Horizontally supported planar surfaces – Vertically adjustable
Patent
1977-09-16
1979-02-13
Mitchell, James C.
Horizontally supported planar surfaces
Vertically adjustable
248188, A47B 900
Patent
active
041389530
ABSTRACT:
A shelving assembly with rectangular, formed sheet metal shelves horizontally supported by tubular corner posts has molded snythetic plastic corner block members operative to releasably grip any one of a plurality of peripheral zones spaced along the support posts for selective shelf height adjustment. Each sheet metal shelf is formed with a peripheral skirt terminating in a horizontally inwardly-extending flange portion and vertical corner cut-out portions defining together recesses for receiving the individual corner blocks in close-fitting embracing, relation, the corner blocks also being formed, at outside corners thereof, with vertically-extending, rounded projections receivable in the said skirt cut-out portions to define with said peripheral skirt, flush, rounded corner surfaces. A tapered, vertically-extending opening in each corner block slidingly receives a complementary split-ring taper lock retainer having a cylindrical opening for the reception of a tubular corner post, said split-ring taper lock having an internal, peripheral bead adapted to engage any one of a plurality of complementary grooves spaced along the corner posts for selective shelf height adjustment.
REFERENCES:
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patent: 3344756 (1967-10-01), Kelson
patent: 3424111 (1969-01-01), Maslow
patent: 3523508 (1970-08-01), Maslow
patent: 3604369 (1971-09-01), Maslow
patent: 3675598 (1972-07-01), Kesilman et al.
patent: 3757705 (1973-09-01), Maslow
patent: 3874511 (1975-04-01), Maslow
patent: 3915101 (1975-10-01), Onori
Mitchell James C.
Schmidt Ernest H.
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