Horizontally supported planar surfaces – Folding – Folding arms support surface
Patent
1989-03-13
1990-07-03
Aschenbrenner, Peter A.
Horizontally supported planar surfaces
Folding
Folding arms support surface
108 6, A47B 300
Patent
active
049381539
ABSTRACT:
A portable adjustable table assembly is made of a lightweight tubular construction and provides an extremely wide range of adjustable positions to accommodate persons seated, confined to bed, or standing. The assembly includes a flat U-shaped base, a pair of extensible, telescoping legs extending vertically upward from one end of the base, and a dual axis table assembly including a pair of support arms pivotally attached to the upper ends of the legs and a pair of table arms pivotally attached to the support arms. The table arms may be pivoted between an extended position outwardly of the support arms and a retracted position within the support arms, both of which positions can be utilized to support a table top in a horizontal position. Either or both of the pivotal connections may be provided with bi-directional ratchet assemblies to provide a wide range of angular positions for the table top between the two primary horizontal positions. The entire assembly can folded into a compact stack for ease of storage or transport.
REFERENCES:
patent: 2199895 (1940-05-01), Sharp
patent: 2260732 (1941-10-01), Anderson et al.
patent: 2563060 (1951-08-01), O'Neill
patent: 3240170 (1966-03-01), Shave
patent: 3894709 (1975-07-01), Weir
patent: 3903812 (1975-09-01), Cowley
patent: 3908560 (1975-09-01), Horner
patent: 4058066 (1977-11-01), Altman
patent: 4383486 (1983-05-01), Reineman
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