Seat structure

Details Seat structure Seat structure

2007-01-02

2007-01-02

Brown, Peter R. (Department: 3636)

Chairs and seats

Crash seat

C297S284110, C297S452560

Reexamination Certificate

active

10689292

ABSTRACT:
Seat structure designed to reduce weight and improve various functions such as impact absorbency, vibration absorbency. A torsion bar arranged along a width direction, and an arm connected to the torsion bar and enforced in a direction of falling backwards in a normal state are provided in the rear of a seat cushion, and a cushioning member is arranged between a supporting frame supported by the arm and a front frame provided at the front of the seat cushion, whose front edge is vertically movable rotationally. When working a pedal or standing up, since the front edge of the front frame is forced to move in a downward direction by a leg portion, a haunch supporting portion of the cushioning member is relatively lifted upward, so that support force to lift up the haunches works.

REFERENCES:
patent: 1649013 (1927-11-01), Bell
patent: 2633184 (1953-03-01), Karg
patent: 3273877 (1966-09-01), Geller et al.
patent: 3387884 (1968-06-01), Mutz, Jr.
patent: 5439271 (1995-08-01), Ryan
patent: 6050635 (2000-04-01), Pajon et al.
patent: 6604792 (2003-08-01), Picard
patent: 6854805 (2005-02-01), Fujita et al.

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