembled to the pair of rear seats 12.

  Here, when the center headrest device 40 is assembled to the pair of rear seats 12, the center stay 42 is stretched over the pair of stays 16, and the center headrest 48 is supported by the center stay 42. Therefore, the center headrest 48 is supported by the pair of seat backs 14 (back frames) via the center stay 42 and the stay 16. Thus, the load acting on the center headrest 48 is distributed to the pair of seat backs 14 via the center stay 42 and the stay 16. Therefore, compared with the case where the headrest 18 and the center headrest 48 are supported by only one of the seat backs 14, it is possible to suppress the load from being concentrated on the one of the seat backs 14. As described above, the center headrest 48 can be provided while suppressing the concentration of the load on one of the seat backs 14.

  In addition, since the load is transmitted to the seat back 14 via the stay 16, it is possible to receive the load for two persons at a substantially intermediate portion in the seat width direction of the seat back 14. Thereby, the load can be received at a well-balanced position in the seat width direction of the seat back 14.

  A center-side grommet 60 is provided in the center-side pad 50 of the center headrest 48, and the center-side grommet 60 connects the center headrest 48 to the center stay 42 so as to be movable in the sheet width direction and detachable. Has been. Accordingly, by pressing the center side release knob 62 of the center side grommet 60 on the right side of the seat, the center headrest 48 can move relative to the center stay 42 in the seat width direction. The position at can be adjusted.

  Further, side grommets 32 are provided on the pair of stays 16, and the center stays 42 are connected to the stays 16 so as to be movable in the seat width direction and detachable by the side grommets 32. Thus, by pressing the side release knob 34, the center stay 42 can move relative to the stay 16 in the seat width direction, so that the position of the center headrest 48 in the seat width direction is also increased by the side grommet 32. Can be adjusted.

  A side bracket 26 is provided on the pair of stays 16, and a side grommet 32 is fixed (held) to the side bracket 26 via the side holder 30. The side bracket 26 is disposed so as to be inclined toward the seat front side as it goes downward with respect to the stay 16 in a side view. For this reason, the side bracket 26 can be connected to the stay 16 in accordance with the set position of the side grommet 32 that accompanies the set position of the center headrest 48 (position in the front-rear direction and the up-down direction). Moreover, the load acting on the center headrest 48 is transmitted to the pair of stays 16 and the pair of seat backs 14 via the side brackets 26. Accordingly, the load acting on the center headrest 48 can be transmitted to the pair of seat backs 14 while the side bracket 26 is connected to the stay 16 corresponding to the set positions of the center headrest 48 and the side grommets 32.

  Further, the stopper portion 28 is provided on the side bracket 26, and the end portion of the center stay 42 abuts against the stopper portion 28, thereby preventing the center stay 42 from moving outward in the sheet width direction. For this reason, when the center stay 42 is assembled to the side grommet 32, the center stay 42 can be prevented from moving to the right side or the left side of the seat more than necessary. Thereby, the assembling property when the center stay 42 is assembled to the side grommet 32 can be improved.

  The center headrest 48 is formed in a cylindrical shape, and the center stay 42 is inserted through the center of the center headrest 48. That is, the center stay 42 supports the center headrest 48 coaxially. For this reason, even if the center headrest 48 rotates around the axis of the center stay 42, a relative shape change of the center headrest 48 with respect to the head of the passenger does not occur. Thereby, a passenger | crew's head can be supported by a fixed shape.

  Furthermore, the stay 16 is supported so as to be movable relative to the seat back 14 in the seat vertical direction. For this reason, when the center headrest device 40 is not used, the position of each headrest 18 in the vertical direction can be adjusted by removing the center headrest device 40 from the stay 16.

  Further, as described above, when the center headrest device 40 is not used, the center headrest device 40 can be removed from the stay 16 (see FIG. 7), so that the vehicle interior space can be widely used.

  In the present embodiment, the center headrest device 40 is assembled to the rear seat 12 on the right side of the seat and then assembled to the rear seat 12 on the left side of the seat. Instead of this, the center headrest device 40 may be assembled to the pair of headrests 18, and the center headrest device 40 and the pair of headrests 18 in this state may be assembled to the rear seat 12.

