Chairs and seats – Supplemental back – Including a means to adjust supplemental back relative to a...
Patent
1984-10-01
1987-01-06
Zugel, Francis K.
Chairs and seats
Supplemental back
Including a means to adjust supplemental back relative to a...
297284, A47C 702
Patent
active
046341765
ABSTRACT:
A back support assembly for a vehicular seat including a back support frame removably secured, in a generally vertical position, to a front surface of a back member of a vehicular seat; and a back support carriage interconnected to the back support frame in a manner that limits lateral displacement of the carriage, but permits vertical displacement of the carriage so as to maintain continuous, large area contact with a motorist's lower back.
REFERENCES:
patent: 2060298 (1936-11-01), Gailey
patent: 2992855 (1961-07-01), Mohler
patent: 3279849 (1966-10-01), Radke et al.
patent: 4362334 (1982-12-01), Ross et al.
patent: 4471993 (1984-09-01), Watson
Chen José V.
Marn Louis E.
Zugel Francis K.
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