Security device against attack on a lock

Details Security device against attack on a lock Security device against attack on a lock

1985-02-15

1986-12-30

Wolfe, Robert L.

Locks

Attack-actuated defeating mechanisms

70416, E05B 6300

Patent

active

046319352

ABSTRACT:
The present invention relates to a security device against attacks on a lock comprising a member mounted pivotally on a lock body and one end of which retains a finger constantly acted upon by a spring, whereas the other end of the member is provided with a slot identical in shape with at least a portion of the lock inlet receiving the key.

REFERENCES:
patent: 4143528 (1979-03-01), Weber
patent: 4512165 (1985-04-01), Ujeda

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