Horizontally supported planar surfaces – Pedestal supported
Patent
1992-09-28
1994-03-01
Crowder, Clifford D.
Horizontally supported planar surfaces
Pedestal supported
A47B 1302
Patent
active
052897834
ABSTRACT:
A table unit particularly adapted for use in a correctional environment includes a base prepared to be filled with ballast. The base has a hollow core member that fits into an inner space of an outer shell member. A sidewall of the core member is spaced inward from a sidewall of the shell member to form a first ballast holding space therebetween. An inner space of the core member defines a second ballast holding space. For use the first holding space or both ballast holding spaces first are filled with ballast such as sand or gravel. Then, a table top is attached to an upper end of the outer shell member to form a completed work table unit. Ballast in the first holding space reinforces the sidewall of the outer shell member while weight of the ballast inhibits unauthorized movement or upsetting of the unit.
REFERENCES:
patent: 3664275 (1972-05-01), Kleinert
patent: 3726201 (1973-04-01), Berchtold et al.
patent: 4043278 (1977-08-01), Kessler et al.
patent: 4401036 (1983-08-01), Russo et al.
patent: 4760802 (1988-08-01), Leong
patent: 4929021 (1990-05-01), Kaye
Calvert John J.
Crowder Clifford D.
Schmitt John L.
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