JP2006281818A - Rotation slide seat device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rotation slide seat device capable of realizing cost reduction. <P>SOLUTION: A leg upper 31 is provided on a swivel upper 14 supported on a swivel lower 13 through a rotation bearing 51 to fix a seat S. A first fixing part 101 for fixing the rotation bearing 51 is set to a portion close to a left L of the swivel upper 14 and a second fixing part 103 for fixing the rotation bearing 51 is set to a portion close to a right R of the swivel upper 14. The rotation bearing 51 can be fixed to any one of the first fixing part 101 or the second fixing part 103. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a rotating slide seat device that rotates a seat provided in a vehicle.

  2. Description of the Related Art Conventionally, a rotary slide seat device that supports getting in and out of a vehicle is known (see, for example, Patent Document 1 and Patent Document 2). A rotation mechanism that rotates toward the side door opening is provided.

  As the rotation mechanism, as shown in FIG. 15, a configuration including a swivel lower 801 constituting the vehicle body side and a swivel upper (not shown) supported by the swivel lower 801 via a rotation bearing 802 is known.

  The swivel lower 801 is formed in a rectangular shape, and an inner race fixing portion 812 to which the inner rail 811 of the bearing 802 is fixed is provided at a position shifted laterally. Further, the swivel upper disposed on the swivel lower is also formed in a rectangular shape like the swivel lower 801, and an outer race fixing portion to which the outer race 813 of the bearing 802 is fixed is provided on the swivel upper It is provided at a position shifted laterally.

The swivel lower 801 is configured to be fixed in a state where the side portion on which the inner rail fixing portion 812 is provided is disposed on the door opening side, and rotates the seat supported by the swivel upper. When moved, the seat is configured such that the front end is displaced toward the door opening.
Japanese Patent Laid-Open No. 2004-074865 Japanese Patent Laid-Open No. 9-039622

  However, such a rotating slide seat device cannot be shared between the right seat and the left seat because of the structure in which the bearing 802 is mounted close to one side.

  For this reason, it is necessary to prepare parts for the right seat and parts for the left seat so as to be able to respond according to the specification, which has been an obstacle to cost reduction.

  The present invention has been made in view of such a conventional problem, and an object of the present invention is to provide a rotating slide seat device capable of reducing the cost.

  In order to solve the above-mentioned problem, in the rotating slide seat device according to claim 1 of the present invention, a swivel lower fixed to a portion near a door opening in a state of being arranged in a vehicle, and the rotation on the swivel lower In the rotary slide seat device provided with a swivel upper supported rotatably via a bearing, a first fixing portion for fixing the rotary bearing is set at a left side portion of the swivel upper, and the swivel A second fixing portion for fixing the rotary bearing was set at a position on the right side of the upper.

  That is, when the rotary bearing provided on the door opening side is positioned on the left side with the swivel lower fixed to the vehicle, the rotary bearing is fixed to the first fixed portion set on the left side of the swivel upper. The

  On the other hand, when the rotary bearing provided on the door opening side is fixed to the right side when the vehicle is fixed, the rotary bearing is fixed to the second fixed portion set at the right side of the swivel upper.

  Further, in the rotary slide seat device according to claim 2, a left seat mounting state in which one end of the swivel lower is mounted toward the front of the vehicle and the rotary bearing is disposed on the left side, and the other end of the swivel lower is directed toward the front of the vehicle. A right seat arrangement state in which the rotation bearing is mounted and arranged on the right side can be selectively formed.

  That is, when the rotary slide seat device is installed in the left seat, one end of the swivel lower is attached toward the front of the vehicle, and a left seat attachment state in which the rotary bearing is arranged on the left side is formed. Thereby, when the swivel upper is rotated, the front end portion of the seat supported by the swivel upper can be displaced toward the door opening.

  On the other hand, when the rotary slide seat device is installed in the right seat, the other end of the swivel lower is attached toward the front of the vehicle to form a right seat arrangement state in which the rotary bearing is arranged on the right side. Thereby, when the swivel upper is rotated, the front end portion of the seat supported by the swivel upper can be displaced toward the door opening.

  Further, in the rotary slide seat device according to claim 3, the rotationally driven drive gear provided on the swivel lower side meshes with the arcuate rotary gear provided on the swivel upper side, and the swivel upper is A rotation drive unit that rotates is provided, the rotation gear and the swivel upper are configured separately, and the fixed position of the rotation gear to the swivel upper can be changed.

