JP5888155B2 - Vehicle seat device - Google Patents

Vehicle seat device Download PDF

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Publication number
JP5888155B2
JP5888155B2 JP2012154572A JP2012154572A JP5888155B2 JP 5888155 B2 JP5888155 B2 JP 5888155B2 JP 2012154572 A JP2012154572 A JP 2012154572A JP 2012154572 A JP2012154572 A JP 2012154572A JP 5888155 B2 JP5888155 B2 JP 5888155B2
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Prior art keywords
seat
cushion
vehicle
seated person
seat cushion
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JP2012154572A
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Japanese (ja)
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JP2014015147A (en
Inventor
日比　和宏
和宏 日比
山本　仁
山本　　仁
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Toyota Auto Body Co Ltd
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Toyota Auto Body Co Ltd
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Priority to JP2012154572A priority Critical patent/JP5888155B2/en
Priority to CN201380030229.3A priority patent/CN104379399B/en
Priority to PCT/JP2013/065666 priority patent/WO2014010344A1/en
Publication of JP2014015147A publication Critical patent/JP2014015147A/en
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Publication of JP5888155B2 publication Critical patent/JP5888155B2/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1038—Manual lifting aids, e.g. frames or racks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
    • B60N2/1807—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by the cinematic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G3/00—Ambulance aspects of vehicles; Vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances, e.g. for facilitating access of, or for loading, wheelchairs
    • A61G3/02—Loading or unloading personal conveyances; Facilitating access of patients or disabled persons to, or exit from, vehicles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G3/00—Ambulance aspects of vehicles; Vehicles with special provisions for transporting patients or disabled persons, or their personal conveyances, e.g. for facilitating access of, or for loading, wheelchairs
    • A61G3/02—Loading or unloading personal conveyances; Facilitating access of patients or disabled persons to, or exit from, vehicles
    • A61G3/06—Transfer using ramps, lifts or the like
    • A61G3/062—Transfer using ramps, lifts or the like using lifts connected to the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
    • B60N2/0272—Non-manual adjustments, e.g. with electrical operation with logic circuits using sensors or detectors for detecting the position of seat parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/12—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable and tiltable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/14—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable rotatable, e.g. to permit easy access
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/225—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
    • B60N2/2252—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms in which the central axis of the gearing lies inside the periphery of an orbital gear, e.g. one gear without sun gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/245—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for handicapped persons

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Nursing (AREA)
  • Seats For Vehicles (AREA)

Description

本発明は、シートクッションとシートバックとを備えるシート本体を車室内の所定位置と車室外の乗降位置との間で移動させることが可能な車両用シート装置に関する。   The present invention relates to a vehicle seat device capable of moving a seat body including a seat cushion and a seat back between a predetermined position in a vehicle interior and a boarding / exiting position outside the vehicle interior.

例えば、介護を要する着座者が車両への乗り降りを楽に行えるようにするために、シート本体を車室内の所定位置と車室外の乗降位置との間で移動させられるようにした車両用シート装置が福祉車両において好適に利用されている。
このような車両用シート装置１００においては、乗降位置におけるシート本体１０２の高さ位置は、図１０（Ａ）に示すように、着座者Ｍが安全に乗降できるように、着座者Ｍの両足が楽に接地する低い位置に設定されている。このため、介護を要する着座者Ｍを、例えば、車椅子に移乗させる場合、介護者は着座者を抱えて立ち上がらせることが必要になる（図１０（Ｂ）参照）。これにより、介護者の負担が大きくなる。
この問題を解決するため、着座者Ｍがシート本体１０２から立ち上がろうとする際に、シート本体１０２のシートクッション（図示省略）の後部を上昇させて前記シートクッションを前傾させることで、着座者Ｍの起立を補助する機能を備えた車両用シート装置が特許文献１に記載されている。このように、着座者がシート本体１０２から立ち上がろうとするときに前記シートクッションの後部が上昇するため、着座者Ｍを抱えて立ち上がらせようとする介護者の負担が軽減される。 For example, there is a vehicle seat device in which a seat body can be moved between a predetermined position in a vehicle compartment and a boarding / exiting position outside the vehicle compartment so that a seated person requiring care can easily get on and off the vehicle. It is suitably used in welfare vehicles.
In such a vehicle seat device 100, the height position of the seat body 102 at the getting-on / off position is such that both the legs of the seated person M can safely get on and off, as shown in FIG. 10 (A). It is set to a low position where it can easily touch the ground. For this reason, when the seated person M requiring care is transferred to, for example, a wheelchair, the caregiver needs to stand up with the seated person (see FIG. 10B). This increases the burden on the caregiver.
In order to solve this problem, when the occupant M tries to stand up from the seat body 102, the seat cushion (not shown) of the seat body 102 is lifted and the seat cushion is tilted forward to raise the seat occupant M. A vehicle seat device having a function of assisting standing is described in Patent Document 1. Thus, since the rear part of the seat cushion rises when the seated person tries to stand up from the seat body 102, the burden on the caregiver who tries to stand up while holding the seated person M is reduced.

