Electro-mechanical lock with rotary bolt
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United States of America Patent
Stats
-
Sep 1, 1992
Issued Date -
N/A
app pub date -
Jul 31, 1990
filing date -
Jun 6, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic lock for a safe door is provided with a digital keypad entry device, a mechanical bolt works and associated handle for retracting the door bolts, and a spring biased rotary bolt which engages and precludes operation of the bolt works, such that upon entry of the predetermined code into the entry device, an electric signal causes a solenoid to energize and retract its armature from a blocking position relative the rotary bolt, further enabling the rotary bolt to rotate against its bias in response to mechanical manipulation of the handle by the user to retract the door bolts. Unauthorized operation of the safe handle causes the rotary bolt to be locked into a fixed position, preventing entry into the safe.
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