  In other words, the arcuate rotary gear provided on the swivel upper side must always mesh with the drive gear provided on the swivel lower side during the rotation process. However, when the rotating slide seat device is installed on the left seat, it is necessary to rotate the swivel upper to the left, and when the rotating slide seat device is installed on the right seat, it is necessary to rotate the swivel upper to the right. is there.

  Here, the rotating gear and the swivel upper are configured separately, and the fixing position of the rotating gear to the swivel upper can be changed. For this reason, by changing the fixed angle of the rotary gear to the swivel upper according to the rotation direction of the swivel upper, the swivel upper can be rotated to the right even when it is rotated to the left. Even if it exists, in the rotation process, the meshing between the rotating gear and the driving gear can be maintained.

  Further, in the rotary slide seat device according to claim 4, the rotationally driven drive gear provided on the swivel upper side and the arcuate rotary gear provided on the swivel lower side are meshed, A rotation drive unit that rotationally drives the swivel upper is provided, the rotation gear and the swivel lower are configured separately, and the fixed position of the rotation gear to the swivel lower can be changed.

  That is, the arcuate rotary gear provided on the swivel lower side needs to be always meshed with the drive gear provided on the swivel upper side during the rotation process. However, when the rotating slide seat device is installed on the left seat, it is necessary to rotate the swivel upper to the left, and when the rotating slide seat device is installed on the right seat, it is necessary to rotate the swivel upper to the right. is there.

  Here, the rotating gear and the swivel lower are configured separately, and the fixing position of the rotating gear to the swivel lower can be changed. Therefore, by changing the fixed angle of the rotary gear to the swivel lower according to the rotation direction of the swivel upper, the swivel upper can be rotated to the right even when it is rotated to the left. However, in the rotation process, the meshing between the rotating gear and the driving gear can be maintained.

  In addition, in the rotary slide seat device according to claim 5, a leg upper that is slidably supported by the swivel upper, and a hook mounting bracket to which a hook for fixing the leg upper is attached, a left side portion of the leg upper and An anchor that engages with the hook is provided on the right or left side edge of the swivel lower while being set on the right side.

  That is, the leg upper that is slidably supported by the swivel upper is provided with a hook attachment bracket to which a hook is attached on the left side and the right side, and the hook can be provided on any one of the hook attachment brackets.

  Thus, even if the orientation of the anchor that engages with the hook is changed according to the arrangement state of the swivel lower, the hook is provided on the hook mounting bracket corresponding to the anchor position, so that the anchor The engagement state of the hook to the can be ensured.

  The rotary slide seat device according to claim 6, wherein an anchor that engages with the hook is provided at either the left or right side edge of the swivel upper. The position was set on a plane crossing the traveling direction of the vehicle passing through the center of rotation.

  That is, the engagement position of the hook is set on a plane crossing the traveling direction of the vehicle passing through the rotation center, and an anchor that engages with the hook is configured on the other side of the swivel lower. Yes.

  Thereby, even if the direction of the anchor engaged with the hook is changed according to the arrangement state of the swivel lower, the engagement state of the hook with the anchor can be ensured.

  As described above, in the rotary slide seat device according to the first aspect of the present invention, when the swivel lower is fixed to the left seat provided with the door opening portion on the left side, the rotary bearing is disposed on the left side. In this case, the rotation bearing can be fixed to a first fixing portion set at a left side portion of the swivel upper.

  On the other hand, when the swivel lower is fixed to the right seat provided with the door opening on the right side, the rotary bearing is arranged on the right side. In this case, this rotational bearing can be fixed to the second fixing portion set at the right side of the swivel upper.

  Thus, it is possible to deal with both the left and right seats only by changing the fixing position of the rotary bearing provided on the swivel lower to the swivel upper. For this reason, it is possible to share parts for the right seat and the left seat. Therefore, cost reduction can be achieved.

  Further, in the rotating slide seat device according to claim 2, the rotating slide seat device can be mounted on the left and right seats only by changing the mounting direction of the swivel lower to the vehicle body when the rotating slide seat device is installed on the left seat and the left seat. Can be set.

  For this reason, the swivel lower can be shared between the right seat and the left seat.