特開２０００−３１８４９６号JP 2000-318496 A

しかし、図１０（Ｃ）に示すように、着座者Ｍを車椅子Ｋから車両用シート装置１００のシート本体１０２に移乗させる場合には、介護者は着座者Ｍを車椅子Ｋから抱えて立ち上がらせることが必要になる。さらに、立ち上がらせた着座者Ｍ（図１０（Ｄ）参照）を抱えてシート本体１０２に着座させる必要がある。このため、着座者Ｍを車椅子Ｋから車両用シート装置１００のシート本体１０２に移乗させる際に介護者の負担が大きくなる。   However, as shown in FIG. 10C, when the seated person M is transferred from the wheelchair K to the seat body 102 of the vehicle seat device 100, the caregiver holds the seated person M from the wheelchair K and stands up. Is required. Furthermore, it is necessary to hold the seated person M (see FIG. 10D) standing up and seat on the seat body 102. For this reason, when the seated person M is transferred from the wheelchair K to the seat body 102 of the vehicle seat device 100, the burden on the caregiver increases.

本発明は、上記問題点を解決するためになされたものであり、本発明が解決しようとする課題は、着座者を車椅子から車両用シート装置のシート本体に移乗させる際の介護者の負担を軽減することである。   The present invention has been made to solve the above-mentioned problems, and the problem to be solved by the present invention is that the burden on the caregiver when the seated person is transferred from the wheelchair to the seat body of the vehicle seat device. It is to reduce.

上記した課題は、各請求項の発明によって解決される。
請求項１の発明は、シートクッションがシートフレームに対して、そのシートクッションの前部を中心に上下回動が可能で、前記シートクッションの後部に連結されたシートバックが前記シートクッションに対して傾斜可能に構成されたシート本体と、前記シート本体に設けられており、前記シートクッションの後部を昇降させて、そのシートクッションを前傾位置と着座位置間で上下回動させるクッション昇降機構と、同じくシート本体に設けられており、前記シートクッションに対する前記シートバックの傾斜角度を調整可能なリクライニング機構と、前記シート本体を車室内の所定位置と車室外の乗降位置間で移動させるシート移動装置とを有しており、車室外の乗降位置にある前記シート本体に対して着座者を対向する車椅子から移乗させる際、その着座者が前記シート本体の前側から前傾状態の前記シートバックに抱き着いた状態で、前記クッション昇降機構が前記シートクッションの後部を着座位置から前傾位置まで上昇させ、前記リクライニング機構が前記シートバックを前傾状態から起立させられるように構成されていることを特徴とする。 The above-described problems are solved by the inventions of the claims.
In the first aspect of the invention, the seat cushion can be pivoted up and down around the front portion of the seat cushion with respect to the seat frame, and the seat back connected to the rear portion of the seat cushion is relative to the seat cushion. A seat body configured to be tiltable, and a cushion lifting mechanism that is provided on the seat body, raises and lowers a rear portion of the seat cushion, and rotates the seat cushion vertically between a forward tilt position and a seating position; A reclining mechanism that is also provided in the seat body and can adjust an inclination angle of the seat back with respect to the seat cushion, and a seat moving device that moves the seat body between a predetermined position in the vehicle interior and a boarding / exiting position outside the vehicle interior. And the seated person is moved from the wheelchair facing the seat body at the boarding / exiting position outside the passenger compartment. When the seat is held by the seat occupant on the seat back in the forward tilted state from the front side of the seat body, the cushion lifting mechanism raises the rear portion of the seat cushion from the seating position to the forward tilted position, and the reclining mechanism Is configured such that the seat back can be erected from a forward inclined state.

本発明によると、車椅子の着座者がシート本体の前側から前傾状態のシートバックに抱き着いた状態で、シートクッションの後部が着座位置から前傾位置まで上昇し、シートバックが前傾状態から起立可能なように構成されている。このように、シートクッションの後部が着座位置から前傾位置まで上昇することで、シートバックが全体的に上昇する。さらに、シートバックが前傾状態から起立することで、そのシートバックの上部が上昇するようになる。この結果、前記シートバックに抱き着いた着座者はそのシートバックによって上方に引き上げられる。これにより、着座者を車椅子から抱え上げる介護者の負担軽減を図ることができる。   According to the present invention, in a state where a seated person in a wheelchair is hugged from a front side of a seat body on a seatback in a forward tilted state, the rear portion of the seat cushion is raised from the seating position to the forward tilted position, and the seatback is raised from the forward tilted state. It is configured as possible. As described above, the rear portion of the seat cushion rises from the seating position to the forward tilt position, so that the seat back rises as a whole. Furthermore, when the seat back stands up from the forward tilted state, the upper portion of the seat back rises. As a result, the seated person who is hugging the seat back is pulled up by the seat back. Thereby, the burden of the caregiver holding a seated person from a wheelchair can be reduced.

請求項２の発明によると、シート本体には、シートバックに抱き着いた着座者の左右の腋の下に通されてそのシートバックに掛けられる着座者支えベルトが設けられていることを特徴とする。
このように、着座者支えベルトにより着座者の体重が受けられるため、腕力が低下している着座者の場合でも安全に立ち上がらせることができる。 According to a second aspect of the present invention, the seat body is provided with a seater support belt that is passed under the left and right heels of the seated person who is hugging the seat back and is hung on the seat back.
Thus, since the weight of the seated person can be received by the seated person support belt, it is possible to safely stand up even in the case of the seated person with weak arm strength.

