Automatic switchover device for power source
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United States of America Patent
Stats
-
May 21, 2002
Grant Date -
Mar 7, 2002
app pub date -
Aug 21, 2001
filing date -
Aug 25, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
In an automatic switchover device for a power source designed to automatically switch over systems for supplying electric power to an electric load in such a manner that electric power output from an engine generator is supplied to the electric load upon power failure of a regular power source system, a seesaw-type turn member is mounted for turning movement between a first turned position in which it permits a common contact to be electrically connected to a first individual contact and a second turned position in which it permits the common contact to be electrically connected to a second individual contact. First and second solenoids capable of exerting an electromagnetic force for driving the seesaw-type turn member toward one of the first and second turned position, each include a plunger which has an operating portion enabling the plunger to be pushed in from the outside, thereby enabling an operator's manual switching.
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