Torsion-bar equipped vibration absorbing-seat device

Details Torsion-bar equipped vibration absorbing-seat device Torsion-bar equipped vibration absorbing-seat device

1996-03-12

1998-11-24

Nelson, Jr., Milton

Chairs and seats

Movable bottom

Movable independently of back

29745255, 2972161, B60N 200

Patent

active

058397825

ABSTRACT:
A seat device has a cushion frame mounted on a floor; a support member for supporting a seat pad; and a torsion bar including a torque bar section and an arm section, for elastically supporting the support member on cushion frame. An arm supporting bracket of substantially cylindrical shape is provided on the support member. A collar rotatably fitted to at least arm supporting bracket has a circumferential flange in a cylindrical shape with a bottom, and is disposed to be facing to an end surface of the arm supporting bracket on the opening side thereof. A tip portion of the arm section is fittedly supported in the opening of the collar. The arm supporting bracket is attached to the support member through a movement absorbing mechanism which allows relative movement with respect to the support member.

REFERENCES:
patent: 3008764 (1961-11-01), Pile
patent: 3329230 (1967-07-01), De Castelet
patent: 3645488 (1972-02-01), Sturhzan
patent: 4027843 (1977-06-01), Thompson
patent: 4195883 (1980-04-01), Roonhult et al.

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