Electricity: conductors and insulators – Conduits – cables or conductors – Combined
Patent
1978-02-15
1980-07-15
Askin, Laramie E.
Electricity: conductors and insulators
Conduits, cables or conductors
Combined
174 68B, H02G 508
Patent
active
042130034
ABSTRACT:
In a bus conduit electrical distribution system in which the conduit is normally of U cross-section with shallow U cross-sectional cover over it, the system has special joint setups in which both the conduit and the cover have double members lying one on top of the other in an overlapping manner and capable of assuming longitudinally contracted and longitudinally extended relative positions in relation to each other. The bus bars overlap at their ends and have deep slots coming in from their ends to give them a deep U shape from the longitudinal standpoint in such joint setups. In the interior of the joint setups there are disc-shaped insulating spacers with interfitting circular projections and preferably there are also additional longitudinally elongated insulating spacers. In another form of joint setup which will be used for other joints in the same system, one of the overlapping bus bars will take a hook shape. The total electrical system is compact and effective and enables assembly of the distribution system on the site in a convenient manner from components, none of which has been specially made up at the factory for use at that particular place.
REFERENCES:
patent: 3183298 (1965-05-01), Weimer et al.
patent: 3187086 (1965-06-01), Moodie et al.
patent: 3459874 (1969-08-01), Fouse et al.
patent: 3820057 (1974-06-01), Joly
Askin Laramie E.
Chovanes Eugene
Jackson Edward Lovett
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