JP7353554B2 - Vehicle seat device - Google Patents

Description

The present invention provides a rotation mechanism including a rotation member to which a seat frame supporting a seat cushion is attached, a base member rotatably supporting the rotation member, and a rotation mechanism that includes a rotation member that supports the seat cushion and a rotation mechanism that includes a base member that rotatably supports the rotation member. The present invention relates to a vehicle seat device including a cushion-side pressure receiving member attached to the seat.

Such a vehicle seat device is known, for example, from Patent Document 1.

Japanese Patent Application Publication No. 2010-173491

In the device disclosed in Patent Document 1, the cushion-side pressure receiving member is disposed above the rotation mechanism, which inevitably increases the size of the seat device in the vertical direction.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicle seat device that can be made more compact in the vertical direction.

In order to achieve the above object, the present invention provides a rotating mechanism having a rotating member to which a seat frame supporting a seat cushion is attached, a base member rotatably supporting the rotating member, and a load from above the seat cushion. and a cushion-side pressure-receiving member attached to the seat frame in such a manner that the cushion-side pressure-receiving member is attached to the seat frame so that at least a portion of the cushion-side pressure-receiving member overlaps the rotation mechanism in a side view. The first feature is that it can be attached to.

Further, in addition to the configuration of the first feature, the present invention further provides a circular accommodating portion that opens upward in the center of the rotating member, and at least a part of the cushion-side pressure receiving member is connected to the rotating member when viewed from the side. A second feature is that the housing is accommodated in the housing portion so as to be located at a position overlapping the member.

In addition to the configuration of the first or second feature, the present invention provides that the cushion-side pressure receiving member is attached to the seat frame in such a way as to avoid contact with the rotation mechanism at the lowest end of the cushion-side pressure receiving member. The third feature is that it can be attached.

In addition to the configuration of the third feature, the present invention provides that the cushion-side pressure-receiving member avoids contact with the rotation mechanism at the lowermost end of the cushion-side pressure-receiving member when an occupant is seated on the seat cushion. A fourth feature is that the seat frame is attached to the seat frame in this manner.

In addition to any one of the configurations of the first to fourth features, the present invention provides a pair of seat frames in which the seat frames extend in a straight line and are fixedly arranged on the rotating member while being lined up at positions spaced apart from each other. A fifth feature is that the cushion-side pressure receiving member is disposed between the pair of side frames in a plan view.

In addition to any of the configurations of the first to fifth features, the present invention provides a seating sensor that detects the seating state of the occupant on the seat cushion at a position that avoids overlapping with the rotating member in a plan view. A sixth feature is that it is attached to a sensor attachment portion provided on the cushion side pressure receiving member.

In addition to the configuration of the sixth feature, the present invention provides a seventh feature that the load sensor that detects the load of the occupant seated on the seat cushion is arranged at a position that avoids overlapping with the seating sensor in plan view. The characteristics of

In addition to the configuration of the seventh feature, the present invention provides a pair of slide rails arranged in parallel with each other on the floor surface of the vehicle to enable the seat frame to slide, An eighth feature is that the load sensor is provided between a part of the movable rail and the base member.

Furthermore, in addition to any of the configurations of the first to eighth features, the present invention provides that the seat frame includes a pair of side frames that extend linearly and are arranged at positions spaced apart from each other; a seat cushion frame that supports a seat cushion and has one end connecting member that connects one end of the frame and the other end connecting member that connects the other end of the pair of side frames; a pair of seat back side frames that are arranged side by side and extend in the vertical direction; an upper frame that connects the upper ends of the seat back side frames; and an upper frame that connects the lower ends of the pair of seat back side frames. a seat back frame that has a lower frame and supports a seat back; and a ninth feature that the cushion side pressure receiving member is spanned between the one end connecting member and the other end connecting member. .

According to the above feature of the present invention, at least a portion of the cushion side pressure receiving member overlaps the rotation mechanism in a side view, so that the rotation mechanism and the cushion side pressure receiving member can be arranged compactly in the vertical direction.

Furthermore, particularly according to the second feature of the present invention, at least a portion of the cushion-side pressure receiving member is accommodated in the circular accommodating portion that the rotating member has in the center, so that the empty space in the center of the rotating member can be effectively utilized. By using the rotation mechanism and the cushion side pressure receiving member, it is possible to arrange the rotation mechanism and the cushion side pressure receiving member in a compact manner in the vertical direction.