請求項３の発明によると、前記シート移動装置は、乗降位置にあるシート本体のシートクッションの前端を着座者の膝に当接可能な高さ位置に保持できるように構成されていることを特徴とする。
このため、着座者がシート本体のシートバックによって上方に引き上げられる際に、その着座者の膝がシート本体のシートクッションの前端に当接する。このため、着座者が安定して立ち上がれるようになる。 According to a third aspect of the present invention, the seat moving device is configured to be able to hold the front end of the seat cushion of the seat body in the getting-on / off position at a height position capable of contacting the knee of the seated person. And
For this reason, when the seated person is pulled up by the seat back of the seat body, the knee of the seated person comes into contact with the front end of the seat cushion of the seat body. For this reason, the seated person can stand up stably.

本発明によると、着座者を車椅子から車両用シート装置のシート本体に移乗させる際の介護者の負担が軽減される。   According to the present invention, the burden on the caregiver when the seated person is transferred from the wheelchair to the seat body of the vehicle seat device is reduced.

本発明の実施形態１に係る車両用シート装置を車両の斜め後方から見た模式斜視図である。It is the model perspective view which looked at the vehicle seat apparatus which concerns on Embodiment 1 of this invention from the diagonally backward of the vehicle. 前記車両用シート装置のシート移動装置の動作を表す模式側面図である。It is a model side view showing operation | movement of the seat moving apparatus of the said vehicle seat apparatus. 前記車両用シート装置のシート移動装置の動作を表す模式側面図である。It is a model side view showing operation | movement of the seat moving apparatus of the said vehicle seat apparatus. 前記車両用シート装置のシート移動装置の動作を表す模式側面図である。It is a model side view showing operation | movement of the seat moving apparatus of the said vehicle seat apparatus. 前記車両用シート装置のシート本体の移動動作を表す模式平面図である（Ａ図、Ｂ図、Ｃ図、Ｄ図、Ｅ図）。It is a schematic plan view showing the movement operation | movement of the seat main body of the said vehicle seat apparatus (A figure, B figure, C figure, D figure, E figure). 前記車両用シート装置のリクライニング機構を表す模式側面図である。It is a model side view showing the reclining mechanism of the said vehicle seat apparatus. 着座者を車椅子から車両用シート装置のシート本体に移乗させる際のシート本体の動作を表す側面図である。It is a side view showing operation | movement of a seat main body at the time of transferring a seated person from a wheelchair to the seat main body of a vehicle seat apparatus. 着座者を車椅子から車両用シート装置のシート本体に移乗させる際のシート本体の動作を表す側面図である。It is a side view showing operation | movement of a seat main body at the time of transferring a seated person from a wheelchair to the seat main body of a vehicle seat apparatus. 着座者を車椅子から車両用シート装置のシート本体に移乗させる際のシート本体の動作を表す側面図である。It is a side view showing operation | movement of a seat main body at the time of transferring a seated person from a wheelchair to the seat main body of a vehicle seat apparatus. 従来の車両用シート装置を表す模式側面図（Ａ図、Ｂ図、Ｃ図、Ｄ図）である。It is a schematic side view (A figure, B figure, C figure, D figure) showing the conventional vehicle seat apparatus.

［実施形態１］
以下、図１〜図９に基づいて、本発明の実施形態１に係る車両用シート装置の説明を行なう。本実施形態に係る車両用シート装置は、介護を要する着座者が車両への乗降を行なう際に使用される装置である。
ここで、図中の前後左右及び上下は、車両の前後左右及び上下に対応している。 [Embodiment 1]
Hereinafter, based on FIGS. 1-9, the vehicle seat apparatus which concerns on Embodiment 1 of this invention is demonstrated. The vehicle seat device according to the present embodiment is a device used when a seated person who needs care gets on and off the vehicle.
Here, front and rear, right and left and up and down in the figure correspond to front and rear, left and right and up and down of the vehicle.

＜車両用シート装置Ｓの概要について＞
車両用シート装置Ｓは、図１等に示すように、車両Ｃの助手席として使用されるシートであり、シート本体１０と、そのシート本体１０を車室内の所定位置と車室外の乗降位置間で移動させるシート移動装置２００とから構成されている。
シート移動装置２００は、図２〜図４の模式側面図に示すように、車室内のフロアＦ上に設置された前後スライド機構２０と、その前後スライド機構２０の前後スライドベース２１上に設置された回転機構３０と、その回転機構３０の回転ベース３５上に設置された昇降機構５０、及び外内スライド機構７０とを備えており、前記外内スライド機構７０上にシート本体１０が設置されている。 <About the outline of the vehicle seat device S>
As shown in FIG. 1 and the like, the vehicle seat device S is a seat used as a passenger seat of the vehicle C, and the seat body 10 and the seat body 10 between a predetermined position in the vehicle interior and a boarding / exiting position outside the vehicle interior. It is comprised from the sheet | seat movement apparatus 200 moved by.
The seat moving device 200 is installed on the front / rear slide mechanism 20 installed on the floor F in the vehicle interior and the front / rear slide base 21 of the front / rear slide mechanism 20 as shown in the schematic side views of FIGS. A rotating mechanism 30, an elevating mechanism 50 installed on a rotating base 35 of the rotating mechanism 30, and an outer / inner slide mechanism 70. The seat body 10 is installed on the outer / inner slide mechanism 70. Yes.

