Chair with oscillating seat

Details Chair with oscillating seat Chair with oscillating seat

2005-08-16

2005-08-16

Cuomo, Peter M. (Department: 3636)

Chairs and seats

Back movement resiliently opposed in operating position

Back and seat adjust simultaneously

C297S300500, C297S302400, C297S303400, C297S316000

Reexamination Certificate

active

06929327

ABSTRACT:
A chair, in particular an office chair, comprising: a base structure, a seat support structure, articulated to the base structure around a transverse axis, an adjustable elastic device to apply an elastic force between the base structure and the seat support structure, a manually operated adjustment device for varying the distance between said adjustable elastic device and said transverse axis.

REFERENCES:
patent: 343626 (1886-06-01), Davis
patent: 357183 (1887-02-01), Davis
patent: 2729273 (1956-01-01), Hamilton et al.
patent: 4013257 (1977-03-01), Paquette
patent: 5192114 (1993-03-01), Hollington et al.
patent: 5584533 (1996-12-01), Schrewe
patent: 5765914 (1998-06-01), Britain et al.
patent: 6120096 (2000-09-01), Miotto
patent: 6213552 (2001-04-01), Miotto
patent: 6382723 (2002-05-01), Piretti
patent: 6572191 (2003-06-01), Wild
patent: 6709056 (2004-03-01), Bock
patent: 2004/0155502 (2004-08-01), Johnson et al.

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