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US 12,304,366 B2Granted
Vehicle seat and vehicle seat manufacturing method
AssigneeTs Tech Co., Ltd.
InventorsYoichi Tachikawa, Kohei Taguchi, Tsukasa Meguro, Yoshihiro Tomita
Life of this patent
Estimating the term…
Abstract
A vehicle seat includes a base provided on a floor; a seat back pivotably provided on the base; a seat cushion pivotably provided on the seat back; and a reclining drive unit connected to the base and the seat back to make the seat back pivot relative to the base, wherein the reclining drive unit is disposed more rearward than a front end of the seat cushion.
Claims11
A vehicle seat, comprising:
- a base provided on a floor,
- a seat back pivotably provided on the base;
- a seat cushion pivotably provided on the seat back;
- and
- a reclining drive unit connected to the base and the seat back to make the seat back pivot relative to the base,
- wherein the reclining drive unit is disposed more rearward than a front end of the seat cushion,
- wherein the base includes left and right base side members extending in a front-rear direction and a base cross member extending laterally and joined to the left and right base side members, and
- the reclining drive unit includes a case supported on the base cross member, a nut rotatably supported on the case, a reclining electric motor joined to the case and generating a driving force for rotating the nut, and a screw shaft that is threadingly engaged with the nut, extends in the front-rear direction, and is pivotably connected to the seat back at a rear end thereof.
5 more elements
A vehicle seat, comprising:
- a base provided on a floor;
- a seat back pivotably provided on the base;
- a seat cushion pivotably provided on the seat back;
- and
- a reclining drive unit connected to the base and the seat back to make the seat back pivot relative to the base;
- a lock device that selectively restricts pivoting of the seat back relative to the floor;
- a lock device drive unit that is provided with a lock device electric motor and drives the lock device;
- and
- an electronic control unit that controls the lock device electric motor,
- wherein the reclining drive unit is disposed more rearward than a front end of the seat cushion,
- the seat back includes a seat back frame, and
- the lock device drive unit and the electronic control unit are arranged in a vertical direction on one side of the seat back frame in a lateral direction.
9 more elements
A manufacturing method of a vehicle seat, comprising:
- a step of providing a seat back on a base in a pivotable manner;
- a step of providing a seat cushion on the seat back in a pivotable manner;
- and
- a step of connecting a reclining drive unit for making the seat back pivot relative to the base to the base and the seat back such that the reclining drive unit is provided more rearward than a front end of the seat cushion,
- wherein the base includes left and right base side members extending in a front-rear direction and a base cross member extending laterally and joined to the left and right base side members, and
- the reclining drive unit includes a case supported on the base cross member, a nut rotatably supported on the case, a reclining electric motor joined to the case and generating a driving force for rotating the nut, and a screw shaft that is threadingly engaged with the nut, extends in the front-rear direction, and is pivotably connected to the seat back at a rear end thereof.
3 more elements
Dependencies are inferred from the claim text.