Mechanical delay timer

Details Mechanical delay timer Mechanical delay timer

2005-03-01

2005-03-01

Donovan, Lincoln (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Actuators

C200S0380FB

Reexamination Certificate

active

06861601

ABSTRACT:
A timer for delaying the operation of a toggle switch for a pre-set interval includes a mechanical, spring powered timer which drives a cam that engages the toggle of a conventional wall switch to move the toggle from one position to another. The timer is contained within a housing which, in turn, detachably connects to a housing floor that is mounted over the toggle switch cover plate.

REFERENCES:
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patent: 4752656 (1988-06-01), Song
patent: 4835413 (1989-05-01), Nilssen
patent: 4912376 (1990-03-01), Strick
patent: 5719362 (1998-02-01), Gray
patent: 6710274 (2004-03-01), Whetzel et al.

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