Chair with adjustable back support cushion

Details Chair with adjustable back support cushion Chair with adjustable back support cushion

1977-05-13

1978-06-27

Mitchell, James C.

Chairs and seats

Bottom or back with means to alter contour

297231, 297353, 297383, A47C 300

Patent

active

040970876

ABSTRACT:
A back cushion assembly for a chair, including a back cushion portion on which is mounted a central, longitudinally disposed spine support cushion. A transversal lumbar support cushion is adjustably mounted on the back cushion portion in a position below the longitudinally disposed spine support cushion, for selective adjustment, up and down longitudinally of the back cushion portion, and toward and away from the back cushion portion.

REFERENCES:
patent: 826575 (1906-07-01), Hunter
patent: 1181224 (1916-02-01), Jaeger
patent: 1291975 (1919-01-01), McNulty
patent: 1580606 (1926-04-01), Jones
patent: 1734179 (1929-11-01), Olson
patent: 1743377 (1930-01-01), Nadell
patent: 1835048 (1931-12-01), Hottel

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