Horizontally supported planar surfaces – Folding – Legs fold axially parallel to surface edges
Patent
1984-07-06
1986-03-04
Zugel, Francis K.
Horizontally supported planar surfaces
Folding
Legs fold axially parallel to surface edges
108132, 248188, A47B 300
Patent
active
045734151
ABSTRACT:
A stand, table or other supporting structure having one or more supporting leg assemblies connected thereto in such a manner that the leg assemblies can be collapsed into a compact condition to facilitate storage, transportation and handling of the stand, table or other supporting structure. The leg assemblies are retained in their operative position substantially perpendicular to and rigid with respect to the stand to provide a stable support for the stand and for any item or items placed thereon. The leg assemblies are retained releasably in their operative position by a manually operated spring lock device that is provided with a camming feature which enables automatic locking of the leg assembly when oriented into operative position and maintaining a continuous upward bias on the leg assembly for maintaining the rigid perpendicularity of the leg assembly in relation to the stand. In one embodiment of the invention, the leg assembly is hingedly connected to the stand for folding movement into generally underlying parallel relation to the stand. In another embodiment of the invention, the leg assembly is releasable from the stand for movement to a collapsed or compact condition either alongside the underside of the stand or in a separate area which enables the leg assembly of the present invention to be utilized with a stand, table or other supporting structure which has a lateral dimension less than the length of the leg assembly.
REFERENCES:
patent: 696625 (1902-04-01), Churchman
patent: 1966344 (1934-07-01), Hallowell et al.
patent: 2531259 (1950-11-01), Cudini
patent: 3126189 (1964-03-01), Van Syoc, Sr.
patent: 3845728 (1974-11-01), Piretti
patent: 3960352 (1976-06-01), Plattner et al.
Atlas Metal Industries, Inc.
Jacobson Harvey B.
Zugel Francis K.
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