シート移動装置２００の前後スライド機構２０は、車室内でシート本体１０を車両前後方向に移動させる機構である。前後スライド機構２０は、図２等に示すように、車両フロアＦの固定ベース２３上で車両前後方向に延びるように設置された左右一対の固定側レール２２と、それらの固定側レール２２に前後スライド可能な状態で支持される前後スライドベース２１と、駆動部２４とから構成されている。
前後スライドベース２１上には、回転機構３０が設置されている。回転機構３０は、シート本体１０を車両前向き位置と乗降口Ｄ側を向いた横向き位置との間で約100°水平回転させる機構であり、前後スライドベース２１に対して水平回転可能な回転ベース３５を備えている。 The front / rear slide mechanism 20 of the seat moving device 200 is a mechanism that moves the seat body 10 in the vehicle front-rear direction in the vehicle interior. As shown in FIG. 2 and the like, the front / rear slide mechanism 20 includes a pair of left and right fixed-side rails 22 installed on the fixed base 23 of the vehicle floor F so as to extend in the vehicle front-rear direction. It comprises a front / rear slide base 21 supported in a slidable state and a drive unit 24.
A rotation mechanism 30 is installed on the front / rear slide base 21. The rotation mechanism 30 is a mechanism that horizontally rotates the seat body 10 between the vehicle front-facing position and the lateral position facing the entrance / exit D, and a rotation base 35 that can rotate horizontally with respect to the front / rear slide base 21. It has.

回転ベース３５上には、昇降機構５０が設置されている。昇降機構５０は、図２〜図４に示すように、車室外でシート本体１０を昇降させる機構であり、水平方向の駆動源となる横スライド機構４０（図４参照）と、横スライド機構４０の横スライドベース４４のスライド動作を受けて上下方向に回動する四節リンク機構５１と、四節リンク機構５１により昇降させられる昇降ベース５５とを有している。そして、前記昇降ベース５５上に外内スライド機構７０を介してシート本体１０が設置されている。
外内スライド機構７０は、図４に示すように、シート本体１０を支持するシート用ベース７５を備えており、昇降機構５０の昇降ベース５５に対してシート用ベース７５をシート本体１０の前後方向にスライドできるように構成されている。 An elevating mechanism 50 is installed on the rotation base 35. As shown in FIGS. 2 to 4, the elevating mechanism 50 is a mechanism for elevating the seat body 10 outside the passenger compartment, and includes a horizontal slide mechanism 40 (see FIG. 4) serving as a horizontal driving source, and a horizontal slide mechanism 40. The four-joint link mechanism 51 that rotates in the vertical direction in response to the slide operation of the horizontal slide base 44 and the lift base 55 that is lifted and lowered by the four-joint link mechanism 51 are provided. The seat body 10 is installed on the elevating base 55 via the outer / inner slide mechanism 70.
As shown in FIG. 4, the outer / inner slide mechanism 70 includes a seat base 75 that supports the seat body 10, and the seat base 75 is moved in the front-rear direction of the seat body 10 with respect to the lift base 55 of the lift mechanism 50. It is configured to be able to slide.

＜シート移動装置２００の動作概要について＞
次に、図５に基づいてシート移動装置２００の動作概要について説明する。
シート本体１０を車室内の所定位置から車室外の乗降位置まで移動させる場合には、車両ＣのドアＤｒを開放した後、降車スイッチを操作する。
これにより、図５（Ａ）〜（Ｃ）に示すように、回転機構３０がシート本体１０を左回転させ、シート本体１０が一定角度左回転した後、前後スライド機構２０が前後スライドベース２１を前方にスライドさせる。即ち、シート本体１０は、前方に移動しつつ、左回転するようになる（回転スライド）。これにより、図５（Ｃ）の二点鎖線に示すように、シート本体１０と車両ＣのセンターピラーＰとの干渉が回避されるようになる。
そして、シート本体１０が約90°回転して乗降口Ｄ側を向くと、外内スライド機構７０が動作して、図５（Ｄ）、及び図３に示すように、シート本体１０が昇降機構５０の昇降ベース５５に対して前進する。これにより、シート本体１０が乗降口Ｄから車室外に振出されるようになる（外スライド）。 <About the operation outline of the sheet moving apparatus 200>
Next, an outline of the operation of the sheet moving apparatus 200 will be described with reference to FIG.
When the seat body 10 is moved from a predetermined position in the vehicle interior to a boarding / exiting position outside the vehicle interior, after the door Dr of the vehicle C is opened, an exit switch is operated.
Accordingly, as shown in FIGS. 5A to 5C, the rotation mechanism 30 rotates the seat body 10 counterclockwise, and after the seat body 10 rotates counterclockwise by a certain angle, the front-rear slide mechanism 20 moves the front-rear slide base 21. Slide forward. That is, the seat body 10 rotates counterclockwise while moving forward (rotating slide). As a result, interference between the seat body 10 and the center pillar P of the vehicle C is avoided as shown by the two-dot chain line in FIG.
When the seat body 10 rotates about 90 ° and faces the entrance / exit D, the outer / inner slide mechanism 70 operates, and the seat body 10 moves up and down as shown in FIGS. It moves forward with respect to 50 lift bases 55. As a result, the seat body 10 is swung out of the passenger compartment from the entrance D (outside slide).

