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US 6,386,637 B1Granted
Seat structure for vehicles
AssigneeAisin Seiki Kabushiki Kaisha
InventorsHiroyuki Okazaki, Yukifumi Yamada, Tatsuya Hattori, Kousaku Taguchi
Life of this patent
Estimating the term…
Abstract
To maintain rigidity of a seat cushion frame at a seating position, an operating member (14) is axially supported pivotably by a lower arm (3) and a position of a wheel capable of pressing a floor is changed in accordance with a pivoting angle of the operating member (14).
Claims5
A seat structure for a vehicle comprising:
- pressing members installed at both side portions on a rear side of a seat cushion frame and pressed to a floor by an urging force of urging members, wherein each of the pressing members comprises supporting members pivotably supported by the seat cushion frame, a rolling member rotatably supported by the supporting members, and each of the urging members is a spring for urging the supporting members to pivot in a direction in which the rolling member is brought into contact with the floor;
- lower arms installed at the both side portions on the rear side of the seat cushion frame for pivotably supporting a seat back frame such that the seat back frame can be brought down forwardly;
- and
- an operating member supported by each lower arm pivotably by receiving an urging force of the spring, connected to the supporting members and operated by pivoting the seat back frame in a direction of bringing down the seat back frame to thereby pivot the supporting members against the urging force of the spring.
1 more element
Dependencies are inferred from the claim text.