In particular, according to the third feature of the present invention, the cushion-side pressure-receiving member is arranged so as to avoid contact with the rotation mechanism at its lowermost end, thereby causing mutual interference between the cushion-side pressure-receiving member and the rotation mechanism. can be prevented from occurring.

In particular, according to the fourth feature of the present invention, when the occupant is seated on the seat cushion, contact with the rotation mechanism at the lowest end of the cushion side pressure receiving member is avoided, so that the load caused by the occupant sitting is transferred to the cushion side pressure receiving pressure. Mutual interference between the cushion side pressure receiving member and the rotation mechanism can be prevented even when the cushion side pressure receiving member is applied to the member.

Particularly, according to the fifth feature of the present invention, a pair of side frames forming part of the seat frame and extending linearly while being lined up at mutually spaced positions are fixedly arranged on the rotating member, Since the side pressure receiving member is arranged between the pair of side frames in a plan view, it is possible to avoid increasing the size in the radial direction due to the arrangement of the cushion side pressure receiving member.

In particular, according to the sixth feature of the present invention, the mounting part for mounting the seating sensor is provided on the cushion side pressure receiving member at a position that avoids overlapping with the rotating member in plan view, so that the mounting part for mounting the seating sensor is This makes it possible to easily confirm the attachment of the seating sensor to the attachment portion while preventing the seat device from increasing in size in the radial direction.

In particular, according to the seventh feature of the present invention, the load sensor is arranged at a position that avoids overlapping with the seating sensor in a plan view, so that the load sensor and the seating sensor are prevented from overlapping each other in the vertical direction. It is possible to make the vehicle seat device more compact in the vertical direction, and it is also expected that the visibility of the load sensor and seating sensor will be improved.

FIG. 3 is a perspective view showing a state in which the seat frame is on the seat device. FIG. 3 is a plan view of the cushion-side pressure receiving member and the rotation mechanism viewed from above. 3 is a sectional view taken along line 3-3 in FIG. 2. FIG. FIG. 4 is a diagram of the slide rail and the rotation mechanism viewed from the direction of arrow 4 in FIG. 3; FIG. 4 is a diagram of the slide rail and the rotation mechanism viewed from the direction of arrow 5 in FIG. 3; 5 is a sectional view taken along line 6-6 in FIG. 4. FIG. FIG. 5 is a cross-sectional view taken along line 7-7 in FIG. 4, comparing a state (a) in which the locking member is in the locked position and a state (b) in which the locking member is in the unlocked position. 8 is a sectional view taken along line 8-8 in FIG. 7. FIG.

Embodiments of the present invention will be described below with reference to the accompanying drawings. In the following description, "front and back," "left and right," and "up and down" refer to the directions seen from the seated occupant when the seat is in a forward-facing position.

First, in FIG. 1, the vehicle seat device includes a pair of slide rails 13 that extend linearly in parallel with each other with an interval in the left-right direction in order to make the seat 11 slidable, and a pair of slide rails 13 that extend in a straight line parallel to each other with an interval in the left-right direction so that the seat 11 can be rotated. and a rotation mechanism 14 that is movable along the slide rail 13 while being supported by the slide rail 13.

The seat frame 15 of the seat 11 includes a seat cushion frame 16 that supports a seat cushion 11a, and a seat that is connected to the seat cushion frame 16 so as to support a seat back 11b that is arranged above the seat cushion 11a. A back frame 17 is provided.

The seat cushion frame 16 connects a pair of side frames 16a arranged so as to extend linearly in the front-back direction so as to be spaced apart from each other in the left-right direction, and the front ends of the side frames 16a. It has a pan frame 16b as one end connecting member, and a rear pipe 16c as the other end connecting member that connects the rear ends of the pair of side frames 16a.

In FIG. 2, a cushion side pressure receiving member 19 that receives a load from above the seat cushion 11a is attached to the seat frame 15, and this cushion side pressure receiving member 19 has a metal wire meandering from side to side. It has a plurality of (four in this embodiment) seat springs 20 that are curved in a zigzag pattern, and these seat springs 20 are arranged so that adjacent seat springs 20 are bilaterally symmetrical, and are formed by insert molding. Adjacent seat springs 20 are connected to each other by a plurality of resin intermediate connecting members 21 that are integrally molded with the seat springs 20.

