Adjustable spinal contour seating

Details Adjustable spinal contour seating Adjustable spinal contour seating

1975-07-03

1976-11-09

Mitchell, James C.

Chairs and seats

Changeable or reversible supporting surface

297284, A47C 2700, A47C 300

Patent

active

039907422

ABSTRACT:
A chair or the like having a frame comprised of spaced parallel rails between which a plurality of juxtapositioned rungs are adjustably displaced according to a prescription which determines a supporting contour for the seat or back of said chair. Several rungs are provided, and each with a distinct offset mounting by means of which a substantial selection of displacements are obtained for fixed positioning of the rungs, there being flexible cushioning overlying the rungs for determined support of a person seated thereon.

REFERENCES:
patent: 506829 (1893-10-01), Ohmer
patent: 3632170 (1972-01-01), Witt
patent: 3663055 (1972-05-01), Gale

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