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US 2018/0072187 A1Published application
Vehicle seat
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsKohshi KATOH, Carlos David GONZALEZ URIBE, Yasuhiro SUWA
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Abstract
A vehicle seat in which a swiveling motion of a sub-frame is restricted only to a desirable direction is provided. A sub-frame is suspended from a seatback frame. A first elastic member connects a right upper end of the sub-frame to the seat back frame, and a second elastic member a left upper end of the sub-frame to the seat back frame. A universal joint mechanism connects a lower lateral portion of the sub-frame to a lateral member of the seat back frame.
Claims6
A vehicle seat, comprising:
- a main frame including a seatback frame contoured along a back of an occupant;
- and
- a sub-frame suspended from a front face of the seat back frame;
- wherein the sub-frame includes a right longitudinal portion, a left longitudinal portion, and a lower lateral portion extending between the right longitudinal portion and the left longitudinal portion, the vehicle seat further comprising:
- a first elastic member that connects a right upper end of the right longitudinal portion of the sub-frame of the seat back frame;
- a second elastic member that connects a left upper end of the left longitudinal portion of the sub-frame to the seat back frame;
- and
- a universal joint mechanism that connects the lower lateral portion of the sub-frame to a lateral member of the seat back frame,
- wherein the first elastic member and the second elastic member are adapted to be elastically bent by a motion of the occupant to allow the sub-frame to swivel, and
- wherein the universal joint mechanism is adapted to allow the sub-frame to swivel while receiving a load applied to the sub-frame in an anteroposterior direction.
7 more elements
Dependencies are inferred from the claim text.