Electricity: conductors and insulators – Conduits – cables or conductors – With interior conductor or cable supports
Patent
1981-06-25
1983-04-12
Askin, Laramie E.
Electricity: conductors and insulators
Conduits, cables or conductors
With interior conductor or cable supports
174161R, H02G 506
Patent
active
043799450
ABSTRACT:
Isolated phase bus duct includes apparatus for adjustably attaching an insulator to the inner surface of a disconnecting switch enclosure to accommodate positional and angular tolerances. The apparatus includes a base member tangential to the surface of the enclosure having a first circular aperture with angled sidewalls. A first circular positioning plate having an angled outer sidewall is seated in the first aperture and includes a second circular aperture non-concentric with the first plate. The second aperture also includes angled side walls and has mounted therein a second circular positioning plate. The second plate has a third circular aperture therein which has angled sidewalls and is non-concentric with the second plate. Seated in the third aperture is a ball plate adapted to be bolted to an insulator. To attach the insulator to the enclosure, the first and second positioning plates and the ball plate are rotated relative to each other and to the enclosure until the ball plate lines up with the insulator. Bolts are then inserted through the ball plate and tightly fastened into tapped holes in a bracket attached to the insulator, thereby fixedly attaching the insulator to the enclosure.
REFERENCES:
patent: 2396131 (1946-03-01), Scott, Jr.
patent: 2889396 (1959-06-01), Boden et al.
patent: 3073891 (1963-01-01), Barengoltz
patent: 4339635 (1982-07-01), Zwillich et al.
Askin Laramie E.
Converse, Jr. Robert E.
Westinghouse Electric Corp.
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