Push-button switch device having individual/nterlocking action

Details Push-button switch device having individual/nterlocking action Push-button switch device having individual/nterlocking action

1988-01-25

1989-06-27

Pellinen, A. D.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

200 5E, 200524, H01H 924

Patent

active

048431923

ABSTRACT:
A push-button switch having an individual and interlocking action is provided which includes two operating members. The push-button switch comprises first and second sliders, each having a heart-shaped cam groove formed thereon. Actuator pins are provided for engagement with the cam grooves to provide the desired individual and interlocking action. The interlocking action is effectuated when the first slider is depressed while the second slider is locked at its depressed position. The invention allows the second slider to return to its unlocked nondepressed position while the first slider then becomes locked in its depressed position. The push-button switch has high versatility since the distance between the sliders can be easily changed. Further, common parts can be used individually for the sliders thus improving manufacturing efficiency.

REFERENCES:
patent: 4392029 (1983-07-01), Schaad et al.
patent: 4692573 (1987-09-01), Fukuyama

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