Seat apparatus for a vehicle

A seat device adapted to be fixed to engagement members on a vehicle floor including,

• a first engagement member supporting a front portion of the seat device,
• a second engagement member supporting a rear portion of the seat,
• a first lock engagable with the first engagement member;
• a second lock engagable with the second engagement member;
• and
• the first lock supported on the seat device and including a bracket rotatably supported relative to the seat device, the bracket being engagable with the first engagement member, wherein the first lock includes a rotation axis for supporting the bracket on the seat device and a long hole adapting the rotation axis, wherein the seat device is supported to be moved along the long hole, when an angle of the bracket relative to the seat device is out of a predetermined range.

A seat device adapted to be fixed to engagement members on a vehicle floor including,

• a first engagement member supporting a front portion of the seat device,
• a second engagement member supporting a rear portion of the seat,
• a first lock engagable with the first engagement member;
• a second lock engagable with the second engagement member;
• and the first lock supported on the seat device and including a bracket rotatably supported relative to the seat device, the bracket being engagable with the first engagement member, and a hook member supported on the bracket and being able to maintain an engagement of the bracket with the first engagement member, wherein a contact portion is provided on the hook member for contacting on a portion of the seat device to prevent a release operation of the hook member when an angle of the bracket relative to the seat device is out of a predetermined range, the first lock includes a rotation axis for supporting the bracket on the seat device and a long hole adapting the rotation axis, and the seat device is supported to be moved along the long hole when the second lock engages with the second engagement member.