Chair with inclinable seat

Details Chair with inclinable seat Chair with inclinable seat

1993-08-20

1995-09-05

Dorner, Kenneth J.

Chairs and seats

Back movement resiliently opposed in operating position

Back adjusts independent of seat

2974631, A47C 300

Patent

active

054473578

ABSTRACT:
A chair with inclinable seat, in particular an office chair, is provided with a pedestal, with a seat support supported on the pedestal via a chair column, which seat support comprises a front and a rear seat support element interconnected via a pivot axle, with a seat supported on the seat support elements, with a backrest secured to the rear seat support element and with a longitudinally adjustable energy storing device articulated to the seat support elements at a distance from their pivot axle for mutually adjusting the backrest and the seat. A support element is provided with a receptacle for the upper end of the chair column. The receptacle is articulated on the seat support element via an articulated axle arranged parallel to the pivot axle of the front and the rear seat support element. The seat support element is provided with a locking device effective between the seat support element and the receptacle for the purpose of locking or releasing, respectively, different inclinations of the seat support in relation to the chair column.

REFERENCES:
patent: 3656593 (1972-04-01), Bauer
patent: 3711054 (1973-01-01), Bauer
patent: 4200332 (1980-04-01), Brauning
patent: 4521053 (1985-06-01), de Boer
patent: 5228748 (1993-07-01), Neumuller

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