Plural interlocking slider cams allowing single actuator and mul

Details Plural interlocking slider cams allowing single actuator and mul Plural interlocking slider cams allowing single actuator and mul

1974-05-24

1976-03-09

Scott, James R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200 5EA, 200 18, 200 50C, 200153LA, H01H 926

Patent

active

039433072

ABSTRACT:
An electrical switch apparatus has a pair of first switches and a second switch each with a spring-loaded part for actuating its contacts. The switches are arranged in a casing in which two slides are movable against springloading in convergent paths. Each slide has first and second cams to engage with and move the actuators of a respective first switch and the second switch, the arrangement being such that when one slide has commenced to move in the switch-actuating direction, it blocks the path of the other slide, with the result that each slide can be moved to actuate a respective first switch and thereafter the second switch, but it is impossible for both of the first switches to be actuated at the same time.

REFERENCES:
patent: 2639337 (1953-05-01), Framhein
patent: 2675435 (1954-04-01), Framhein
patent: 2748205 (1956-05-01), Forstrom
patent: 2773139 (1956-12-01), Forstrom et al.
patent: 3476890 (1969-11-01), Powell
patent: 3487178 (1969-12-01), Stout

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