Method and device for permanently locking a movable member in a framework
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United States of America Patent
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Dec 15, 1987
Grant Date -
N/A
app pub date -
Jan 16, 1986
filing date -
May 25, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method and device for permanently locking a movable member in a framework, such as locking a door of a safe in case of an attack, in which an explosive member sensitive to an outer action is detonated and deforms the movable member such as a door of the safe to create an artifical bolt extending outside of the movable member and penetrating in the framework, e.g. of the safe. The movable member is thus automatically locked when the artificial bolt is created under the effect of the explosion. Alternatively, the explosive member may be provided in the framework itself, in which case the framework is deformed due to the effect of the explosion, creating an artificial bolt which extends into the movable member itself, e.g. the door of a safe.
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