A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
155/36
A47C 1/032 (2006.01)
Patent
CA 2002948
(1) Abstract The invention relates to a chair, in particular a work or office chair, having a seat that is pivotable toward the front about a horizontal pivot axis and is variable in inclination and having a backrest that is compulsorily variable in inclination overproportionately as a function of the change in inclination of the seat, wherein with increasing inclination of the seat the backrest executes an additional relative motion with respect to the end toward it of the seat, wherein pivot levers are articulated to support arms of the chair frame on both sides of the seat, the free ends of the pivot levers being attached fixedly and nonrotatably to the backrest and support it, and wherein the seat is rotatably connected to the pivot levers approximately in its middle region. The desired relative motions between the seat, seat back and chair frame can be accomplished and varied solely by means of the coupling between the seat, the backrest, pivot levers embodied as arm supports or armrests, and the chair frame, in that the seat, in the region of its front edge, is supported shifted upward with respect to the pivot shaft of the pivot levers, being nonadjustably or limitedly adjustably (2) rotatable on extensions of the support arms, and that the axis of rotation between the pivot levers and the seat is limitedly adjustable or nonadjustable.
Engel Hartmut S.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Roeder Gmbh
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