次に、横スライド機構４０の横スライドベース４４が四節リンク機構５１を前進させることで、図５（Ｅ）、及び図４に示すように、四節リンク機構５１が下方に回動し、昇降ベース５５と共にシート本体１０が前進しつつ水平に下降するようになる。そして、シート本体１０が乗降位置に到達した段階で昇降機構５０が停止する。
なお、シート本体１０を乗降位置から車室内まで移動させる場合には、乗車スイッチを操作することで、上記した場合と逆の動作で車両用シート装置Ｓが動作するようになる。 Next, as the horizontal slide base 44 of the horizontal slide mechanism 40 advances the four-bar linkage mechanism 51, the four-bar link mechanism 51 rotates downward as shown in FIG. 5 (E) and FIG. The seat body 10 moves horizontally together with the lifting base 55 while moving forward. Then, when the seat body 10 reaches the getting-on / off position, the lifting mechanism 50 stops.
When the seat body 10 is moved from the boarding / exiting position to the passenger compartment, the vehicle seat device S is operated by an operation reverse to that described above by operating the boarding switch.

＜シート本体１０の構成について＞
次に、シート本体１０の具体的な構成について説明する。
シート本体１０は、図６、図７〜図９に示すように、シートクッション１１と、シートバック１２と、シートフレーム１５と、クッション昇降機構８０と、リクライニング機構９０とを備えており、前記シートフレーム１５が外内スライド機構７０のシート用ベース７５に固定されている。
シートクッション１１は、そのシートクッション１１の前下部がヒンジ機構８１を介してシートフレーム１５の前上部に連結されており、シートフレーム１５に対してそのシートクッション１１の前部を中心に上下回動可能に構成されている。そして、シートクッション１１とシートフレーム１５間に、シートクッション１１の後部を押上げるクッション昇降機構８０が設けられている。
また、シートバック１２は、リクライニング機構９０の働きでシートクッション１１に対して傾斜可能に構成されている。
さらに、シート本体１０には、そのシート本体１０の降車動作を行なうための降車スイッチ（図示省略）と、前記シート本体１０の乗車動作を行なうための乗車スイッチ（図示省略）とが設けられている。 <About the structure of the sheet body 10>
Next, a specific configuration of the seat body 10 will be described.
As shown in FIGS. 6 and 7 to 9, the seat body 10 includes a seat cushion 11, a seat back 12, a seat frame 15, a cushion elevating mechanism 80, and a reclining mechanism 90. The frame 15 is fixed to the seat base 75 of the outer / inner slide mechanism 70.
The seat cushion 11 is connected to the front upper portion of the seat frame 15 via a hinge mechanism 81 at the front lower portion of the seat cushion 11 and pivots up and down around the front portion of the seat cushion 11 with respect to the seat frame 15. It is configured to be possible. A cushion raising / lowering mechanism 80 that pushes up the rear portion of the seat cushion 11 is provided between the seat cushion 11 and the seat frame 15.
Further, the seat back 12 is configured to be tiltable with respect to the seat cushion 11 by the action of the reclining mechanism 90.
Further, the seat body 10 is provided with a dismounting switch (not shown) for performing the dismounting operation of the seat body 10 and a boarding switch (not illustrated) for performing the riding operation of the seat body 10. .

＜クッション昇降機構８０について＞
クッション昇降機構８０は、図７、図８に示すように、シートフレーム１５に対してシートクッション１１の後部を昇降させて、そのシートクッション１１を前傾位置と着座位置間で上下回動させる機構である。クッション昇降機構８０は、上記したように、シートフレーム１５とシートクッション１１間に配置されており、シートフレーム１５側に設置された駆動モータ８３とピニオンギヤ８４、ドリブンギヤ８５とを備えている。駆動モータ８３は横方向（水平方向）に突出する出力軸（図示省略）を備えており、その出力軸にピニオンギヤ８４が同軸に固定されている。ドリブンギヤ８５は、前記ピニオンギヤ８４と噛合するギヤであり、軸受（図示省略）に支持された水平な中心軸８５ｃを中心に回転可能に構成されている。さらに、ドリブンギヤ８５には、そのドリブンギヤ８５の半径方向外側に突出する連結リンク部８５ｒが設けられている。そして、連結リンク部８５ｒの先端に設けられた連結ピン８５ｐがシートクッション１１側に設けられたガイドスリット８７に嵌め込まれている。ガイドスリット８７は、シートクッション１１の前後方向に延びるように形成されており、ドリブンギヤ８５の連結リンク部８５ｒの連結ピン８５ｐがガイドスリット８７に沿って移動可能に構成されている。 <About the cushion lifting mechanism 80>
As shown in FIGS. 7 and 8, the cushion elevating mechanism 80 elevates and lowers the rear portion of the seat cushion 11 with respect to the seat frame 15 and rotates the seat cushion 11 between the forward tilt position and the seating position. It is. As described above, the cushion elevating mechanism 80 is disposed between the seat frame 15 and the seat cushion 11, and includes the drive motor 83, the pinion gear 84, and the driven gear 85 installed on the seat frame 15 side. The drive motor 83 includes an output shaft (not shown) protruding in the lateral direction (horizontal direction), and a pinion gear 84 is coaxially fixed to the output shaft. The driven gear 85 is a gear that meshes with the pinion gear 84, and is configured to be rotatable around a horizontal central shaft 85c supported by a bearing (not shown). Further, the driven gear 85 is provided with a connecting link portion 85r protruding outward in the radial direction of the driven gear 85. And the connection pin 85p provided in the front-end | tip of the connection link part 85r is engage | inserted by the guide slit 87 provided in the seat cushion 11 side. The guide slit 87 is formed so as to extend in the front-rear direction of the seat cushion 11, and the connection pin 85 p of the connection link portion 85 r of the driven gear 85 is configured to be movable along the guide slit 87.

