Horizontally supported planar surfaces – Folding – Folding arms support surface
Patent
1975-01-14
1977-02-01
McCall, James T.
Horizontally supported planar surfaces
Folding
Folding arms support surface
A47F 300
Patent
active
040056619
ABSTRACT:
A folding umbrella table comprising a central column for supporting the table, the column comprising two nesting cylindrical portions, the bottom portion having means for applying supporting legs to hold the column upright. At the top of the column is a circular plate with a plurality of radial slots near the edges. Means are provided for inserting and locking into the slots, a plurality of radial arms each of which is formed of angular material, one web of the angle in the form of a triangle, and the other web of the angle a narrow web of uniform width. Of the entire plurality of segmental arms, there are a first plurality of special support arms, which have a wider vertical web than the others. These act as support for the other segmental arms. There are six of these supporting arms, each of which is adapted to hinge from a horizontal to a vertical position. Each is held in a horizontal position by a folding bracket which is attached by hinge means to the central column of the table. There are two hinged channels between each pair of the six support arms, near the outer ends of the arms. The purpose of these channels is to support the intermediate segmental arms having the short vertical web, which webs rest on the channels, which are hinged to the support arms.
REFERENCES:
patent: 179012 (1876-01-01), Graham
patent: D204391 (1966-04-01), Obayashi
patent: 512325 (1894-01-01), Reeves
patent: 786732 (1905-04-01), Crandall
patent: 1226554 (1917-05-01), Mante
patent: 1277988 (1918-09-01), Miller
patent: 2445489 (1948-07-01), Mangold
patent: 2560079 (1951-07-01), Blum
Mason Dewey
Mason Riley C.
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