Locking device consisting of a bolt lock and key-actuated lock cylinder
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United States of America Patent
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-
Oct 23, 1990
Grant Date -
N/A
app pub date -
Apr 27, 1989
filing date -
May 7, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A locking device consisting of a lock and a key-actuated lock cylinder, in which the lock cylinder can be removed from the bolt lock only by the use of a key. In order to make it possible for any removal of the lock cylinder to be noted, the invention discloses a separate removal key and a catch which drops upon the removal and prevents re-insertion of the lock cylinder.
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