Supports – Brackets – Adjustable
Patent
1986-07-09
1988-07-05
Foss, J. Franklin
Supports
Brackets
Adjustable
220 39, 248DIG6, H02G 308
Patent
active
047549440
ABSTRACT:
A device for fastening support brackets to vertical frame components at the forward side of switch boxes whereby connecting brackets provided with threaded connectors are connectable to the frame components, so that the front plates of the support brackets can be screwed to the connecting bracket. In order for the vertical interval of the support bracket on the switch box to be continuously variable and the support brackets to be removable even with telescoping extensions, the invention provides that, on both frame pieces forming the front side of the switch box, connecting brackets are mounted, which are aligned facing one another with a vertical connecting bar directed parallel to the front side, and that on this connecting bar, sliding elements may be mounted to which support brackets may be attached in the desired position with a threaded connector.
REFERENCES:
patent: 1555659 (1925-09-01), Gough
patent: 2173159 (1939-09-01), Ewan
patent: 2473051 (1949-06-01), Carlson
patent: 3122252 (1964-02-01), Jones
patent: 3265935 (1966-08-01), Rosa
patent: 4209098 (1980-06-01), Adams
patent: 4645089 (1987-02-01), Horsley
Foss J. Franklin
Olson Robert A.
Rittal--Werk Rudolf Loh GmbH & Co. KG
Speckman Ann W.
Speckman Thomas W.
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