Electrical connectors – With conduit or duct – Means to join conduit – duct or conductor sections
Patent
1985-04-22
1987-07-07
Weidenfeld, Gil
Electrical connectors
With conduit or duct
Means to join conduit, duct or conductor sections
174 68B, H02G 508
Patent
active
046782532
ABSTRACT:
A plurality of wide flat bus bars (A,B,C,N) stacked in flat face-to-face relation are clamped against separation forces of short circuit currents in the bus bars by U-shaped reinforcement channels (6,14) disposed over opposite edges of the bus bars with bight portions (6a,14a) of said channels abutting the edges of the bus bars and leg portions (6b,14b) thereof extending along flat surfaces of outer ones of said bus bars. A plurality of bolts (8) through aligned holes in outwardly directed flanges (6c,14c) formed on the free ends of the legs of the channels and are threadably tightened to draw the channels together and to exert a clamping force against the flat faces of the bus bars. A flat sided housing (16,24) is attached to the channels (6,14) and may be provided with access openings (16a) at intervals therealong for making plug-in connections with the bus bars. Insulators (32) positioned within the openings (16a) have flanges (32a) overlying the housing at peripheral edges of the openings (16a) and are clamped between the housing and an overlying shroud (34) by fastening means (36) passing through the shroud, flanges, and housing. Double insulation may be provided for the bus duct by substituting reinforcement channels (46) which may be insulation coated or formed of insulating material.
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patent: 3072736 (1963-01-01), Wallace
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patent: 3639676 (1972-02-01), Dempsey, Jr. et al.
patent: 3683313 (1972-08-01), Weimer et al.
patent: 3710302 (1973-01-01), Shannon et al.
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patent: 3732353 (1973-05-01), Koenig et al.
patent: 3922053 (1975-11-01), Hafer
Hicks, Jr. Loy A.
Saks Thomas J.
Sherwood Edward P.
Eaton Corporation
Kline Thomas M.
Rowe D. A.
Vande Zande L. G.
Weidenfeld Gil
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