Seat furniture

Details Seat furniture Seat furniture

A - Human Necessities

47

C

155/50

A47C 7/44 (2006.01)

Patent

CA 1293683

Abstract A seat (2) is mounted pivotably about a first axle (A1) on the stand (1) of the chair. The seat frame (8) is connected to a second axle (A2) which is fastened to the backrest (3) behind the backrest (3) at a horizontal distance from the latter and at a vertical distance from the first axle (A1). The backrest (3) produced from an elastically resi- lient material, when deflected out of its vertical posi- tion, causes the second axle (A2) to move over an arc of a circle of radius A1 - A2; the rear seat portion ad- jacent to the backrest (3) is also lowered corresponding- ly thereby. The backrest (3) extending over the entire height of the chair forms with its lower portion an in- tegral component of the chair stand (1). In comparison with the known complicated and heavy backrest/seat adjustment mechanisms, a cost-effective and lightweight construction, but one which fully satisfies modern ergonomic requirements as regards sitting comfort, is proposed here. (Figure 1)

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