Patent ID: 7658448
Filing Date: 2010-02-09
Classification: A47C,A61G

Abstract:
1. An adjustable chair construction comprising a seat and a back rest, and where the back rest may be adjusted in relation to the seat, wherein the back rest is linked to the seat by means of at least one hinge construction, where said hinge construction on the seat comprises at least one first projecting member having a curved or linear top section on which top section teeth are arranged, and on the back rest at least one second projecting member having a curved or linear top section on which top section teeth are arranged, such that the teeth on one section mesh with the teeth on the other section, and that at least one connecting member being pivotally fastened by pivotable fastening points to the first and second projecting members, maintaining the teeth of the first and the second projecting members in meshed relationship, and that the seat may be adjusted in width, length and angulations, and means for adjusting the seat comprise: a base plate, which base plate may be fastened to a substructure; two mirror image separate hinge plates arranged on top of the base plate, where each hinge plate comprises at least one hole, through which hole the hinge plate may be engaged with the underlying base plate or an underlying cover plate; and two mirror image wing members, where each wing member comprises a hole, through which hole the wing member may be adjustably engaged with the underlying hinge plate or an underlying cover plate.