Electric switch

Details Electric switch Electric switch

1978-07-24

1980-05-13

Pollard, Steven M.

Electricity: circuit makers and breakers

Electric switch details

Actuators

200153G, 200244, H01H 122, H01H 300

Patent

active

042030170

ABSTRACT:
A rocker type electric switch operated by pressure on a knob which actuates a spring biased plunger that exerts a switch closing force on a movable switch contact element, in combination with means for preventing said plunger from forcing said element to the switch closed position until the knob and plunger have been rotated through a predetermined angle to a preselected position.

REFERENCES:
patent: 2749400 (1956-06-01), Chichester
patent: 3225156 (1965-12-01), Sahrbacker
patent: 4115673 (1978-09-01), Smith
patent: 4121068 (1978-10-01), Peck
patent: 4121071 (1978-10-01), Campbell et al.

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