Cam action fish tape puller

Details Cam action fish tape puller Cam action fish tape puller

1987-03-09

1988-05-24

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Method or apparatus for placement of conductive wire

Conduit snakes

294114, B65H 5900

Patent

active

047460997

ABSTRACT:
A tool for gripping and pulling steel fish tapes of the type used to pull electrical wiring through conduits and passageways in building construction comprises identical jaw pieces and elongated, rearward extending handlebars. The outer half of each jaw piece has a forward extending jaw member having a convex front surface facing a flat anvil plane formed in a cutout rear half section of the opposite jaw piece. The two jaw pieces are joined by a transversely disposed pivot pin such that a forward extending jaw member is pivotable within the cutout section of the opposite jaw piece, forming a pivotable interdigitated structure. The axis of the pivot pin is located eccentrically with respect to the convex front surface of the forward extending jaw member, thereby providing as the handlebars are pivoted into colinear alignment, a decreasing space between the jaw member and the anvil plane for gripping a fish tape inserted therebetween.

REFERENCES:
patent: 976600 (1910-11-01), Rhodes
patent: 1932540 (1933-10-01), Whipple
patent: 2374406 (1945-04-01), Bezzerides
patent: 2736532 (1956-02-01), Hughes
patent: 3329045 (1967-07-01), Sellen et al.
patent: 3763722 (1973-10-01), Ehrens

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