Patent ID: 8303040
Filing Date: 2012-11-06
Classification: A47C,B60N

Abstract:
1. A pillow support structure of a chair comprising: a fixing unit including a body and a back cover, wherein the body includes a longitudinal groove fixed therein, the longitudinal groove includes a laterally through slot secured adjacent to a top end thereof and having a limiting piece to swing resiliently connected with the through slot, and the limiting piece includes a tilted guide recess disposed on a top end thereof and a defining end formed on a bottom end thereof; the longitudinal groove includes a resilient swinging rib and an abutting tab fixed on two preset positions of two sides thereof individually, wherein the swinging rib includes a tooth portion; a vertical moving unit including a moving member and a sliding panel coupled on a bottom end of the moving member, wherein the sliding panel is fixed in the longitudinal groove of the body and includes a stop element secured on a predetermined position thereof to be limited on a defining end of the body, wherein the sliding panel includes a plurality of peripheral teeth arranged on one side thereof and includes a side rim attached on another side thereof so that the peripheral teeth engage with the tooth portion of the body in a multi-section positioning manner, and the side rim is biased against the abutting tab of the body; an inserting member including a biasing end disposed on a bottom end thereof and a pressing segment fixed on a top end thereof so that the inserting member is inserted into the tilted guide recess of the body, whereby with pressing segment pressed, limiting piece of the body is forced to swing the defining end outward by ways of the tilted guide recess, wherein the stop element of the sliding panel of the moving member is capable of preventing contact with the defining end of the body so that the sliding panel of the moving member disengages from the body smoothly.