Horizontally supported planar surfaces – Vertically adjustable
Patent
1974-12-23
1976-08-24
Frazier, Roy D.
Horizontally supported planar surfaces
Vertically adjustable
108148, 248157, 248412, A47B 908
Patent
active
039760162
ABSTRACT:
An overbed table such as used in a hospital, which is elevated manually by upward pressure and which has a wedging mechanism normally preventing lowering of the table. A release mechanism is operated to release the table for lowering.
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patent: 1103839 (1914-07-01), Rellay
patent: 1556735 (1925-10-01), Tiffany
patent: 3027209 (1962-03-01), Nielsen
patent: 3113793 (1963-12-01), Harwood
patent: 3231306 (1966-01-01), Almasy
patent: 3286663 (1966-11-01), Mann et al.
patent: 3534935 (1970-10-01), Gunn
Frazier Roy D.
Lyddane William E.
Norton Edward J.
RCA Corporation
Smiley Raymond E.
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