Electrical connectors – Metallic connector or contact having movable or resilient... – Externally threaded – bifurcated bolt for joining conductors...
Patent
1992-02-26
1992-07-14
Bradley, Paula A.
Electrical connectors
Metallic connector or contact having movable or resilient...
Externally threaded, bifurcated bolt for joining conductors...
411 2, 439779, 439784, 439792, 439810, H01R 432
Patent
active
051298449
ABSTRACT:
An electrical wire connector has a bifurcated bolt having opposed prongs coextending spaced from each other defining a wire-receiving channel therebetween. A nut is threaded onto the bolt until an insert carried by the nut is pressed tightly against one of the two wires disposed along the channel, to clamp the wires tightly against the bottom of the channel and electrically interconnect the wires. The nut has an internally threaded lower section within which a body section of the insert is disposed, and an upper section joined to the lower section at a frangible section adapted to break upon sufficient torque being applied to the nut by a tool, thus providing a torque limit and a visual indication of full assured interconnection. The insert has a lower section depending from the body section having tabs extending outwardly under a lower edge of the nut, for the nut to deflect the tabs downwardly against the wire during final stages of application of the connector to the wires, with the tabs providing stored energy to the center insert portion springably urged against the wire during long-term in-service use.
REFERENCES:
patent: 1873559 (1932-08-01), Dilener
patent: 2471957 (1949-05-01), Hubbard
patent: 3174385 (1965-03-01), Hallowell, Jr.
patent: 3742583 (1973-07-01), Devlin et al.
patent: 3865246 (1975-02-01), Lieb et al.
Goto Kazuhiro
Menechella Gino
Szyndlar Janusz
AMP Incorporated
Bradley Paula A.
Ness Anton P.
Wolstoncroft Bruce J.
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