Electronic lock for hotel room safes and the like
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 19, 1989
Grant Date -
N/A
app pub date -
May 30, 1989
filing date -
May 30, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic lock controlled safe for hotel rooms and the like including a box-like safe having a safe door and door frame, an electronic lock mounted on the door including a forwardly exposed keypad and display window assembly, the keypad having plural finger-actuated keys with associated numerals and legends and an associated electrically activated alpha-numeric display strip located adjacent the keypad for displaying messages through the display window to an operator. The lock mechanism on the door includes a bolt movable between projected and retracted positions respectively for locking and unlocking the door, an electric motor and drive wheel mechanism driven thereby including a slip clutch, a movable link member coupled to the slip clutch and the bolt, photoelectric light sensors positioned adjacent the link providing sensor beam paths selectively intercepted by portions of the link for sensing predetermined positions of the link, and micro-processor circuitry responsive to signals from the keypad keys and the sensor signals for activating the display strip to display predetermined messages and for activating the electric motor to move the bolt to projected and retracted positions.
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