Patent ID: 7654616
Filing Date: 2010-02-02
Classification: A47C

Abstract:
1. A chair, comprising: a chair body including wherein a width of said valid supporting part is generally the same width as said seat frame, wherein a width of said a hip corresponding part gradually narrows in the downward direction, wherein a width of said boundary part is smaller than the width of said valid supporting part and the width of said seat frame, wherein rear ends of each of said arm frames are connected to a front side of said back frame, wherein front ends of each of said arm frames are connected to an upper side of said seat frame, wherein said arm frames, said seat frame and said back frame are integrally made of resin, wherein a peripheral border of each of a pair of openings, each entirely bound by one of said arm frames, said seat frame and said back frame, is curved three-dimensionally, and wherein one end of each of said arm frames is connected to said back frame at a height generally the same as a height of said lumbar corresponding part, said lumbar corresponding part protruding forward-most among all parts of said back frame.