上記構成により、図７に示す状態で、駆動モータ８３がピニオンギヤ８４を正転（右回転）させると、ドリブンギヤ８５が中心軸８５ｃを中心に左回転し、連結リンク部８５ｒが徐々に起立するようになる。これにより、シートクッション１１の後部がドリブンギヤ８５の連結リンク部８５ｒにより押上げられて、そのシートクッション１１が着座位置から徐々に前傾するようになる。このとき、連結リンク部８５ｒの連結ピン８５ｐは、図８に示すように、連結リンク部８５ｒの起立に伴ってシートクッション１１のガイドスリット８７に沿って前下方に移動するようになる。
また、図８に示す状態で、駆動モータ８３がピニオンギヤ８４を逆転（左回転）させると、ドリブンギヤ８５が中心軸８５ｃを中心に右回転し、連結リンク部８５ｒが徐々に倒伏するようになる。これにより、シートクッション１１の後部がドリブンギヤ８５の連結リンク部８５ｒと共に下降し、シートクッション１１は前傾位置から着座位置に戻されるようになる。このとき、連結リンク部８５ｒの連結ピン８５ｐは、連結リンク部８５ｒの倒伏に伴ってシートクッション１１のガイドスリット８７に沿って後方に移動するようになる。 With the above configuration, when the drive motor 83 rotates the pinion gear 84 in the normal direction (right rotation) in the state shown in FIG. 7, the driven gear 85 rotates counterclockwise around the central shaft 85c, and the connecting link portion 85r gradually rises. become. As a result, the rear portion of the seat cushion 11 is pushed up by the connecting link portion 85r of the driven gear 85, and the seat cushion 11 gradually tilts forward from the seating position. At this time, the connecting pin 85p of the connecting link portion 85r moves forward and downward along the guide slit 87 of the seat cushion 11 as the connecting link portion 85r rises as shown in FIG.
In the state shown in FIG. 8, when the drive motor 83 rotates the pinion gear 84 in the reverse direction (left rotation), the driven gear 85 rotates right about the central axis 85c, and the connecting link portion 85r gradually falls. As a result, the rear portion of the seat cushion 11 is lowered together with the connecting link portion 85r of the driven gear 85, and the seat cushion 11 is returned from the forward tilt position to the seating position. At this time, the connecting pin 85p of the connecting link portion 85r moves rearward along the guide slit 87 of the seat cushion 11 as the connecting link portion 85r falls down.

＜リクライニング機構９０について＞
リクライニング機構９０は、図６に示すように、シートバック１２側に設けられた外歯ギヤ９２と、シートクッション１１側で前記外歯ギヤ９２を囲むように設けられて、その外歯ギヤ９２と噛合する内歯ギヤ９４と、外歯ギヤ９２を回転させるリクライニングモータ（図示省略）と、リクライニング原点を検出するリミットスイッチ９６とから構成されている。
上記構成により、例えば、外歯ギヤ９２が図６において右回転すると、シートバック１２がシートクッション１１に対して後方に倒れるようになる。また、外歯ギヤ９２が図６において左回転すると、シートバック１２がシートクッション１１に対して前方に倒れるようになる。 <About the reclining mechanism 90>
As shown in FIG. 6, the reclining mechanism 90 is provided so as to surround the external gear 92 provided on the seat back 12 side and the external gear 92 on the seat cushion 11 side. The internal gear 94 is configured to be engaged, a reclining motor (not shown) that rotates the external gear 92, and a limit switch 96 that detects the reclining origin.
With the above configuration, for example, when the external gear 92 rotates to the right in FIG. 6, the seat back 12 falls backward with respect to the seat cushion 11. Further, when the external gear 92 rotates counterclockwise in FIG. 6, the seat back 12 falls forward with respect to the seat cushion 11.

＜車両用シート装置Ｓの動作について＞
次に、乗降位置にあるシート本体１０に対して介護を必要とする着座者Ｍが車椅子Ｋから移乗する場合の手順を説明する。
この場合、介護者は、先ず、着座者Ｍを乗せた車椅子Ｋをシート本体１０に対して向かい合うように配置する。次に、シート移動装置２００の昇降機構５０を動作させてシート本体１０のシートクッション１１の高さ位置を着座者Ｍの膝の高さに合わせるようにする。次に、図７に示すように、シート本体１０のリクライニング機構９０を動作させてシートバック１２をシートクッション１１に対して前方に倒すようにする。
この状態で、介護者は、図７に示すように、着座者支えベルト９９を着座者Ｍの腋の下に通した後、シートバック１２のヘッドレスト１２ｈの位置に掛けるようにする。
ここで、着座者Ｍが比較的腕力がある場合には、着座者支えベルト９９を省力することも可能である。 <Operation of the vehicle seat device S>
Next, a procedure when the seated person M who needs care for the seat body 10 in the getting-on / off position transfers from the wheelchair K will be described.
In this case, the caregiver first arranges the wheelchair K on which the seated person M is placed so as to face the seat body 10. Next, the elevating mechanism 50 of the seat moving device 200 is operated so that the height position of the seat cushion 11 of the seat body 10 matches the height of the knee of the seated person M. Next, as shown in FIG. 7, the reclining mechanism 90 of the seat body 10 is operated so that the seat back 12 is tilted forward with respect to the seat cushion 11.
In this state, as shown in FIG. 7, the caregiver passes the seat occupant support belt 99 under the heel of the seat occupant M and then hangs on the position of the headrest 12 h of the seat back 12.
Here, when the seated person M has relatively high arm strength, the seated person supporting belt 99 can be saved.

