Random timer apparatus

Details Random timer apparatus Random timer apparatus

1978-08-18

1980-08-26

Gellner, Michael L.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

200 35R, 200 38R, 307132R, H01H 4318, H01H 4330

Patent

active

042197414

ABSTRACT:
A random timer including a drive motor, an output means, and a power circuit connecting a power supply to the drive motor and output means and where two dissimilar timing elements are controlled by the drive motor, and the power circuit includes a multi-contact switch having a normally closed terminal position and a normally open second terminal position, a control member associated with the switch to move it from its normally closed position to its second position, and a control means individually engageable with the two different timing elements for moving the control member to its actuated second position and interrupt power flow to the output means on an irregular basis.

REFERENCES:
patent: 3155848 (1964-11-01), Burford
patent: 3750132 (1973-07-01), Natter
patent: 3925629 (1975-12-01), Albinger
patent: 3935404 (1976-01-01), Persson
patent: 3937910 (1976-02-01), Fukami
patent: 4123915 (1978-11-01), Stoor

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