Latch and switch actuator interlock safety structure for electro

Details Latch and switch actuator interlock safety structure for electro Latch and switch actuator interlock safety structure for electro

1974-07-15

1976-01-13

Scott, James R.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

317 99, 317120, H01H 920

Patent

active

039327167

ABSTRACT:
An actuator controlled switch mounted on an electronic component module is operative to remove electrical power from the module during plug-in or removal of the module from a support frame. A latch and the actuator are pivotally mounted in parallel relation on the module and the latch is urged against a fixed support frame member. During plug-in and removal, a lateral extension of the latch forces the actuator to hold the module switch off. When the module is fully engaged, the latch is removably displaced from the actuator whereby the actutor can be pivoted to turn the module switch on and off.

REFERENCES:
patent: 2227967 (1941-01-01), Favre
patent: 2388675 (1945-11-01), Chapman et al.
patent: 2530945 (1950-11-01), Chapman et al.
patent: 2802972 (1957-08-01), Warrington
patent: 2970243 (1961-01-01), Riesz et al.
patent: 3213224 (1965-10-01), Mrenna et al.
patent: 3384722 (1968-05-01), Hanke et al.
patent: 3674962 (1972-07-01), Kroeger
patent: 3715552 (1973-02-01), Umezu et al.
patent: 3715554 (1973-02-01), Umezu et al.

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