  Further, in the rotary slide seat device according to claim 3, by changing the fixed position of the rotary gear to the swivel upper, the setting to the left and right seats can be performed without changing the setting position of the drive gear provided in the swivel lower. It becomes possible.

  In the rotary slide seat device according to the fourth aspect, by changing the fixed position of the rotary gear to the swivel lower, the left and right seats can be changed without changing the setting position of the drive gear provided in the swivel upper. Can be set.

  In addition, in the rotary slide seat device according to the fifth aspect of the present invention, it is possible to set the left and right seats by providing hooks on any of the hook mounting brackets set on the left side and the right side of the leg upper.

  In the rotary slide seat device according to claim 6, the engagement position of the hook is installed on a plane crossing the traveling direction of the vehicle passing through the rotation center, and is on the other side of the swivel lower. Is configured with an anchor that engages with the hook.

  Thereby, even if the direction of the anchor engaged with the hook is changed according to the arrangement state of the swivel lower, the engagement state of the hook with the anchor can be reliably ensured.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing a rotating slide seat device 1 according to the present embodiment, and shows a state where the rotating slide seat device 1 is installed in a right seat of a vehicle.

  That is, a fixed rail 12 extending in the vehicle front-rear direction is fixed to the floor 11 of the vehicle, and a swivel lower 13 is supported on the fixed rail 12 so as to be movable in the length direction of the fixed rail 12. Yes. A swivel upper 14 is rotatably supported by the swivel lower 13. The swivel upper 14 has a door opening portion (not shown) provided on the left side L of the vehicle and the front end of the swivel upper 14 facing the vehicle front FR. It is comprised so that the state which turned to the side can be formed.

  The swivel upper 14 is provided with slide rails 21, 21 extending in the front-rear direction. A lift drive carriage 23 driven by the lift drive unit 22 is movably supported on the slide rails 21, 21. ing. Arms 24 and 24 each having a four-bar link are provided at both ends of the elevating drive carriage 23. The arms 24 and 24 are driven by the elevating drive carriage 23, so that the upper side of the swivel upper 14 It is comprised so that it may move between the state arrange | positioned in this, and the state extended to the front end side of this swivel upper 14. As shown in FIG. During this movement, the rollers 25,... Provided on the arms 24, 24 roll on the cam surfaces 27, 27 of the lifting guide plates 26, 26 extending on both sides of the swivel upper 14. The arms 24, 24 are configured to move up and down the tip in accordance with advance / retreat driving.

  A leg upper 31 is slidably supported at the distal ends of the arms 24 and 24. The leg upper 31 is configured to be able to form a state in which the slide drive unit 32 extends to the distal end side of the arms 24, 24 and a state in which the leg upper 31 is disposed between the arms 24, 24. When placed on the swivel upper 14, the swivel upper 14 is supported so as to be slidable. An upper part of the leg upper 31 is configured such that a seat S constituting a vehicle seat is attached (see FIG. 8). Thereby, the seated person seated on the seat S can be moved between the vehicle interior position and the vehicle exterior position while seated.

  As shown in FIG. 2, the swivel lower 13 is formed in a rectangular shape, and slide portions 41 and 41 that are slidably supported by the rail portions 12 a and 12 a of the fixed rail 12 are provided at both ends. It has been. The slide portions 41 and 41 are configured to be supported by any of the rail portions 12a and 12a of the fixed rail 12, and the swivel lower 13 is connected to the fixed rail 12 with one end 42 facing the vehicle front FR. A right seat mounting state 43 that is slidably mounted (see FIG. 1) and a left seat arrangement state 45 that is slidably mounted on the fixed rail 12 with the other end 44 facing the vehicle front FR (see FIG. 9) are selected. It is comprised so that it can form automatically.

  The swivel lower 13 is provided with a rotary bearing 51 that supports the swivel upper 14. The rotary bearing 51 is configured such that an innerless 52 is fixed to the swivel lower 13, and a bearing fixing portion 53 that fixes the inner race 52 is shifted from the center of the swivel lower 13 toward the one side portion 54. Is set to the correct position.

  A plurality of bolt holes 62,... Are provided on the upper surface of the outer race 61 of the rotary bearing 51 so that the swivel upper 14 disposed on the upper portion can be fixed with bolts. A circular ring plate 63 is disposed on the upper surface of the outer race 61, and the ring plate 63 is configured to be fastened to the swivel upper 14 by the bolt. The ring plate 63 fixed to the swivel upper 14 is formed with an arc-shaped opening 64, and an arc-shaped rotating gear 65 is formed at the inner edge of the opening 64.

