Rotary wire stripper and method of using

Details Rotary wire stripper and method of using Rotary wire stripper and method of using

1990-05-10

1991-03-19

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

81 951, 294265, 29828, H01R 4300, H02G 112

Patent

active

049999109

ABSTRACT:
A wire stripper in accordance with the invention has a non-linear rate of blade closure where the stripper's blades first close quickly from an open position to near the wire that is to be stripped, followed by a slow rate of closure as the blades cut through the wire's insulation. The stripper also has a blade proximity sensor that involves placing a high voltage on the blades as they cut through the insulation so that a short-duration current pulse travels from the blades to the wire's center conductor as soon as the insulation is broken apart by the blades. Such pulse is sensed, and further inward movement of the blades toward the center conductor is immediately stopped, in order to prevent the blades from nicking or scraping the conductor.

REFERENCES:
patent: 2671363 (1954-03-01), Wells
patent: 3484936 (1969-12-01), Schwalm et al.
patent: 3486216 (1969-12-01), Cimolino
patent: 3645156 (1972-02-01), Meyer et al.
patent: 4345362 (1982-08-01), de Givry
patent: 4715100 (1987-12-01), Cross
patent: 4745828 (1988-05-01), Stepan

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