Locking device for collapsible seat

Details Locking device for collapsible seat Locking device for collapsible seat

2008-07-22

2008-07-22

McPartlin, Sarah B (Department: 3636)

Chairs and seats

Collapsible chair; i.e., relatively folding bottom, back,...

Collapsed to a compact bundle having all rigid elongated...

C297S451200, C297S042000, C297S195110, C248S164000, C108S118000

Reexamination Certificate

active

11375799

ABSTRACT:
A locking device for a foldable collapsible seat is provided. The collapsible seat includes a plurality of legs. A pivoting mechanism pivotally connects together the plurality of legs. A seat portion is mounted to an upper end of the plurality of legs. A locking device is removably positioned above the pivoting mechanism for wedging apart the plurality of legs and increasing a rigidity of the collapsible seat in an expanded, setup position.

REFERENCES:
patent: 115598 (1871-06-01), Free
patent: 509005 (1893-11-01), Voeltzkow
patent: 615476 (1898-12-01), Chapman
patent: 647171 (1900-04-01), Wiles
patent: 801405 (1905-10-01), Shupe
patent: 1896446 (1933-02-01), Goeller
patent: 1961241 (1934-06-01), McKenney
patent: 2710733 (1955-06-01), Phillips
patent: 2845317 (1958-07-01), Orman
patent: 3709167 (1973-01-01), Sprigman
patent: 4359243 (1982-11-01), Crutcher
patent: 4934638 (1990-06-01), Davis
patent: 5044507 (1991-09-01), Shulyak
patent: 5851052 (1998-12-01), Gustafsson
patent: 5876091 (1999-03-01), Chernomashentsev
patent: 6135557 (2000-10-01), Gustafsson
patent: 6585315 (2003-07-01), Vail
patent: 6634704 (2003-10-01), Bergquist
patent: 6799797 (2004-10-01), Cochran et al.
patent: 6871905 (2005-03-01), Grace
patent: 6945597 (2005-09-01), Brown et al.
patent: 6981741 (2006-01-01), Sirjoo
patent: 2004/0145221 (2004-07-01), Suzuki
patent: WO 99/20156 (1999-04-01), None

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