Cyclic electric time switch means

Details Cyclic electric time switch means Cyclic electric time switch means

1979-11-06

1981-12-22

Miller, Jr., George H.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

200 27B, 200 38BA, 200 38D, 200 38F, H01H 4300

Patent

active

043073034

ABSTRACT:
Cyclic electric time switch means has a housing with an electrical clock therein and trip contact means comprising a toothed gear wheel coupled to a drive gear of the clock and mounting gear wheel. The disc mounts an electrical switch having contact terminals slidingly engaged with conductive tracks of a further settable disc and connection means are provided to connect a device to be supplied with power under the control of the time switch means. A trip arm is provided on the gear wheel to operate the electrical switch in one position of rotation of the gear wheel according to the setting effected by a manually settable control knob. A delay circuit provides, at the end of a delay period following operation of the electrical switch, restoration of the electrical switch via electromagnetic means for repetition of the operation by the trip arm when the gear wheel again reaches said one position of rotation.

REFERENCES:
patent: 3867642 (1975-02-01), Ajrlahi

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