Metal working – Method of mechanical manufacture – Electrical device making
Patent
1979-12-17
1984-05-22
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Electrical device making
361338, H01R 4300
Patent
active
044492960
ABSTRACT:
An electric distribution panel is constructed with an insulating base formed by extrusion. Also extruded with the base are two rows of circuit breaker mounting ledges, hook formations for each of the mounting ledges to mechanically secure circuit breakers at the load ends thereof, and channel defining formations to slidably receive neutral bars disposed outboard of each of the mounting ledges. A tie bar extends transverse to the neutral bars and provides an electrical connection therebetween. Wiring guide elements are slidably received by appropriate formations of the base and in particular the base is provided with elongated apertures to receive annular embossments of one of the wiring guides elements so as to permit expansion of the base without buckling thereof even though the mounting surface for the distribution device does not expand at the same rate as the base.
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Gould Speedfox Catalog, (Oct. 1977), p. 110.
Luke Roger D.
Rhodes John M.
Arbes Carl J.
Goldberg Howard N.
Powers Frederick W.
Siemens-Allis, Inc.
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