IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0543745
(2009-08-19)
|
등록번호 |
US-8186753
(2012-05-29)
|
우선권정보 |
JP-2008-222824 (2008-08-29) |
발명자
/ 주소 |
- Fujisawa, Hideki
- Okazaki, Hiroyuki
|
출원인 / 주소 |
- Aisin Seiki Kabushiki Kaisha
|
대리인 / 주소 |
Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
6 |
초록
▼
A seat apparatus for a vehicle includes a seat for the vehicle, a seat moving mechanism moving the seat between a seating position and a stowed position, a plurality of engagement members provided at a vehicle floor, a plurality of locking members provided at the seat to face the plurality of engage
A seat apparatus for a vehicle includes a seat for the vehicle, a seat moving mechanism moving the seat between a seating position and a stowed position, a plurality of engagement members provided at a vehicle floor, a plurality of locking members provided at the seat to face the plurality of engagement members respectively and engaging with the plurality of engagement members to lock the seat at the seating position, and an engagement position adjusting mechanism adjusting a position of at least one of the engagement member and the locking member that face each other in an engaging movement locus direction where the locking member moves to engage with the engagement member.
대표청구항
▼
1. A seat apparatus for a vehicle, comprising; a seat for the vehicle;a seat moving mechanism moving the seat between a seating position and a stowed position;a plurality of engagement members provided at a vehicle floor;a plurality of locking members provided at the seat to face the plurality of en
1. A seat apparatus for a vehicle, comprising; a seat for the vehicle;a seat moving mechanism moving the seat between a seating position and a stowed position;a plurality of engagement members provided at a vehicle floor;a plurality of locking members provided at the seat to face the plurality of engagement members respectively and engaging with the plurality of engagement members to lock the seat at the seating position; andan engagement position adjusting mechanism adjusting a position of at least one of the plurality of locking members in an engaging movement locus direction where the locking member moves to engage with the respective one of the plurality of engagement members,wherein the engagement position adjusting mechanism is biased downward via a first spring member having a spring force greater than an engagement force required for the locking member to engage with the engagement member. 2. The seat apparatus according to claim 1, wherein the seat moving mechanism includes two four-link mechanisms provided at respective sides of the seat in a width direction of the vehicle, each of the four-link mechanisms including two links supported by a cushion frame of the seat and the vehicle floor, wherein the plurality of locking members includes four legs provided at the cushion frame of the seat, andlock devices provided at lower ends of the respective legs to engage with the respective engagement members, andwherein the engagement position adjusting mechanism includes one of the legs provided at the cushion frame, the one of the legs being movable in the engaging movement locus direction, andthe respective lock device, which is provided at the lower end of the one of the legs. 3. The seat apparatus according to claim 2, further comprising: a cam member arranged to be movable relative to the one of the legs provided at the cushion frame, the one of the legs being movable in the engaging movement locus direction;an engaging member provided at the cushion frame to face the cam member;a second spring member biasing the cam member in a forward direction where the cam member keeps engaging with the engaging member in a case where the one of the legs moves upward relative to the cushion frame; anda cam member backward mechanism moving the cam member in a rearward direction against a spring force of the second spring member in association with a stowed operation performed by the seat moving mechanism for moving the seat from the seating position to the stowed position. 4. The seat apparatus according to claim 3, further comprising: a leg rotation mechanism supporting the legs that are rotatable to the cushion frame and operating the legs between a seating state where the legs are arranged vertically with the cushion frame and a stowed state where the legs are arranged in parallel to the cushion frame, which corresponds with a movement of the seat between the seating position and the stowed position,wherein the cam member is rotatable around a rotational shaft of one of the legs, andwherein the cam member backward mechanism includes a pressing piece formed at the one of the legs in a projecting manner, the pressing piece causing the cam member to rotate in a rearward direction against the spring force of the second spring member by means of an engagement with a projection formed at the cam member in a case where the legs are operated from the seating state to the stowed state. 