  The swivel lower 13 is provided with a rotation drive unit 73 including a rotation motor 71 and a drive gear 72 driven by the rotation motor 71 at a portion closer to the other end 44 than the bearing fixing unit 53. The ring plate 63 fixed to 14 is configured to be fixed at a position where the rotary gear 65 meshes with the drive gear 72.

  Further, an anchor bracket 82 extending to the side is provided on the other side portion 81 of the swivel lower 13, and elongated holes 83 and 83 into which hooks 115 to be described later are respectively inserted are provided in the anchor bracket 82. It is provided at two places (see FIG. 4). An engagement portion 84 that engages with the hook 115 is formed between the elongated holes 83, 83. The engagement portion 84 is a center of rotation by the rotary bearing 51 in the length direction of the swivel lower 13. It is provided at the same position.

  That is, the engagement position of the hook 115 described later is set on a plane that crosses the traveling direction of the vehicle passing through the rotation center. Thus, an anchor 85 that engages with the hook 115 is formed on the other side portion 81 of the swivel lower 13.

  The swivel upper 14 is formed in a rectangular shape as shown in FIG. On both sides of the swivel upper 14, the lifting guide plates 26, 26 whose upper surfaces constitute the cam surfaces 27, 27 are extended from the rear end 91 side to the front end 92 side, and the cam surface 27 Is formed to be forwardly lowered so that the tips of the arms 24, 24 are displaced downward as the arms 24, 24 are moved forward. Thereby, the mounting direction of the swivel upper 14 is determined.

  A first fixing portion 101 for fixing the outer race 61 of the rotary bearing 51 is set at a portion near the left L of the swivel upper 14, and the first fixing portion 101 is provided on the outer race 61. It is constituted by a plurality of bolt insertion holes 102 provided at positions matching the bolt holes 62. Further, a second fixing portion 103 for fixing the outer race 61 of the rotary bearing 51 is set in a portion near the right R of the swivel upper 14, and the second fixing portion 103 is configured to be the outer race. 61, a plurality of bolt insertion holes 104,... Provided at positions matching the bolt holes 62,. Accordingly, when the rotary bearing 51 is disposed closer to the left L in accordance with the mounting state of the swivel lower 13, the rotary bearing 51 can be fixed to the first fixed portion 101, while the rotary bearing 51 is In the case of being arranged near the R, the rotary bearing 51 can be fixed to the second fixing portion 103.

  As shown in FIG. 1, a plate-like left hook attachment bracket 111 extending leftward from the leg upper 31 is provided on the left side of the leg upper 31, and the right side of the leg upper 31 Is provided with a plate-like right hook mounting bracket 112 extending rightward from the leg upper 31. Extending pieces 113, 113 extending downward are provided at the tip ends of both hook mounting brackets 111, 112, and hook attaching holes 114, 114 are provided in the extending pieces 113, 113. . Accordingly, as shown in FIG. 4, the hook mounting brackets 111 and 112 are configured so that hooks 115 made of bowl-shaped plates can be swingably mounted. The hooks 115 are attached to the swivel lower 13. By engaging with the provided anchor 85, the seat S attached to the leg upper 31 can be restrained to the vehicle body via the fixed rail 12.

  In the present embodiment according to the above configuration, when the rotary slide seat device 1 is installed on the right seat provided with the door opening on the right side R of the vehicle, as shown in FIG. A right seat arrangement state 43 in which the rotation bearing 51 is arranged closer to the right R is formed by attaching the one end 42 to the fixed rail 12 fixed to the floor 11 with the vehicle front FR directed.

  At this time, the rotation bearing 51 provided in the swivel lower 13 is located closer to the right R on the door opening side. Therefore, as shown in FIG. 5, in the state where the swivel upper 14 is disposed on the swivel lower 13, the rotary bearing 51 is attached to the second fixing portion 103 set near the right R of the swivel upper 14. Fix with 63 and bolt.

  Then, the elevating drive carriage 23, the arms 24 and 24, and the leg upper 31 are sequentially attached to the swivel upper 14 to form a retracted state 121 in which the modules are arranged on the fixed rail 12 as shown in FIG. At the same time, the sheet S is fixed to the leg upper 31.

