Hand tool for working on electrical conductors

Details Hand tool for working on electrical conductors Hand tool for working on electrical conductors

1975-04-09

1977-06-14

Smith, Al Lawrence

Compound tools

Cutter combined with other tool or tools

30 901, 72410, 140106, B25B 722

Patent

active

040287564

ABSTRACT:
The disclosure is directed to a hand tool of the pliers configuration having a set of crimping nests located in jaw members and having the expansion zones of the crimping nests overlap so as to permit placement of each of the nests closer to the optimum distance from the handle pivot. A visual indicator permits the operator to crimp terminals of different discrete sizes in a single one of the crimping nests and a hook member used to lock the handles in a closed position further provides discrete limits of crimping nest closure. A compression spring located in overlapping slots of the handle member provides a recessed means to rapidly open the handles when the hook member is released. Discretely sized insulation cutting edges located between the pivot and the handle free ends permits the edges to overlap one another and thus provide an almost complete cut about the wire periphery and provide a wedge to break through the uncut land of insulation.

REFERENCES:
patent: 1388398 (1921-08-01), Adams
patent: 1599021 (1926-09-01), Long
patent: 2079505 (1937-05-01), Hopkins
patent: 3525107 (1970-08-01), Hays
patent: 3654647 (1972-04-01), Neff
patent: 3733627 (1973-05-01), Epstein
patent: 3777323 (1973-12-01), Ingram
patent: 3791189 (1974-02-01), Lawson
patent: 3831207 (1974-08-01), Boyajian

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