Group card-key actuated lock having individual lockout
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United States of America Patent
Stats
-
Oct 18, 1988
Grant Date -
N/A
app pub date -
Sep 10, 1985
filing date -
Sep 10, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A number of bearers concurrently use card-keys, having a common access code, and a unique lockout code to open a single lock. If a particular bearer is to be selectively locked out, the lockout code sensing device in the lock is changed to lockout the particular bearer but not all other bearers concurrently using their card keys to open the same lock.
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