Crimping tool for solderless electrical connectors

Claim 1

In a plier type crimping tool, including handles, lever members and pivot pins for causing compressive forces to be applied between the nibs of the tool upon actuation of the handles, the improvement comprising: nose portions for said tool having nib portions therebetween for performing the crimping operations; channels extending along the backsides of said nose portions for at least a portion of their length opposite the nib portions; and upstanding web sections defining at least a portion of the sidewalls of said channels and being longitudinally coextensive therewith, said nose portions, including said web portions, being of reduced cross-sectional area in a symmetrical, tapered manner both in the plane of motion of the nose portions, and in a plane transverse thereto as the nib portions are approached, said upstanding web sections and said nib portions being integral with said nose portions, and said nib portions further including female crimping die sections on their mating faces to form a die cavity therebetween when the nibs abut each other, with the bottoms of said channels being grooved at least in the areas opposite the nibs, the grooves corresponding in width generally to the female die sections of the nibs.