Coin-operated locker
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 18, 1990
Grant Date -
N/A
app pub date -
Dec 19, 1988
filing date -
Dec 28, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A coin-operated locker which is impossible to be opened when the locker is unused and which is openable by means of its door and becomes usable when a coin or coins of a predetermined amount are deposited, includes a sensor for detecting the deposit of a coin or coins, a detector for detecting the locking and the unlocking of a cylinder lock, a plunger engageable with or removable from an engaging opening of the door, and a controller for retracting the plunger from the door in response to a coin deposit signal from the sensor and for engaging the plunger with the door after a predetermined time in response to an unlock signal from the detector.
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Family
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Cited Art Landscape
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