Supports: racks – Knockdown – Foldable or collapsible
Patent
1974-03-28
1976-07-13
McCall, James T.
Supports: racks
Knockdown
Foldable or collapsible
211 26, 317 99, H02B 102
Patent
active
039688836
ABSTRACT:
In a collapsible junction support bracket, a series of frameworks, vertically disposed, are pivotally mounted to each other through the agency of a series of side stringers, and braces also connect laterally of the bracket for holding it erect, as when assembled, but said braces are removable to provide for collapsing of the bracket to facilitate its shipment.
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patent: 2784812 (1957-03-01), Kindorf
patent: 3221893 (1965-12-01), Glaberson et al.
patent: 3508666 (1970-04-01), Schwengel
patent: 3760232 (1973-09-01), Swindell
Aluma-Form Inc.
Denk Paul M.
Gibson , Jr. Robert W.
McCall James T.
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