Horizontally supported planar surfaces – Vertically adjustable – Articulated link shifts surface
Patent
1978-05-01
1979-04-10
McCall, James T.
Horizontally supported planar surfaces
Vertically adjustable
Articulated link shifts surface
108 12, 108 69, 108 83, A47B 900, F47B 8500, A47B 104
Patent
active
041482646
ABSTRACT:
A universal table having utility at different elevations which includes a top, leg means and brace means. The pair of leg means are pivotally mounted to the top and to a secondary member located vertically downwardly from the pivotal connection to the top. Each pair of leg means extends angularly upwardly and inwardly to the point of connection with the top and has pivotally secured thereto, at a point intermediate the ends, a brace means which extends upwardly and outwardly and has its upper end portion pivotally connected to the table top. The brace means may alternatively be composed of two aligned pivotaly connected brace means or a pair of telescopically interconnected members such that when a table is in a lower position, the brace members are in a semi-folded condition or telescoped. In the upright position, the pivotable brace members are aligned and the telescopic brace members would be extended to their maximum. The table top is formed of two halves which are relatively movable, toward each other as the upper portion of the legs move toward each other and away from each other, to have the space therebetween to be occupied by a separate member when the table is in its uppermost position, and the uppermost ends of the legs are separated by a greater distance.
REFERENCES:
patent: 1951594 (1934-03-01), Carrol
patent: 2035718 (1936-03-01), Perl
patent: 2187423 (1940-01-01), Hyland
patent: 2544229 (1951-03-01), Hoppe
patent: 2596986 (1952-05-01), Curtis
patent: 2799544 (1957-07-01), Hoppe
patent: 3282566 (1960-11-01), Clarke
patent: 3455256 (1969-07-01), Prager
patent: 3510129 (1970-05-01), Reuther
patent: 3688705 (1972-09-01), Barabas
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