次に、着座者Ｍがシートバック１２の上部に抱き着いた状態で、シート本体１０のクッション昇降機構８０を動作させる。これにより、シートクッション１１の後部が上昇して、図８に示すように、シートクッション１１が着座位置から前傾位置まで上方に回動する。これにより、シートバック１２が全体的に上昇するようになる。さらに、クッション昇降機構８０とほぼ同時にリクライニング機構９０を動作させて、シートバック１２を前傾状態から起立させる。これによって、シートバック１２のヘッドレスト１２ｈの位置が上昇する。この結果、着座者Ｍは着座者支えベルト９９を介してシートバック１２により上方に引き上げられて車椅子Ｋから立ち上がり易くなる。これにより、着座者Ｍを抱え上げる介護者の負担軽減が図られる。
そして、この状態から着座者Ｍが体の向きを変えることで、図９に示すように、着座者Ｍが容易にシート本体１０に着座できるようになる。このとき、シートクッション１１の後部が上昇して、シートクッション１１は前傾位置にあるため、着座者Ｍは腰を少し落とすだけでシートクッション１１に着座できるようになる。したがって、着座者Ｍ、及び着座者Ｍを抱える介護者の負担軽減を図ることができる。 Next, the cushion raising / lowering mechanism 80 of the seat body 10 is operated in a state where the seated person M is hugged on the upper portion of the seat back 12. As a result, the rear portion of the seat cushion 11 is raised, and the seat cushion 11 is rotated upward from the seating position to the forward tilt position as shown in FIG. As a result, the seat back 12 rises as a whole. Further, the reclining mechanism 90 is operated almost simultaneously with the cushion elevating mechanism 80, and the seat back 12 is raised from the forward inclined state. As a result, the position of the headrest 12h of the seat back 12 is raised. As a result, the seated person M is easily lifted up by the seat back 12 via the seated person supporting belt 99 and easily rises from the wheelchair K. As a result, the burden on the caregiver holding the seated person M can be reduced.
Then, by changing the body orientation of the seated person M from this state, the seated person M can easily sit on the seat body 10 as shown in FIG. At this time, since the rear part of the seat cushion 11 is raised and the seat cushion 11 is in the forward tilt position, the seated person M can sit on the seat cushion 11 by dropping his / her waist slightly. Therefore, the burden on the seated person M and the caregiver holding the seated person M can be reduced.

＜本実施形態に係る車両用シート装置Ｓの長所について＞
本発明によると、車椅子Ｋの着座者Ｍがシート本体１０の前側から前傾状態のシートバック１２に抱き着いた状態で、シートクッション１１の後部が着座位置から前傾位置まで上昇し、シートバック１２が後方に傾斜可能なように構成されている。このように、シートクッション１１の後部が着座位置から前傾位置まで上昇することで、シートバック１２が全体的に上昇する。さらに、シートバック１２が前傾状態から後方に傾斜することで、そのシートバック１２の上部が上昇するようになる。この結果、シートバック１２に抱き着いた着座者Ｍはそのシートバック１２によって上方に引き上げられるようになる。これにより、着座者Ｍを車椅子Ｋから抱え上げる介護者の負担軽減を図ることができる。
また、着座者支えベルト９９により着座者Ｍの体重が受けられるため、腕力が低下している着座者Ｍの場合でも安全に立ち上がらせることができる。
また、シート移動装置２００は、乗降位置にあるシート本体１０のシートクッション１１の前端を着座者Ｍの膝に当接可能な高さ位置に保持できるように構成されている。このため、着座者Ｍがシート本体１０によって引き上げられる際に、その着座者Ｍの膝がシート本体１０のシートクッション１１の前端上部に当接する。このため、着座者Ｍが安定して立ち上がれるようになる。 <Advantages of the vehicle seat device S according to the present embodiment>
According to the present invention, in the state where the seated person M of the wheelchair K is hugged from the front side of the seat main body 10 to the seat back 12 in the forward tilted state, the rear portion of the seat cushion 11 rises from the seated position to the forward tilted position. Is configured to be tiltable backward. Thus, the seat back 12 ascends as a whole by the rear portion of the seat cushion 11 rising from the seating position to the forward tilt position. Furthermore, when the seat back 12 is tilted backward from the forward tilted state, the upper portion of the seat back 12 is raised. As a result, the seated person M who is hugging the seat back 12 is pulled up by the seat back 12. Thereby, the burden of the caregiver holding the seated person M from the wheelchair K can be reduced.
Further, since the weight of the seated person M can be received by the seated person support belt 99, the seated person M whose arm strength is reduced can be safely raised.
The seat moving device 200 is configured to be able to hold the front end of the seat cushion 11 of the seat main body 10 in the getting-on / off position at a height position where it can abut against the knee of the seated person M. For this reason, when the seated person M is pulled up by the seat body 10, the knee of the seated person M comes into contact with the upper front end of the seat cushion 11 of the seat body 10. For this reason, the seated person M can stand up stably.

