Cutlery – Means for cutting elongate – strand-encircling sheath
Patent
1976-06-21
1977-12-06
Jones, Jr., James L.
Cutlery
Means for cutting elongate, strand-encircling sheath
B26B 2700, H02G 112
Patent
active
040608913
ABSTRACT:
A wire stripper for stripping the insulation off small gauge size conductors is provided by securing a die having a guide hole therethrough onto the upper end of a supporting bar. A flat elongated flexible blade has its lower end clamped to the back surface of the bar and a V-shaped notch on its upper cutting edge extending partly across the opening of the guide hole in the die. Upon inserting the free end of an insulation coated conductor into the front end of the guide hole of the die, the flexible blade is bent backwardly to enable the coated conductor to slide past the cutting edge of the blade. When the cutting edge is at the point on the coated conductor where the stripping is to start, the coated conductor is pulled out of the guide hole. This causes the blade to straighten out against the back surface of the bar while exerting a large force on its upper cutting edge which severs the bottom and side portions of the coating and crushes the opposite upper portion of the coating against the square upper edge of the guide hole. Thus, continued pulling of the coated conductor causes the weakened upper portion of the coating to tear apart such that the bare wire can be longitudinally slid out of the severed portion of the insulation.
REFERENCES:
patent: 1314759 (1919-09-01), Silvernail
patent: 3285103 (1966-11-01), Oehlerking
Jones Jr. James L.
Parker Roscoe V.
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