Chair

Details Chair Chair

2005-11-07

2009-02-17

Dunn, David (Department: 3636)

Chairs and seats

Back movement resiliently opposed in operating position

Back and seat adjust simultaneously

C297S300200, C297S300800, C297S303400

Reexamination Certificate

active

07490902

ABSTRACT:
A chair (1), in particular a swivel office chair, is provided with a bottom chair part (2) having a column (3), a seat support (4) held on the bottom chair part (2), a seat (6) connected pivotably to the support, and a backrest support (5) holding a backrest (7) and connected pivotably to the seat support (4). The movement of the seat (6) is coupled with the movement of the backrest support (5) by a synchronizing mechanism having at least one spring (10) and coupling elements. The synchronizing mechanism is arranged essentially within the column (3).

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patent: 5462336 (1995-10-01), Desanta
patent: 2003/0151288 (2003-08-01), Deisig
patent: 76 31 908 (1978-04-01), None
patent: 84 35 610.3 (1985-03-01), None
patent: 37 24 605 (1989-02-01), None
patent: WO 95/24845 (1995-09-01), None
patent: WO 96/29912 (1996-10-01), None

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