The front end portions of the plurality of seat springs 20 are respectively engaged with locking portions 22 provided on the pan frame 16b of the seat frame 15. Further, the rear end portions of the seat springs 20 adjacent to each other are engaged with the rear pipe 16c of the seat frame 15, and are made of a resin rear end portion connecting member 23 integrally molded with the seat spring 20 by insert molding. The rear end connecting member 23 is formed to cover the rear pipe 16c.

That is, the cushion-side pressure receiving member 19 is bridged between the pan frame 16b and the rear pipe 16c of the seat cushion frame 16 in the seat frame 15, and the cushion-side pressure receiving member 19 spans between the pan frame 16b and the rear pipe 16c of the seat cushion frame 16 of the seat frame 15 in plan view. It is arranged between the pair of side frames 16a.

Referring again to FIG. 1, the seat back frame 17 includes a pair of seat back side frames 17a extending in the vertical direction so as to be spaced apart from each other in the left and right direction, and an upper end of the seat back side frames 17a. It has an upper frame 17b that connects the parts, and a lower frame 17c that connects the lower end parts of the pair of seat back side frames 17a.

A back side pressure receiving member 24 made of resin or the like so as to be elastically deformable is arranged between the pair of seat back side frames 17a, and this back side pressure receiving member 24 has an upper connecting wire 25 and a lower connecting wire 26. It spans between the left and right seat back side frames 17a via.

Referring also to FIGS. 3 to 6, the seat frame 15 is placed on the rotation mechanism 14, and the rotation mechanism 14 includes a base member 29 movable along the slide rail 13. , a rotating member 30 that supports the seat frame 15 and is rotatably supported by the base member 29, and a cover member 31 that covers a part of the rotating member 30 from above and is fixed to the base member 29. Be prepared.

The base member 29 includes an annular first bottom wall 29a, a cylindrical first side wall 29b rising upward from the outer periphery of the first bottom wall 29a, and a cylindrical first side wall 29b extending outward from the upper end of the first side wall 29b. The first flange 29c is formed in a rectangular shape.

The cover member 31 also includes an annular second bottom wall portion 31a that abuts the first bottom wall portion 29a of the base member 29 from above, and rises slightly upward from the outer periphery of the second bottom wall portion 31a. A cylindrical second side wall portion 31b, a first tapered portion 31c formed to increase in diameter upwardly and connected to the upper end of the second side wall portion 31b, and an upper end of the first tapered portion 31c. The second bottom wall portion 31a has an annular first flat wall portion 31d connected to the base member 29, and a cylindrical third side wall portion 31e rising upward from the outer periphery of the first flat wall portion 31d. is coupled to the first bottom wall portion 29a with a plurality of rivets 32.

The rotating member 30 includes a second tapered portion 30a that is disposed at a position facing the first tapered portion 31c of the cover member 31 from the outside and is formed to have a larger diameter toward the top, and the cover. A cylindrical fourth side wall 30b rising upward from the upper end of the second tapered portion 30a so as to face the second side wall 31b of the member 31 from the outside; It has a second flange portion 30c that projects, and the second flange portion 30c is formed in a rectangular shape. Further, a bracket 33 extending parallel to the slide rail 13 is fastened to the second collar portion 30c with a plurality of first bolts 34 and a plurality of second nuts 35. The side frames 16a of the seat cushion frame 16 in the seat frame 15 are coupled to this bracket 33, and the side frames 16a extend linearly and extend in a straight line while being arranged at mutually spaced positions. is fixedly disposed on the second flange portion 30c.

The rotation member 30 is rotatably supported via a bearing 37 by an annular rotation support portion 36 of the base member 29, and the rotation support portion 36 is connected to the first bottom wall portion 29a of the base member 29. The first side wall portion 29b and the first side wall portion 29b are formed to have a substantially L-shaped cross section.

The bearing 37 includes balls 39 held at multiple locations in the circumferential direction of an annular retainer 38, and the first tapered portion 31c of the rotating member 30 has an annular recess 40 for rolling the balls 39. It is formed.

By the way, in the central part of the rotating member 30, a circular accommodating part 41 constituted by the second tapered part 30a and the fourth side wall part 30b of the rotating member 30 is open upwardly and also downwardly. The cover member 31 is housed and disposed within the housing portion 41 thereof.