  In the present embodiment, the side release knob 34 and the side lock member are provided only on the side grommet 32 on the right side of the vehicle. Alternatively, the side release knob 34 and the side lock member may be provided only on the side grommet 32 on the left side of the vehicle, or the side release knob 34 and the side lock member are provided on the pair of side grommets 32. May be. In this case, a groove portion 44 corresponding to the side lock member is provided in the center stay 42.

  Furthermore, in the present embodiment, only the center side grommet 60 on the right side of the vehicle is provided with the center side release knob 62 and the center side lock member. Instead of this, only the center side grommet 60 on the left side of the vehicle may be provided with the center side release knob 62 and the center side lock member, or the pair of center side grommets 60 may be provided with the center side release knob 62 and the center side lock member. It may be provided. In this case, a groove 46 corresponding to the center side lock member is provided in the center stay 42.

  In the present embodiment, the center stay 42 is inserted into the center headrest 48. Alternatively, the center stay 42 may be divided, and the divided center stays 42 may be inserted into the center headrest 48, respectively. In this case, the divided center stay 42 may be configured to be extendable and contractible in the sheet width direction.

  Further, in the present embodiment, the headrest 18 is held so as to be movable relative to the seat back 14 in the vertical direction. Instead of this, the headrest 18 may be held so as not to move relative to the seatback 14 in the vertical direction.

  In the present embodiment, the side holder 30 is fixed to the side bracket 26. Instead of this, the side bracket 26 may be omitted, and the side holder 30 may be fixed to the stay 16.

  Further, in the present embodiment, the headrest 18 is supported by the stay 16 and is divided from the seat back 14. Instead of this, the headrest 18 and the seat back 14 may be configured integrally and covered with the skin of the seat back 14. For example, a support member as a “stay” that supports a portion corresponding to the pad 20 (headrest 18) is integrally provided on the upper portion of the back frame constituting the skeleton of the seat back 14, and this side support is connected to the support member. The unit 24 may be fixed. In this case, the side bracket 26 may be omitted and the side holder 30 may be fixed to the support member.

  Further, in the present embodiment, the center headrest 48 is formed in a cylindrical shape, but the shape of the center headrest 48 is not limited to this. For example, the center headrest 48 may be formed in an elliptic cylinder shape.

  Further, in the present embodiment, a pair of center side grommets 60 are fixed to the pair of center side holders 58, respectively. Instead of this, a pair of center side holders 58 may be integrally formed in a cylindrical shape, and the center side grommet 60 may be fixed to the center side holder 58.

  In the present embodiment, the vehicle seat 10 is arranged in the second or third row of the vehicle. However, the vehicle seat 10 may be a front seat arranged in the first row of the vehicle.

  Furthermore, in the present embodiment, the pair of side 12 is configured to be in a three-seat use state by slidingly moving in the seat width direction. You may comprise three people.

DESCRIPTION OF SYMBOLS 10 Vehicle seat 14 Seat back 16 Stay 18 Headrest 26 Side bracket (holding member)
28 Stopper part (blocking part)
32 Side grommets (side side connecting members)
40 Center headrest device (headrest device)
42 Center stay 48 Center headrest 60 Center side grommet (Center side connecting member)

Claims (8)

A center stay that can be bridged between a pair of stays respectively provided on a pair of seat backs;
A center headrest provided between the pair of headrests supported by the pair of stays and supported by the centerstay;
Headrest device with   2. The headrest device according to claim 1, further comprising: a center-side connecting member that is provided on the center headrest and connects the center headrest to the center stay so as to be movable in the seat width direction and detachably.   3. The headrest device according to claim 1, further comprising: a side-side connecting member that is provided on the pair of stays and that connects the center stay to the stay so as to be movable in the seat width direction and detachable.   The headrest device according to claim 3 provided with a holding member which is provided in a pair of said stays, and holds said side connection member.   The headrest device according to claim 4, further comprising a blocking portion that is provided on the holding member and blocks the center stay from moving outward in the seat width direction. The center headrest is formed in a cylindrical shape;
The headrest device according to claim 1, wherein the center stay supports the center headrest coaxially.   The headrest device according to any one of claims 1 to 6, wherein the stay is supported so as to be movable relative to the seat back in a vertical direction. A pair of seat backs arranged along the seat width direction and supporting the back of the occupant;
A pair of stays provided at the upper part of the seat back, each supporting a headrest that supports the head of an occupant;
The headrest device according to any one of claims 1 to 7, spanned over the stay,
Vehicle seat equipped with

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