Patent ID: 6709060
Filing Date: 2004-03-23
Classification: A47C,Y10T

Abstract:
A chair comprising:a seat; a chassis fixed to an underside of the seat; a leg assembly attached to an underside of the chassis; a backrest, a plurality of engaging posts being formed on a peripheral portion of a rear side of the backrest, each said engaging post having a groove, each said engaging post further including a transverse fixing hole; a support frame extending along the peripheral portion of the rear side of the backrest, a connecting beam including a first end fixed to a lower portion of the support frame and a second end fixed to the chassis; and a plurality of connecting blocks each including a sleeve portion through which the support frame extends, each said connecting block further including an insertion portion engaged in the groove of the respective engaging post, the sleeve portion of each said connecting block including a slit allowing expansion of the sleeve portion when the support frame is extending through said connecting block, a fastener being extended through the transverse fixing hole in the respective engaging post into the insertion portion of the respective connecting block, thereby fixing the support frame to the rear side of the backrest.