Horizontally supported planar surfaces – Supporting structure extends upwardly of surface
Patent
1987-08-31
1989-03-28
Aschenbrenner, Peter A.
Horizontally supported planar surfaces
Supporting structure extends upwardly of surface
108 42, 248343, A47B 500
Patent
active
048153966
ABSTRACT:
A table suspended from a room ceiling has a table top that is positionable between a retracted first position against the ceiling and a second position extended from the ceiling toward the floor. Extension and retraction occur through a pivotal arm assembly. The arm assembly is controlled by electric or manual powered drive mechanisms. The drive mechanisms are enclosed in a modular housing that is manufactured to interchangeably accept either the electrical or the manual drive mechanisms. The suspended table includes a table top that is rotatable about a vertical axis.
REFERENCES:
patent: 2484678 (1949-10-01), Blumer
patent: 2580980 (1952-01-01), Vrooman
patent: 3142447 (1964-07-01), Bodian
patent: 3592146 (1971-07-01), Loomans
patent: 3602335 (1971-08-01), Gustetic
patent: 3964788 (1976-06-01), Kmetyko
Gehring Andrew A.
Loomans David
Aschenbrenner Peter A.
Cayen Donald
Manco Corporation of West Bend
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