Supports: racks – Knockdown – Foldable or collapsible
Patent
1990-12-07
1992-02-04
Foss, J. Franklin
Supports: racks
Knockdown
Foldable or collapsible
248166, B66C 2372
Patent
active
050853295
ABSTRACT:
A sheeting support includes two identical end support assemblies, each having two base members pivotally coupled at first ends and two legs which are pivotally coupled to each other at their upper ends and which each have a lower end pivotally coupled to a respective base member. A connecting arrangement is provided to releasably couple the end support assemblies to each other. Each base member of each end support assembly has on an upper surface thereof a retaining strip which resists sliding movement therealong of an edge of a sheet disposed thereon, and also has at an outer end a retaining arrangement which includes a portion movable between an operational position projecting upwardly past an upper surface of the base member and a retracted position disposed below the upper surface of the base member.
REFERENCES:
patent: 715530 (1902-12-01), Wallace
patent: 3071400 (1963-01-01), Bellock
patent: 3249232 (1966-05-01), Pokorski
patent: 3878942 (1975-04-01), Hansen
patent: 4699280 (1987-10-01), Hoss
patent: 4752047 (1988-06-01), Franks
Crowell John W.
Kellerman Jeffrey L.
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