  At this time, as shown in FIG. 7, the rotation center C of the swivel upper 14 is set near the right R where the door opening is provided by the rotation bearing 51. For this reason, when the swivel upper 14 is rotated to the right, the front end portion of the seat S supported by the swivel upper 14 can be displaced toward the door opening.

  Further, left and right hook mounting brackets 111 and 112 are provided on the left side and right side of the leg upper 31, and the hook 115 can be mounted on any of the hook mounting brackets 111 and 112. ing.

  Therefore, as shown in FIGS. 7 and 8, in the right seat mounting state 43 in which the anchor 85 provided on the swivel lower 13 extends to the left L, the hook 115 is selectively attached to the left hook mounting bracket 111. By attaching, the engagement state of the hook 115 to the anchor 85 can be ensured.

  On the other hand, as shown in FIG. 9, when the rotary slide seat device 1 is installed in a left seat provided with a door opening on the left side L of the vehicle, the other end 44 of the swivel lower 13 is connected as shown in FIG. It attaches to the fixed rail 12 fixed to the floor 11 in the state toward the vehicle front FR, and the left seat arrangement | positioning state 45 in which the rotation bearing 51 is arrange | positioned at the left L side is formed.

  At this time, the rotation bearing 51 provided in the swivel lower 13 is located closer to the left L, which is the door opening side. For this reason, as shown in FIG. 11, in the state where the swivel upper 14 is disposed on the swivel lower 13, the rotary bearing 51 is connected to the first fixed portion 101 set to the left L side of the swivel upper 14. Fix with 63 and bolt.

  Then, the elevating drive carriage 23, the arms 24 and 24, and the leg upper 31 are sequentially attached to the swivel upper 14 to form a retracted state 121 in which the modules are arranged on the fixed rail 12 as shown in FIG. At the same time, the sheet S is fixed to the leg upper 31.

  At this time, as shown in FIG. 13, the rotation center C of the swivel upper 14 is set near the left L where the door opening is provided by the rotation bearing 51. Therefore, when the swivel upper 14 is rotated counterclockwise, the front end portion of the seat S supported by the swivel upper 14 can be displaced toward the door opening.

  Further, left and right hook mounting brackets 111 and 112 are provided on the left and right sides of the leg upper 14, and the hook 115 can be mounted on any of the hook mounting brackets 111 and 112. ing.

  Therefore, as shown in FIGS. 13 and 14, in the left seat mounting state 45 where the anchor 85 provided on the swivel lower 13 extends to the right R, the hook 115 is selectively attached to the right hook mounting bracket 112. By attaching, the engagement state of the hook 115 to the anchor 85 can be ensured.

  As described above, the rotating slide seat device 1 can correspond to both the left and right seats only by changing the fixing position of the rotating bearing 51 provided on the swivel lower 13 to the swivel upper 14. For this reason, it is possible to share parts for the right seat and the left seat, and it is possible to reduce the cost.

  In addition, when the rotary slide seat device 1 is installed in the left seat and in the left seat, both the left and right seats can be changed by simply changing the mounting direction of the swivel lower 13 to the fixed rail 12 fixed to the vehicle body. Can respond. Accordingly, the swivel lower 13 can be shared for the right seat and the left seat.

  Furthermore, by providing the hook 115 on either the left or right hook mounting bracket 111, 112 provided on the leg upper 31, it is possible to cope with both the left and right seats.

  The rotating gear 65 of the ring plate 63 provided on the swivel upper 14 side needs to be always meshed with the driving gear 72 provided on the swivel lower 13 side during the rotation process. However, when the rotating slide seat device 1 is installed in the left seat, the swivel upper 14 needs to be rotated to the left, and when the rotating slide seat device 1 is installed in the right seat, the swivel upper 14 is moved to the right. Need to rotate.

  At this time, the ring plate 63 provided with the rotating gear 65 and the swivel upper 14 are configured separately, and the fixing position of the ring plate 63 to the swivel upper 14 can be changed. Therefore, by changing the fixing angle of the ring plate 63 to the swivel upper 14 according to the rotation direction of the swivel upper 14, even if the swivel upper 14 is rotated counterclockwise Even in such a case, the meshing state of the rotary gear 65 and the drive gear 72 can be ensured in the rotation process.

