Tools – Wire stripper – Bench tools
Patent
1979-06-25
1981-04-14
Smith, James G.
Tools
Wire stripper
Bench tools
H02G 112
Patent
active
042612306
ABSTRACT:
A wire stripping machine for stripping the insulation from the end of a stranded-core, insulated wire and twisting the conductor strands includes upper and lower stripping heads mounted on a support for movement between an open position and a closed, operative position. Each stripping head includes an elongated stripping element assembled from a stripping bar having a serrated wire contacting surface and an insulation cutting knife that extends along the length of the stripping bar and that presents a cutting edge positioned a selected distance above the wire contacting surface. In operation, the entire machine is advanced from an initial position over the end of an insulated wire and the upper and lower stripping heads are moved from their open position to their operative position. The end of the insulated wire is retained between the two wire contacting surfaces in a wire stripping zone with the cutting edges of the upper and lower stripping heads penetrating the insulation on the upper and lower sides of the wire. The stripping elements are then moved laterally of the wire in opposite directions to rotate the end of the wire and cause the cutting edges to peripherally cut the insulation at the end of the wire. The work station is then retracted while the stripping elements continue their opposite lateral movement to sever and pull the peripherally cut insulation from the end of the wire and simultaneously twist the conductor strands.
REFERENCES:
patent: 2783525 (1957-03-01), Scharf
patent: 3003375 (1961-10-01), Hopkins
patent: 3795159 (1974-03-01), Steiner et al.
patent: 3881374 (1975-05-01), Gudmestad
patent: 3935759 (1976-02-01), Roth
patent: 3994188 (1976-11-01), Baba et al.
patent: 4009738 (1977-03-01), Baba et al.
Black & Decker Inc.
Bloom Leonard
Murphy Edward
Smith James G.
Weinstein Harold
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