Electromagnetic lock device
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United States of America Patent
Stats
-
Mar 21, 2006
Grant Date -
Mar 2, 2006
app pub date -
Sep 1, 2004
filing date -
Sep 1, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electromagnetic lock device includes a receptacle, a deadbolt slidably engaged in the receptacle and extendible out of the receptacle, for locking a door panel to a door frame, a shaft attached to one end of the deadbolt. A housing is attached to the receptacle, and includes a plunger core slidably received in a coil and actuatable by the coil and having a pin. An elbow includes an arm pivotally secured to the receptacle, an opening formed in an intermediate connecting portion to slidably receive the pin, and another arm having an oblong hole to slidably receive the shaft, and to allow the deadbolt to be forced in and out of the receptacle by the plunger core via the elbow. A spring member may bias the plunger core out of the housing, when the coil is not energized.
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Cited Art Landscape
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