Supports: racks – Knockdown – Horizontal rod between uprights
Patent
1978-07-17
1981-04-21
Zugel, Francis K.
Supports: racks
Knockdown
Horizontal rod between uprights
29509, 211 46, 312184, 403234, B42F 1500
Patent
active
042628105
ABSTRACT:
A frame structure and method of making same which includes a pair of similarly constructed end supports which can be readily bent to define an inverted U-shaped member, each having a specified notch configuration formed at the corner portions of the respective U-shaped members for receiving and securing the end portions of opposed side rails for maintaining the end supports in a stable predetermined spaced relationship, and cross rails detachably interconnected between the opposed leg portions of the respective end supports. The method of forming such frame structure includes the steps of forming a notch at spaced intervals along a readily bendable length of a stock material whereby the length of stock material can be readily bent into an inverted U-shaped end support in a manner whereby a side rail is gripped and secured at the bent corners of the end supports, and securing a cross rail between the opposed leg portions of the bent end supports.
REFERENCES:
patent: 2106602 (1938-01-01), Hunter
patent: 3168917 (1965-02-01), Bartels
patent: 3266496 (1966-08-01), West et al.
patent: 3805966 (1974-04-01), Wakeman et al.
patent: 3853227 (1974-12-01), Filipowski
patent: 3999663 (1976-12-01), Walter et al.
patent: 4132178 (1979-01-01), Mueller et al.
Fattibene Arthur T.
Gibson , Jr. Robert W.
Zugel Francis K.
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