Anti-attack interlocks for a combination lock mechanism
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United States of America Patent
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Jan 14, 1997
Grant Date -
N/A
app pub date -
Feb 20, 1992
filing date -
Feb 20, 1992
priority date (Note) -
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Abstract
Interlocks are described that prevent the bolt of a bolt lock from being displaced to the unlocked position by the use of impact and inertial of the lock parts, heat and the displacement of the cover plate of the lock housing.
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