Further, at least a portion of the cushion-side pressure receiving member 19 is accommodated in the accommodating portion 41 so as to be located at a position overlapping with the rotating member 30 when viewed from the side. That is, in FIG. 3, at least a portion of the cushion-side pressure receiving member 19 (in this embodiment, along the longitudinal direction of the vehicle There is a part of the rear side).

Moreover, the cushion-side pressure receiving member 19 is attached to the seat cushion frame 16 of the seat frame 15 in such a way as to avoid contact with the rotation mechanism 14 at the lowest end of the cushion-side pressure receiving member 19, and Even when an occupant is seated on the seat cushion 11a, the cushion-side pressure receiving member 19 is attached to the seat cushion frame 16 in such a way as to avoid contact with the rotation mechanism 14, as shown by the two-dot chain line in FIG. It will be done.

Further, a seating sensor 43 is attached to the cushion-side pressure receiving member 19 to detect the seating state of the occupant on the seat cushion 11a, and is arranged at a position that avoids overlapping with the rotating member 30 in plan view. In this way, the seating sensor 43 is attached to the sensor attachment portion 44 provided on the cushion side pressure receiving member 19. In this embodiment, the sensor mounting portion 44 is provided on the cushion side pressure receiving member 19 near the pan frame 16b of the seat cushion frame 16.

By the way, the slide rail 13 is composed of a fixed rail 45 extending in the longitudinal direction of the vehicle and a movable rail 46 slidably fitted to the fixed rail 45. is fixed to the floor surface 47 of the vehicle via a front bracket 48, and the rear part of the fixed rail is fixed to the floor surface 47 via a rear bracket 49. Moreover, the front bracket 48 is formed higher than the rear bracket 49, and the fixed rail 45, that is, the slide rail 13 extends in the longitudinal direction of the vehicle and is inclined to become lower toward the rear in the longitudinal direction of the vehicle. .

The load of the occupant seated on the seat cushion 11a is detected by a load sensor 50, and the load sensor 50 is arranged at a position that avoids overlapping with the seating sensor 43 in plan view. , are provided at four locations between the front and rear portions of the movable rails 46 that constitute part of the pair of left and right slide rails 13 and the left and right front and rear ends of the second collar portion 30c of the rotating member 30.

7 and 8, the locking state and unlocking of the rotating member 30 with respect to the base member 29 and the cover member 31 can be switched by operating the locking member 52 supported by the rotating member 30. A rattling suppressing member 53 interlocked with the operation of the locking member 52 is disposed between the cover member 31 and the rotating member 30.

Between the first tapered portion 31c of the cover member 31 and the second tapered portion 30a of the rotating member 30, a tapered push-out member 54 whose diameter increases upward is disposed. Accommodation holes 55 that extend in the circumferential direction of the extrusion member 54 are provided at a plurality of locations spaced apart in the circumferential direction of the extrusion member 54, and the first tapered portion 31c of the cover member 31 and the rotation A rattling suppressing member 53 interposed between the second tapered portions 30a of the member 30 is accommodated in the accommodation hole 55.

On the other hand, the locking member 52 is rotatably supported on the rotating member 30 via a shaft 51 having a vertical axis, and the locking member 52 is attached to the cover of the rotating member 30 as shown in FIG. 7(a). A lock position in which the member 31 engages with the first tapered portion 31c to prevent rotation of the rotating member 30, and a lock position in which the member 31 is disengaged from the first tapered portion 31c as shown in FIG. 7(b). The rotary member 30 can be rotated between an unlocked position that allows rotation of the rotary member 30, and is urged by a spring 56 to rotate toward the locked position.

The connecting arm portion 52a of the locking member 52 is inserted into an insertion hole 57 formed in the second tapered portion 30a of the rotating member 30, and the distal end portion of the connecting arm portion 52a is formed in the pushing member 54. The locking member 52 is connected to the push-out member 54 by inserting the distal end of the connecting arm portion 52a into the connecting hole 58. As shown in FIG. 7(b), the connecting arm portion 52a is connected to the connecting hole 58 when the locking member 52 is in the unlocked position, and presses the pushing member 54 in the rotation direction. Pressure will be applied from the connecting arm 52a.

