Chairs and seats – Collapsible chair; i.e. – relatively folding bottom – back,... – With means to hold chair in plural operative configurations
Patent
1988-04-19
1989-06-13
Brown, Peter R.
Chairs and seats
Collapsible chair; i.e., relatively folding bottom, back,...
With means to hold chair in plural operative configurations
297360, 297363, 297419, 297423, A47C 1026, A47C 510
Patent
active
048386081
ABSTRACT:
A beach chair is made of three tubes, the tubes being bent three-dimensionally, and a method renders the forming economical. The three tubes are bent into the same shape, including parallel legs and a bend connecting the legs. The bend is also curved out of the plane of the parallel legs. The seat has a sling between two legs, and the bend turns down to act as a rear support; the back extends up from the seat; and, a support connects the seat and back for rigidity, and the bend turns down to act as a front support. An optional leg rest is the same shape again, having its legs attached to the seat, and its bend turning down to support the leg rest. To bend the tubing, a thermoplastic trough is shaped as desired, and a heated tube is conformed to the trough.
REFERENCES:
patent: 104398 (1870-06-01), Adams
patent: 709688 (1902-09-01), Vogel
patent: 2150478 (1939-03-01), Yerrick
patent: 2600374 (1952-06-01), O'Neill
patent: 2740465 (1956-04-01), Mugler
patent: 3338625 (1967-08-01), Jung-Shien
patent: 4514009 (1985-04-01), Vanderminden
Hansen-Smith Karen
Lewis John E.
Brown Peter R.
Middleton James B.
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