Electric control system with mechanical interlock
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United States of America Patent
Stats
-
Oct 13, 1981
Grant Date -
N/A
app pub date -
Oct 23, 1979
filing date -
Oct 23, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electric control system with mechanical interlock characterized by means for switching between normal and emergency supply lines extending to a load which comprise two parallel paths extending to the load which paths include spaced controlled devices, and mechanical interlock means between the several control devices for preventing closing of two or more control devices at the same time.
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Family
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Cited Art Landscape
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