Horizontally supported planar surfaces – Vertically adjustable
Patent
1978-09-05
1979-12-11
McCall, James T.
Horizontally supported planar surfaces
Vertically adjustable
108106, 2481882, 248407, A47B 900
Patent
active
041777395
ABSTRACT:
A table has upper and lower sections with the lower section provided with legs having vertically spaced holders and the upper sections having supports engageable therewith. The two sections are interconnected to enable the upper section to be turned in one direction to effect engagement with a selected set of holders and in the opposite direction to effect their release therefrom and the connection between the sections also enables the upper section then to be moved vertically to an extent such that the supports may be seated on another set of holders.
REFERENCES:
patent: 166628 (1975-08-01), Parks
patent: 876023 (1908-01-01), Schurger et al.
patent: 1113140 (1914-10-01), Priest
patent: 1127287 (1915-02-01), Sadler
patent: 2515911 (1950-07-01), Thomas
patent: 2723888 (1955-11-01), Bally
patent: 2980201 (1961-04-01), Ashenfelter
Back Bay Company, Inc.
McCall James T.
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