Horizontally supported planar surfaces – With structural installation – Body related
Patent
1980-12-18
1983-09-20
Zugel, Francis K.
Horizontally supported planar surfaces
With structural installation
Body related
108129, A47B 3700
Patent
active
044049153
ABSTRACT:
A work surface defining assembly is provided for use by seated persons. The assembly includes a horizontal upper work surface and includes remote transverser front and rear marginal portions. Depending front legs are supported from the assembly adjacent the opposite end portions of the front transverse marginal portion and the rear marginal portion includes transversely spaced downwardly facing abutment surface portions for engagement with and support from the upwardly facing upper surfaces of the horizontal upper leg portions of a seated person. The assembly also defines a downwardly opening cavity and the front legs and the assembly include coacting structure for upward folding of the legs into retracted positions within the cavity. In a first form of the invention, the abutment surface portions are carried by opposite end portions of a horizontal transverse foot mounted on the lower end of a short depending center rear leg which is adjustable in length and also foldable upwardly into the cavity and a second form of the invention includes a short depending rear leg also foldable upwardly into the cavity, but provided independent of the downwardly facing upper leg engageable abutment surfaces.
REFERENCES:
patent: 135040 (1873-01-01), Mahan
patent: 1421929 (1922-07-01), Floreskul
patent: 1827952 (1931-10-01), Noyes
patent: 2189247 (1940-02-01), Johnson
patent: 2324684 (1943-07-01), Dietz
patent: 2808191 (1957-10-01), Cramer
patent: 3785299 (1974-01-01), Caperton, Jr.
patent: 3923356 (1975-12-01), Washburne
Jacobson Harvey B.
Zugel Francis K.
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