Chair

Details Chair Chair

A - Human Necessities

47

C

155/61.2

A47C 3/00 (2006.01) A47C 1/032 (2006.01)

Patent

CA 1235997

A CHAIR ABSTRACT OF THE DISCLOSURE A chair having a member rotatably supported about a swivel point in the region of its front edge relative to a seat carrier of the seat member. The chair also has a back member connected to at least one lever, pivotally supported on the seat carrier and is spaced from the swivel point. The lever is connected to the seat carrier and the seat member such that in the case of an in- clination of the back member there simultaneously occurs in a predetermined relationship an inclination of the seat member so that the lumbar vertebra in the area of the user's back supported by the seat back is changed with the change in the inclination of the back of the seat such that the support is at an optimum during each inclined position of the seat back. A control member is hingedly connected at one end to the back member below the point of engagement with the lever. The control member is hingedly connected to the seat carrier or to the seat at its other end in a first pivot axle spaced from a second pivot axle of the lever on the seat carrier. The lever and the control member are hingedly connected with one another, whereby either the hinge point of the control member on the seat carrier or on the seat member or, however, the hinged coupling of the control member and the lever have a connecting element, so that a relative movement between the lever and the control member in the coupling point or, however, between the control member and its connecting point on the seat carrier or on the seat can occur.

509705

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