Tool for pulling and testing cartridge-type fuses

Details Tool for pulling and testing cartridge-type fuses Tool for pulling and testing cartridge-type fuses

1992-02-10

1995-08-29

Regan, Maura K.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324507, G01R 2726

Patent

active

054463882

ABSTRACT:
A plier-type manual tool for removing and testing cartridge-type fuses is constructed of two pivoted elongated members providing jaw portions and handle portions. The handle portions are fabricated of rigid electrically insulative material. One of the handle portions is a testing handle and has an internal cavity which houses batteries and an indicator device such as a buzzer. Contact posts project from the interior surface of the testing handle in a spaced apart linear array along the length of the handle. Conductors within the handle join the batteries, the posts and buzzer in a partial series circuit. The series circuit is completed when a cartridge fuse having electrical continuity bridges two of the posts.

REFERENCES:
patent: 1781593 (1930-11-01), Montapert
patent: 1989645 (1935-01-01), Podell
patent: 2023916 (1935-12-01), Dante
patent: 2588559 (1952-03-01), Needham
patent: 4525664 (1985-06-01), Trammell, Sr.

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