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US 9,751,434 B2Granted
Vehicle seat
AssigneeTs Tech Co., Ltd.
InventorsShinji Sugiyama, Kazunori Ishihara, Shuichi Shimizu
Life of this patent
Estimating the term…
Abstract
A vehicle seat includes a pressure-receiving member disposed rearwardly of an occupant between left and right side frames, and a rocking mechanism configured to cause a left side or a right side of the pressure-receiving member to move frontward and rearward. The rocking mechanism includes a first link member provided pivotally, a second link member provided pivotally on the first link member and pivotally connected to the pressure-receiving member, and an actuator configured to cause the first link member and the second link member to pivot.
Claims20
A vehicle seat, comprising:
- a seat cushion;
- a seat back which includes left and right side frames;
- a pressure-receiving member disposed rearwardly of an occupant between the left and right side frames;
- and
- a rocking mechanism configured to cause a left side or a right side of the pressure-receiving member to move frontward and rearward,
- wherein the pressure-receiving member includes a pressure-receiving portion configured to support a back of the occupant, and a pair of support portions provided at left and right end portions of the pressure-receiving member and extending in a leftward-and-frontward direction and in a rightward-and-frontward direction, respectively, to support upper body side regions of the occupant,
- wherein the rocking mechanism includes:
- a pressing member configured to press the left or right end portion of the pressure-receiving member in a front-rear direction;
- and
- an actuator configured to actuate the pressing member,
- wherein the actuator is disposed rearwardly of a corresponding support portion, to overlap the support portion as viewed in the front-rear direction, and
- the actuator has an axis, the actuator being configured to cause the pressing member to pivot about the axis.
9 more elements
A vehicle seat comprising:
- a seat cushion;
- a seat back which includes left and right side frames;
- a pressure-receiving member disposed between the left and right side frames, the pressure-receiving member being configured to support an upper body of an occupant;
- and
- a rocking mechanism configured to cause a left side or a right side of the pressure-receiving member to move frontward and rearward,
- wherein the rocking mechanism includes:
- a pressing member configured to press a left or right end portion of the pressure-receiving member in a front-rear direction;
- and
- an actuator configured to actuate the pressing member, and
- wherein the actuator is disposed to overlap the left or right end portion of the pressure-receiving member as viewed in the front-rear direction, and
- the actuator has an axis, the actuator being configured to cause the pressing member to pivot about the axis.
8 more elements
A vehicle seat, comprising:
- a seat cushion;
- a seat back which includes left and right side frames;
- a pressure-receiving member disposed rearwardly of an occupant between the left and right side frames;
- and
- a rocking mechanism configured to cause a left side or a right side of the pressure-receiving member to move frontward and rearward,
- wherein the pressure-receiving member includes a pressure-receiving portion configured to support a back of the occupant, and a pair of support portions provided at left and right end portions of the pressure-receiving member and extending in a leftward-and-frontward direction and in a rightward-and-frontward direction, respectively, to support upper body side regions of the occupant,
- wherein the rocking mechanism includes:
- a pressing member configured to press the left or right end portion of the pressure-receiving member in a front-rear direction;
- and
- an actuator configured to actuate the pressing member,
- wherein the actuator is disposed rearwardly of a corresponding support portion, to overlap the support portion as viewed in the front-rear direction,
- the actuator includes a motor, and
- the rocking mechanism further includes a biasing member configured to bias the pressing member toward an initial position thereof.
10 more elements
Dependencies are inferred from the claim text.