Chairs and seats – Collapsible chair; i.e. – relatively folding bottom – back,... – Relatively collapsible bottom – rear legs – and integral back...
Patent
1992-09-02
1993-09-14
Gall, Lloyd A.
Chairs and seats
Collapsible chair; i.e., relatively folding bottom, back,...
Relatively collapsible bottom, rear legs, and integral back...
297 19, 297220, 297391, 297DIG6, A47C 428
Patent
active
052442497
ABSTRACT:
A lawn chair includes a main frame assembly, a pillow frame, a pillowcase, a rear leg frame, a seat frame assembly, two elongated adjustment members and two positioning rods. The main frame assembly includes a backrest frame, a front leg frame and a curved first supporting rod mounted pivotally on the backrest frame at two ends thereof. The pillow frame is attached to an upper end portion of the backrest frame and is covered by the pillowcase. The rear leg frame is connected pivotally to an upper end portion of the front leg frame. The seat frame assembly includes two parallel straight rods connected pivotally to an intermediate portion of the rear leg frame at rear end portions thereof, and a curved second supporting rod mounted pivotally on front end portions of the straight rods at two ends thereof. Each of the elongated adjustment members has a front end portion connected pivotally to an intermediate portion of the front leg frame and formed with a longitudinal slot which has a row of L-shaped positioning portions. Each of the two positioning rods is secured to the seat frame assembly at one end thereof and extends through a selected one of the L-shaped positioning portions of the longitudinal slot at the other end.
REFERENCES:
patent: 795188 (1905-07-01), Barratt
patent: 1404449 (1922-01-01), Lahm
patent: 2177186 (1939-10-01), Nordmark
patent: 2207338 (1940-07-01), Clarin
patent: 2211289 (1940-08-01), Orton
patent: 4003599 (1977-01-01), Takamatsu
patent: 4014591 (1977-03-01), Gittings
patent: 4906042 (1990-03-01), Ollat
patent: 5154477 (1992-10-01), Tseng
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