Timer switch with auxiliary actuator
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United States of America Patent
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Aug 23, 1988
Grant Date -
N/A
app pub date -
Sep 18, 1987
filing date -
Sep 18, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A time switch for controlling the supply of electricity from an electricity source to an electrical load is provided with an auxiliary actuator means for controlling the supply of electricity to the electrical load independent of the time switch. The time switch includes one or more switch contacts and cam which control the position of the switch contacts in response to a timing mechanism. The auxiliary actuator mechanism includes a solenoid mounted directly to the time switch, with a linkage interposed between the solenoid and one or more cams operable independent of the time switch cams to control the position of the switch contacts independent of the time switch. In one embodiment, a photoelectric control is provided between the solenoid and the electricity source, to regulate the supply of electricity to the solenoid in response to the presence or absence of a predetermined level of ambient light.
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