  Therefore, it is possible to set the left and right seats without changing the setting position of the drive gear 72 provided in the swivel lower 13.

  In the present embodiment, the case where the drive gear 72 is provided on the swivel lower 13 side and the rotation gear 65 is provided on the swivel upper side is described as an example, but the present invention is not limited thereto. Instead of this, the drive gear 72 may be provided on the swivel upper 14 side, and the rotation gear 65 may be provided on the swivel lower 13 side. Even in this case, the rotation gear 65 and the swivel lower 13 are configured separately, and the fixing position of the rotation gear 65 to the swivel lower 13 can be changed, so that the drive gear provided in the swivel upper 14 can be changed. It is possible to correspond to both the left and right seats without changing the setting position 72.

It is a perspective view which shows one embodiment of this invention. It is a perspective view which shows the swivel lower of the embodiment. It is a perspective view which shows the swivel upper of the embodiment. It is a perspective view which shows the state which installed the swivel lower of the embodiment in the right seat. It is a perspective view which shows the state which attached the swivel upper on the swivel lower of FIG. It is a perspective view which shows the state which attached the leg upper on the swivel upper of FIG. It is a top view which shows the state which installed the rotation slide seat apparatus of the embodiment in the right seat. FIG. 8 is a side view of FIG. 7. It is a perspective view which shows the state which installed the rotation slide seat apparatus of the embodiment in the left seat. It is a perspective view which shows the state which installed the swivel lower of the embodiment in the left seat. It is a perspective view which shows the state which attached the swivel upper on the swivel lower of FIG. It is a perspective view which shows the state which attached the leg upper on the swivel upper of FIG. It is a top view which shows the state which installed the rotation slide seat apparatus of the embodiment in the left seat. FIG. 14 is a side view of FIG. 13. It is a perspective view which shows the conventional swivel lower.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Rotating slide seat apparatus 13 Swivel lower 14 Swivel upper 31 Leg upper 42 One end 44 Other end 51 Rotating bearing 65 Rotating gear 72 Rotating gear 72 Rotating drive part 73 Anchor 91 Rear end 92 Front end 101 1st fixing | fixed part 103 2nd fixing | fixed part 111 Left Hook mounting bracket 112 Right hook mounting bracket 115 Hook

Claims (6)

In a rotary slide seat device comprising a swivel lower in which a rotary bearing is fixed to a portion near a door opening in a state of being arranged in a vehicle, and a swivel upper supported rotatably on the swivel lower via the rotary bearing.
The first fixing part for fixing the rotary bearing to the left part of the swivel upper is set and the second fixing part for fixing the rotary bearing is set to the right part of the swivel upper. A rotating slide sheet device as a feature.   A left seat mounting state in which one end of the swivel lower is mounted toward the front of the vehicle and the rotational bearing is disposed on the left side, and a right seat arrangement in which the other end of the swivel lower is mounted toward the front of the vehicle and the rotational bearing is disposed on the right side. A rotating slide seat device characterized in that a state can be selectively formed. A rotational drive unit that rotationally drives the swivel upper by meshing a rotationally driven drive gear provided on the swivel lower side and an arc-shaped rotational gear provided on the swivel upper side,
The rotating slide seat device according to claim 1 or 2, wherein the rotating gear and the swivel upper are configured separately, and the fixing position of the rotating gear to the swivel upper can be changed. A rotational drive unit that rotationally drives the swivel upper by meshing a rotationally driven drive gear provided on the swivel upper side and an arc-shaped rotational gear provided on the swivel lower side,
The rotating slide seat device according to claim 1 or 2, wherein the rotating gear and the swivel lower are separately configured, and the fixing position of the rotating gear to the swivel lower can be changed. A leg upper that is slidably supported by the swivel upper;
A hook mounting bracket to which a hook for fixing the leg upper is attached is set on the left side and the right side of the leg upper, and an anchor that engages with the hook is provided on either the left or right side edge of the swivel lower. The rotating slide seat device according to any one of claims 1 to 4, wherein the rotating slide seat device is provided. In the structure characterized in that an anchor that engages with the hook is provided on either side edge of the swivel upper,
6. The rotating slide seat device according to claim 5, wherein the engaging position of the hook is installed on a plane that crosses the traveling direction of the vehicle passing through the center of rotation.

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