Chairs and seats – Movable back
Patent
1988-07-14
1989-05-30
McCall, James T.
Chairs and seats
Movable back
297284, 297460, B60N 102
Patent
active
048344559
ABSTRACT:
An adjustable orthopedic vehicle seat comprising a substantially flat horizontal seat portion, a substantially flat back portion having a lower lumbar support protrusion extending across the lower back and a spinal support protrusion extending from said lumbar support protrusion to the upper portion of the back. Means are provided for the longitudinal movement of the back relative to the seat to adjust to the configuration of the particular user.
REFERENCES:
patent: 1205802 (1916-11-01), Silbert
patent: 2970638 (1961-02-01), Halter
patent: 3361471 (1968-01-01), Radford
patent: 3917341 (1975-11-01), Albinson
patent: 4506929 (1985-03-01), Josefek
patent: 4555137 (1985-11-01), Goldner
McCall James T.
Sterling, Esq. Thomas E.
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