Patent ID: 6685267
Filing Date: 2004-02-03
Classification: A47C

Abstract:
A synchrotilt chair mechanism for use on a chair having a base assembly with a pedestal extending therefrom, a seat and a back, the mechanism comprising:a chassis adapted to be coupled to the pedestal; a seat plate slidably coupled to the chassis and adapted to be fixedly coupled to the chair seat; a back support bar having first and second ends, the support bar being coupled on the first end to the chassis and extending upwardly from the chassis; a pair of arm supports adapted to be coupled to the chair, one of the arm supports extending upwardly adjacent one side of the chair seat and the other of the arms extending upwardly adjacent the other side of the chair seat; and a back bracket having a pair of ends, each end extending adjacent a side of the chair, each end being pivotally coupled to the adjacent arm support, the back bracket further including a guide plate adapted to be mounted to the chair back and having at least one guide slot that slidably and pivotally couples the back bracket to the second end of the back support bar, wherein during recline of the chair, the back bracket pivots about the pivot connection on each arm support and the guide plate guides the lower chair back downwardly and forwardly, and wherein during recline the chair seat slides forwardly on the chassis.