5. The seat apparatus according to claim 1, wherein the seat moving mechanism includes a hinge mechanism that supports a first side of a cushion frame of the seat to cause the seat to be movable between a seating position and a stowed position, wherein the plurality of locking members includes two legs provided at a second side of the cushion frame, the first side and the second side of the cushion frame being opposite each other, andlock devices provided at lower ends of the respective legs to engage with the respective engagement members, andwherein the engagement position adjusting mechanism includes one of the legs provided at the cushion frame, the one of the legs being movable in the engaging movement locus direction, andthe respective lock device, which is provided at the lower end of the one of the legs. 6. The seat apparatus according to claim 5, further comprising: a cam member arranged to be movable relative to the one of the legs provided at the cushion frame, the one of the legs being movable in the engaging movement locus direction;an engaging member provided at the cushion frame to face the cam member;a second spring member biasing the cam member in a forward direction where the cam member keeps engaging with the engaging member in a case where the one of the legs moves upward relative to the cushion frame; anda cam member backward mechanism moving the cam member in a rearward direction against a spring force of the second spring member in association with a stowed operation performed by the seat moving mechanism for moving the seat from the seating position to the stowed position. 7. The seat apparatus according to claim 6, further comprising: a leg rotation mechanism supporting the legs that are rotatable to the cushion frame and operating the legs between a seating state where the legs are arranged vertically with the cushion frame and a stowed state where the legs are arranged in parallel to the cushion frame, which corresponds with a movement of the seat between the seating position and the stowed position,wherein the cam member is rotatable around a rotational shaft of one of the legs, andwherein the cam member backward mechanism includes a pressing piece formed at the one of the legs in a projecting manner, the pressing piece causing the cam member to rotate in a rearward direction against the spring force of the second spring member by means of an engagement with a projection formed at the cam member in a case where the legs are operated from the seating state to the stowed state. 8. The seat apparatus according to claim 1, wherein the plurality of locking members includes four legs provided at the cushion frame of the seat, andlock devices provided at lower ends of the respective legs to engage with the respective engagement members, andwherein the seat apparatus further comprises:a cam member arranged to be movable relative to one of the legs provided at the cushion frame, the one of the legs being movable in the engaging movement locus direction;an engaging member provided at the cushion frame to face the cam member;a second spring member biasing the cam member in a forward direction where the cam member keeps engaging with the engaging member in a case where the one of the legs moves upward relative to the cushion frame; anda cam member backward mechanism moving the cam member in a rearward direction against a spring force of the second spring member in association with a stowed operation performed by the seat moving mechanism for moving the seat from the seating position to the stowed position. 9. The seat apparatus according to claim 8, further comprising: a leg rotation mechanism supporting the legs that are rotatable to the cushion frame and operating the legs between a seating state where the legs are arranged vertically with the cushion frame and a stowed state where the legs are arranged in parallel to the cushion frame, which corresponds with a movement of the seat between the seating position and the stowed position,wherein the cam member is rotatable around a rotational shaft of one of the legs, andwherein the cam member backward mechanism includes a pressing piece formed at the one of the legs in a projecting manner, the pressing piece causing the cam member to rotate in a rearward direction against the spring force of the second spring member by means of an engagement with a projection formed at the cam member in a case where the legs are operated from the seating state to the stowed state. 10. A seat apparatus comprising: a seat for the vehicle;a seat moving mechanism moving the seat between a seating position and a stowed position;a plurality of engagement members provided at a vehicle floor;a plurality of locking members provided at the seat to face the plurality of engagement members respectively and engaging with the plurality of engagement members to lock the seat at the seating position; andan engagement position adjusting mechanism adjusting a position of at least one of the plurality of locking members in an engaging movement locus direction where the locking member moves to engage with the respective one of the plurality of engagement members,wherein the plurality of locking members includes a plurality of legs provided at a cushion frame of the seat, andlock devices provided at lower ends of the respective legs to engage with the respective engagement members, andwherein the engagement position adjusting mechanism includes two of the plurality of legs provided at the cushion frame, the two legs being movable in the engaging movement locus direction, and the two legs making contact with respective end portions of a balancing link rotatably supported by the cushion frame.
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