Horizontally supported planar surfaces – Plural related horizontal surfaces – Coplanar extension surface
Patent
1975-06-09
1976-08-17
Hafer, Robert A.
Horizontally supported planar surfaces
Plural related horizontal surfaces
Coplanar extension surface
308 36, A47B 108
Patent
active
039747824
ABSTRACT:
An extendable table of the disclosure includes an extendable frame having laterally spaced slide assemblies extending between opposite ends thereof so as to be capable of supporting table tops of different lengths. Each slide assembly includes a pair of hollow female beams projecting from opposite ends of the frame and having open ends that receive the opposite ends of a male support member which aligns and slidably interconnects the beams with each other in cooperation with an improved pad arrangement. The support member is maintained within the beams by certain pads of the arrangement that include securement portions extending downwardly through securement openings in the open ends of the beams for welding to the bottom walls of the beams. The support member is positioned in a spaced relationship with respect to the cross-sections of the beams to permit sliding movement therebetween despite variance in the size of these components along their axial lengths.
REFERENCES:
patent: 2606091 (1952-08-01), Buchy et al.
patent: 2733972 (1956-02-01), Diack
patent: 3320003 (1967-05-01), Edelson et al.
patent: 3649090 (1972-03-01), Dutot
patent: 3769919 (1973-11-01), Thomas
patent: 3871780 (1975-03-01), Svensson
Hafer Robert A.
Winzeler Stamping Co.
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