Further, in the locking position shown in FIG. Although it engages with the second through hole 60 formed in the first tapered portion 31c of the cover member 31, in the unlocked position shown in FIG. 7(b), it separates from the second through hole 60 and the cover member 31, and the engaging arm portion 52b operates to straddle the pushing member 54 between the locked position and the unlocked position.

A recess 61 for accommodating a portion of the rattling suppressing member 53 is formed in the second tapered portion 30a of the rotating member 30 so that the rattling suppressing member 53 can be tightly fitted therein. .

The rattling suppressing member 53 has a slope 53a whose height gradually decreases as it advances in a moving direction 62 of the pushing member 54 in accordance with the movement of the locking member 52 from the unlocked position to the locked position. The recess 61, which is formed into a wedge shape and enables the rattling suppressing member 53 to be tightly fitted, has a slope 61a on the recess side opposite to the slope 53a, while suppressing the rattling. It is formed into a triangular shape so as to accommodate a part of the member 53.

Further, a coil spring 63 is compressed between the front end along the movement direction 62 of both longitudinal ends of the accommodation hole 55 formed in the extrusion member 54 and the rattling suppressing member 53. The vibration suppressing member 53 is urged in a direction opposite to the moving direction 62 by the spring force exerted by the coil spring 63.

When the locking member 52 is in the locking position, the slope 53a of the rattling suppressing member 53 is tightly pressed against the slope 61a of the recess 61 on the recess side, as shown in FIG. 7(a). Due to this contact, the rattling suppressing member 52 comes into close contact with the rotating member 30 and the cover member 31, thereby preventing rattling of the rotating member 30.

Further, when the locking member 52 is in the unlocked position, as shown in FIG. The rattling suppressing member 53 comes into contact with the suppressing member 53 and is pushed in the moving direction 62 against the force of the coil spring 63, so that the slope 53a of the rattling suppressing member 53 moves into the recessed part. The rattling suppressing member 53 moves to the side away from the side slope 61a, and the rattling preventing state is released.

Next, to explain the operation of this embodiment, the cushion side pressure receiving member 19, which is attached to the seat frame 15 so as to receive a load from above the seat cushion 11a, has at least a portion of it attached to the rotation mechanism 14 in a side view. Since they are attached to the seat frame 15 in an overlapping manner, the rotation mechanism 14 and the cushion-side pressure receiving member 19 can be arranged compactly in the vertical direction.

Further, a circular accommodating portion 41 that opens upward is formed in the center of the rotating member 30 that constitutes a part of the rotating mechanism 14, and at least a portion of the cushion-side pressure receiving member 19 is connected to the rotating member 30 in a side view. Since they are accommodated in the accommodating portion 41 in overlapping positions, by effectively utilizing the empty space in the center of the rotating member 30, the rotating mechanism 14 and the cushion-side pressure receiving member 19 can be moved in the vertical direction. It can be arranged compactly.

Further, since the cushion-side pressure receiving member 19 is attached to the seat frame 15 in such a manner as to avoid contact with the rotation mechanism 14 at the lowest end of the cushion-side pressure receiving member 19, the cushion-side pressure receiving member 19 and the Mutual interference of the rotation mechanisms 14 can be prevented from occurring. In particular, the cushion side pressure receiving member 19 is attached to the seat frame 15 in a manner that avoids contact between the cushion side pressure receiving member 19 and the rotating mechanism 14 when the occupant is seated on the seat cushion 11a. Mutual interference between the cushion-side pressure-receiving member 19 and the rotation mechanism 14 can be prevented even when the cushion-side pressure-receiving member 19 is subjected to a load due to seating.

Further, the seat frame 15 is provided with a pair of side frames 16a that extend linearly and are fixedly arranged on the rotating member 30 while being lined up at positions spaced apart from each other, and the cushion side pressure receiving member 19 is Since it is arranged between the pair of side frames 16a in plan view, it is possible to avoid increasing the size in the radial direction due to the arrangement of the cushion side pressure receiving member 19.

Further, since the seating sensor 43 that detects the seating state of the occupant on the seat cushion 11a is attached to the sensor attachment portion 44 provided on the cushion-side pressure receiving member 19 at a position that avoids overlapping with the rotating member 30 in plan view, The attachment of the seating sensor 43 to the sensor attachment portion 44 can be easily confirmed while preventing the vehicle seat device from increasing in size in the radial direction due to the arrangement of the seating sensor 43.

