Folding lumbar support seat

Details Folding lumbar support seat Folding lumbar support seat

1993-08-06

1994-11-01

Brown, Peter R.

Chairs and seats

Movable back

Tiltable

297382, A47C 114, A47C 400

Patent

active

053602579

ABSTRACT:
The folding seat consists of a seat back (4) and a seat bottom (6) connected by two living hinges 12) and side release buckles (20,24) mounted on bendable strips (16,22) secured to the inner ends of the seat back (4) and seat bottom (6). Upon elevation of seat back (4). The folding seat consists of a seat back (4) and a seat bottom (6) connected by two to a 90.degree. angle, the side release buckles (20, 24) are engaged to form the operative position. In this position the seat back (4) has sufficient strength to support a person while also creating lumbar support as it flexes in response to the size and shape of the user.

REFERENCES:
patent: 597665 (1898-01-01), Andren
patent: 1802853 (1931-04-01), Weltner
patent: 2239669 (1941-04-01), Blake
patent: 2457978 (1949-01-01), Curran
patent: 2557874 (1951-06-01), Kailenta
patent: 2957515 (1960-10-01), Gibson
patent: 3419309 (1968-12-01), Smith
patent: 4518203 (1985-05-01), White
patent: 4572578 (1986-02-01), Perkins
patent: 4597386 (1986-07-01), Goldstein
patent: 4824171 (1989-04-01), Hollingsworth
patent: 5190350 (1993-03-01), Hwang et al.

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