High security lock mechanism

Details High security lock mechanism High security lock mechanism

1996-01-29

1998-02-24

Gall, Lloyd A.

Locks

Operating mechanism

Combination

70278, 74527, 292142, 292144, E05B 4902

Patent

active

057201943

ABSTRACT:
A safe locking mechanism has an engagement element movable from a disengaged position to an engageable position in response to a small amount of electrical power. When in its engageable position a mechanical linkage assembly is driven by the engagement element to unlock a lock-bolt. The mechanical linkage assembly includes a low inertia pivoting cam which interacts with a lock lever of the locking mechanism to move it to an unlocking state. Electrical power is generated solely while the user manually inputs a combination code, and a microprocessor controls storage and delivery of this power to put the engagement element into its engageable position. Once the desired engagement is obtained, the lock-bolt is moved from its locking to its unlocking position manually. Subsequent unlocking requires another entry of the code input.

REFERENCES:
patent: 5487290 (1996-01-01), Miller et al.

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