Apparatus for converting mechanical locks to operate electrically using momentary power
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United States of America Patent
Stats
-
Jul 20, 1993
Grant Date -
N/A
app pub date -
Sep 2, 1992
filing date -
Sep 2, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A conversion apparatus has a magnetic latching solenoid equipped with a special plunger shaft and piston mechanism which can move independently of the plunger, allowing mechanical locks to operate with momentary battery power. The plunger shaft is bored to accept the piston which consists of an inner shaft and a locking pin. The locking pin and inner shaft are secured to the plunger shaft with a light spring. With this mechanism, the operation of locking and unlocking is complete, regardless of readiness of the locking device, since the locking pin will move to the intended position of locking/unlocking after momentary prevention such as premature twisting of the lock knob.
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