Seat structure

Details Seat structure Seat structure

2005-02-15

2005-02-15

Nelson, Jr., Milton (Department: 3636)

Chairs and seats

Bottom or back

Cushioned

Reexamination Certificate

active

06854805

ABSTRACT:
A seat structure includes a torsion bar12disposed along the width direction, and an arm13which is connected to the torsion bar12, enforced in the direction of falling backward at a normal state by the torsion bar12in the rear of a seat cushion10, and disposed is a flat-type supporting member15between the supporting frame14supported by the arm13and a frame member provided in front of the seat cushion, being strained by the elastic force of the torsion bar12. Through this structure, the spring characteristic to give an influence on comfortability and riding comfort at the time of being seated can be given by the torsion bar12, so that the number of coil springs which have been necessary in the vicinity of the body side can be reduced or the use of the coil spring can be stopped.

REFERENCES:
patent: 2633184 (1953-03-01), Karg
patent: 3387884 (1968-06-01), Mutz, Jr.
patent: 4124201 (1978-11-01), Burton
patent: 5692727 (1997-12-01), Kashiwamura et al.
patent: 5735578 (1998-04-01), Penley
patent: 6604792 (2003-08-01), Picard
patent: 399318 (1933-10-01), None
patent: 0548924 (1993-06-01), None
patent: 76664 (1959-11-01), None

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