Electric control system with rotary mechanical interlock and timing mechanism
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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 one or another supply line extending to a load which comprises two parallel paths extending to the load which path includes spaced controlled devices, and rotary mechanical interlock timing means between the several control devices for sequentially preventing closing of two or more control devices at the same time.
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Family
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