＜変更例＞
ここで、本発明は上記実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲における変更が可能である。例えば、本実施形態では、クッション昇降機構８０をピニオンギヤ８４とドリブンギヤ８５等とから構成する例を示した。しかし、ピニオンギヤ８４とドリブンギヤ８５等の代わりに、油圧シリンダを使用したり、ボルト＆ナット機構、あるいはラック＆ピニオン機構等を使用することも可能である。
また、本実施形態では、助手席に本発明を適用する例を示したが、助手席以外のシートに本発明を適用することも可能である。 <Example of change>
Here, the present invention is not limited to the above-described embodiment, and can be modified without departing from the gist of the present invention. For example, in this embodiment, the example which comprises the cushion raising / lowering mechanism 80 from the pinion gear 84, the driven gear 85, etc. was shown. However, instead of the pinion gear 84 and the driven gear 85, a hydraulic cylinder, a bolt and nut mechanism, a rack and pinion mechanism, or the like can be used.
In the present embodiment, the example in which the present invention is applied to the passenger seat has been described. However, the present invention can also be applied to a seat other than the passenger seat.

１０・・・・シート本体
１１・・・・シートクッション
１２・・・・シートバック
１５・・・・シートフレーム
８０・・・・クッション昇降機構
９０・・・・リクライニング機構
９９・・・・着座者支えベルト
２００・・・シート移動装置
10. Seat body 11 ... Seat cushion 12 ... Seat back 15 ... Seat frame 80 ... Cushion lift mechanism 90 ... Reclining mechanism 99 ... Seated person Support belt 200 ... sheet moving device

Claims (3)

シートクッションがシートフレームに対して、そのシートクッションの前部を中心に上下回動が可能で、前記シートクッションの後部に連結されたシートバックが前記シートクッションに対して傾斜可能に構成されたシート本体と、
前記シート本体に設けられており、前記シートクッションの後部を昇降させて、そのシートクッションを前傾位置と着座位置間で上下回動させるクッション昇降機構と、
同じくシート本体に設けられており、前記シートクッションに対する前記シートバックの傾斜角度を調整可能なリクライニング機構と、
前記シート本体を車室内の所定位置と車室外の乗降位置間で移動させるシート移動装置とを有しており、
車室外の乗降位置にある前記シート本体に対して着座者を対向する車椅子から移乗させる際、その着座者が前記シート本体の前側から前傾状態の前記シートバックに抱き着いた状態で、前記クッション昇降機構が前記シートクッションの後部を着座位置から前傾位置まで上昇させ、前記リクライニング機構が前記シートバックを前傾状態から起立させられるように構成されていることを特徴とする車両用シート装置。 A seat configured such that the seat cushion can be pivoted up and down around the front portion of the seat cushion with respect to the seat frame, and a seat back connected to the rear portion of the seat cushion is tiltable with respect to the seat cushion The body,
A cushion raising / lowering mechanism provided on the seat body, for raising and lowering a rear portion of the seat cushion and rotating the seat cushion up and down between a forward tilt position and a seating position;
A reclining mechanism that is also provided in the seat body and is capable of adjusting an inclination angle of the seat back with respect to the seat cushion;
A seat moving device for moving the seat body between a predetermined position in the vehicle interior and a boarding / exiting position outside the vehicle interior;
When the seat occupant is transferred from the wheelchair facing the seat body in the getting-on / off position outside the passenger compartment, the cushion is lifted / lowered while the seat occupy the seat back in a forward tilted state from the front side of the seat body. A vehicle seat device, wherein a mechanism raises a rear portion of the seat cushion from a seating position to a forward tilt position, and the reclining mechanism allows the seat back to stand up from a forward tilt state. 請求項１に記載された車両用シート装置であって、
前記シート本体には、前記シートバックに抱き着いた着座者の左右の腋の下に通されてそのシートバックに掛けられる着座者支えベルトが設けられていることを特徴とする車両用シート装置。 The vehicle seat device according to claim 1,
A seat device for a vehicle, wherein the seat body is provided with a seat occupant support belt that is passed under the left and right heels of the seat occupant hung on the seat back and is hung on the seat back. 請求項１又は請求項２のいずれかに記載された車両用シート装置であって、
前記シート移動装置は、乗降位置にある前記シート本体のシートクッションの前端を着座者の膝に当接可能な高さ位置に保持できるように構成されていることを特徴とする車両用シート装置。
A vehicle seat device according to claim 1 or 2, wherein
The vehicle seat device according to claim 1, wherein the seat moving device is configured to be able to hold a front end of a seat cushion of the seat main body in a boarding / alighting position at a height position where the seat cushion can be in contact with a knee of a seated person.
JP2012154572A 2012-07-10 2012-07-10 Vehicle seat device Active JP5888155B2 (en)

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PCT/JP2013/065666 WO2014010344A1 (en) 2012-07-10 2013-06-06 Vehicle seat device

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