Shim for rack column

Details Shim for rack column Shim for rack column

1977-03-25

1978-02-28

Frazier, Roy D.

Supports

Stand

Understructure

248 23, 2481889, F16M 1124

Patent

active

040762025

ABSTRACT:
A nestable shim includes a flat plate having a ridge portion with a convex upper surface and a concave lower surface, adaptable to be received beneath the foot plate of a rack column for adjusting the height thereof, wherein the foot plate has a concave groove in the bottom surface thereof in which the ridge portion of the shim nests in use. The top and bottom surfaces of the ridge portion are complementary to permit nesting of a plurality of the shims. The foot plate and the shim each have three fastener-receiving apertures therethrough. Alternatively, a slot may be used in place of one of the shim apertures.

REFERENCES:
patent: 1741487 (1929-12-01), Vance
patent: 1798272 (1931-03-01), Phillips
patent: 2110005 (1938-03-01), Rees
patent: 2366867 (1945-01-01), Nichthauser
patent: 2654420 (1953-10-01), Rogers

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