Geometrical instruments
Patent
1985-08-12
1986-11-04
Weidenfeld, Gil
Geometrical instruments
339263R, 339272R, H01R 438
Patent
active
046207589
ABSTRACT:
A busway structure which contains a device for connecting insulated bus bars. The device has a T-shaped bushing inserted through apertures in busway members to be connected. The T-shaped bushing has a threaded bore into which is screwed a mating bolt. The bolt head rests on an O-ring cap so that tightening the bolt forces the O-ring cap against the outer surface of one bar member and compresses the head of the T-shaped bushing against the outer surface of the other bar member for firm engagement therebetween of the bus bar members. Preferably, the T-shaped bushing extends through all bus members being connected and into the interior chamber of the O-ring cap.
REFERENCES:
patent: 3733575 (1973-05-01), Gottschalk et al.
Bishop Steven C.
Larson Herbert W.
Mason, Jr. Joseph C.
Weidenfeld Gil
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