Lock with a double locking mechanism for a safe, bank compartment or the like
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United States of America Patent
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Apr 14, 1987
Grant Date -
N/A
app pub date -
Jul 8, 1985
filing date -
Jul 12, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a lock with a double locking mechanism comprising a first locking mechanism having tumblers movable by a first key to authorize the operation, by means of a second key, of a second locking mechanism comprising a bolt associated with a releasable fingered bolt-retaining member through the medium of a link bar pivotally mounted on the releasable member and pivotally connected by one of its ends to the bolt, whereas the other end of the bar is adapted to co-operate with a retractable stop controlled from a distance.
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