Backrest assembly

Chairs and seats – Bottom or back – Framework

Reexamination Certificate

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Details

C297S452560, C297S440110, C297S452630

Reexamination Certificate

active

08029066

ABSTRACT:
A backrest assembly includes an annular front frame having a front surface on which inner and outer annular flanges are formed, defining a first annular groove therebetween. A plurality of pegs is formed in the annular groove. A net is mounted in front of the front frame in a tightened state and includes a plurality of peg holes. A periphery of the net covers the outer annular flange of the front frame and is received in the first annular groove. Each peg of the front frame extends through one of the peg holes. Inner and annular wall are formed on a front face of an annular rear frame and define a second annular groove therebetween. A plurality of stubs is formed in the second annular groove. Each stub includes a receptacle receiving one of the pegs. Fasteners are extended through engaging holes in the front and rear frames.

REFERENCES:
patent: 4726447 (1988-02-01), Gibson et al.
patent: 5168615 (1992-12-01), Koa
patent: 5681083 (1997-10-01), Nelson et al.
patent: 6036272 (2000-03-01), Samples et al.
patent: 6378944 (2002-04-01), Weisser
patent: 6550866 (2003-04-01), Su
patent: 6966606 (2005-11-01), Coffield
patent: 7066550 (2006-06-01), Su
patent: 7152929 (2006-12-01), Wu
patent: 7425039 (2008-09-01), Lin
patent: 7434888 (2008-10-01), Lin
patent: 2008/0157580 (2008-07-01), Lin
patent: 2008/0284229 (2008-11-01), Masunaga et al.

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