Further, the load sensor 50 that detects the load of the occupant seated on the seat cushion 11a is arranged at a position that avoids overlapping with the seating sensor 43 in plan view, so that the load sensor 50 and the seating sensor 43 are By preventing them from overlapping each other, it is possible to make the vehicle seat device more compact in the vertical direction, and it is also expected that the visibility of the load sensor 50 and the seating sensor 43 will be improved.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various design changes can be made without departing from the scope of the invention described in the claims. is possible.

For example, the cushion side pressure receiving member is not limited to having a plurality of seat springs 20 formed by curving a metal wire in a zigzag manner so as to meander from side to side; A plurality of seat springs may be bridged between the left and right side frames.

11b...Seat back 14...Rotation mechanism 15...Seat frame 16...Seat cushion frame 16a...Side frame 16b...One end part Pan frame 16c as a connecting member...Other end part Rear pipe 17 as a connecting member...Seat back frame 17a...Seat back side frame 17b...Upper frame 17c...Lower frame 19...Cushion side pressure receiving member 29...Base member 30... Rotating member 41...accommodating part 43...seating sensor 44...sensor mounting part 46...movable rail 50...load sensor

Claims (9)

a rotating mechanism (14) having a rotating member (30) to which a seat frame (15) supporting a seat cushion (11a) is attached; and a base member (29) rotatably supporting the rotating member (30); In a vehicle seat device including a cushion-side pressure-receiving member (19) attached to the seat frame (15) so as to receive a load from above the cushion (11a), the cushion-side pressure-receiving member (19) A vehicle seat device, characterized in that it is attached to the seat frame (15) so that at least a portion thereof overlaps the rotation mechanism (14) in a side view. A circular accommodating portion (41) that opens upward is formed in the center of the rotating member (30), and at least a portion of the cushion-side pressure receiving member (19) overlaps the rotating member (30) in a side view. The vehicle seat device according to claim 1, wherein the vehicle seat device is accommodated in the accommodating portion (41) so as to be in the same position. The cushion side pressure receiving member (19) is attached to the seat frame (15) in such a way as to avoid contact with the rotation mechanism (14) at the lowest end of the cushion side pressure receiving member (19). The vehicle seat device according to claim 1 or 2. The cushion-side pressure-receiving member (19) is arranged in the seat frame in such a way that the cushion-side pressure-receiving member (19) avoids contact with the rotation mechanism (14) when an occupant is seated on the seat cushion (11a). The vehicle seat device according to claim 3, wherein the vehicle seat device is attached to (15). The seat frame (15) includes a pair of side frames (16a) that extend linearly and are fixedly arranged on the rotating member (30) while being lined up at positions spaced apart from each other, and the cushion side pressure receiving member The vehicle seat device according to any one of claims 1 to 4, characterized in that (19) is disposed between the pair of side frames (16a) in plan view. A seating sensor (43) for detecting a seating state of the occupant on the seat cushion (11a) is provided on the cushion-side pressure receiving member (19) at a position that avoids overlapping with the rotating member (30) in plan view. The vehicle seat device according to any one of claims 1 to 5, wherein the vehicle seat device is attached to a mounting portion (44). 7. The load sensor (50) for detecting the load of the occupant seated on the seat cushion (11a) is arranged at a position that avoids overlapping with the seating sensor (43) in plan view. The vehicle seat device described. A pair of slide rails (13) are provided parallel to each other on the floor surface (47) of the vehicle to allow the seat frame (15) to slide, and some of the slide rails (13) The vehicle seat device according to claim 7, wherein the load sensor (50) is provided between a movable rail (46) constituting the base member (29). The seat frame (15) is
A pair of side frames (16a) that extend linearly so as to be lined up at positions spaced from each other, one end connecting member (16b) that connects one ends of the side frames (16a), and a pair of the sides. a seat cushion frame (16) that supports the seat cushion (11a) and has a second end connecting member (16c) that connects the other ends of the frame (16a);
A pair of seat back side frames (17a) that are arranged side by side at mutually spaced positions and extend in the vertical direction, an upper frame (17b) that connects the upper ends of these seat back side frames (17a), and a pair of a seat back frame (17) having a lower frame (17c) connecting the lower ends of the seat back side frames (17a) and supporting the seat back (11b);
9. The cushion-side pressure receiving member (19) is bridged between the one end connecting member (16b) and the other end connecting member (16c). Vehicle seat device.

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