Support grating for equipment boxes

Details Support grating for equipment boxes Support grating for equipment boxes

1976-03-19

1977-12-13

Purser, Ernest R.

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Fabric or lattice; e.g., indeterminate grating

52666, 217 31, 220 223, E04C 242

Patent

active

040621669

ABSTRACT:
Support grating for electrical equipment boxes having a format which is a multiple of basic elementary dimensions, constituted by a grid formed by cooperating frame members connected together two by two by distance pieces, wherein the frame members comprise periodic transversal cut-away parts constituted by slots or notches, an intermediate cut-away part and a lower port, the sides of the distance pieces comprise protuberances and bosses, for cooperation with the cut-away parts in a rigid assembly which is locked by the bosses in the cut-away parts.

REFERENCES:
patent: 562370 (1896-06-01), Booz
patent: 654508 (1900-07-01), Bohn
patent: 2486743 (1949-11-01), Haffner
patent: 2918995 (1959-12-01), Kruger
patent: 3120413 (1964-02-01), Scotti
patent: 3494498 (1970-02-01), Atherton

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