Emergency switch

Details Emergency switch Emergency switch

1981-07-08

1983-08-02

Shepperd, John W.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 79, 200 6185, H01H 1726

Patent

active

043968155

ABSTRACT:
An emergency switch for preventing an accident in a mechanism employing a control cable, comprising a casing having a pair of contacts at opposite inner side surfaces thereof, and an insulator member having a movable contact, the insulator member being slidably and axially moved within the casing in connection with tensile force of inner cables, and when the inner cables become unoperable by trouble, the movable contact being touched to the contacts provided on the inner side surfaces of the casing to detect a trouble or to stop the movement of the mechanism.

REFERENCES:
patent: 450626 (1891-04-01), Kerstein
patent: 505032 (1893-09-01), Curry
patent: 3703620 (1972-11-01), Watanabe
patent: 3798402 (1974-03-01), Raab
patent: 3818169 (1974-06-01), Kobernus
patent: 3870846 (1975-03-01), Filip

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