Vault door locking system featuring microprocessor-based locking

Details Vault door locking system featuring microprocessor-based locking Vault door locking system featuring microprocessor-based locking

1990-05-29

1993-03-23

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

3408253, 70277, 70278, G06F 700, E05B 4700, E05B 4900

Patent

active

051968410

ABSTRACT:
A locking system for a security door comprises a lock mounted on an inner surface of a door and an operating system located outside of the door. The lock has a bolt movable between locking and unlocking positions and a releasable blocking mechanism controlling and preventing movement of the bolt to its unlocking position. A mechanism for actuating the blocking mechanism is operatively coupled to the operating system. The operating system is independent of and spaced from the lock position to mask the blocking mechanism position.

REFERENCES:
patent: 3878511 (1975-04-01), Wagner
patent: 3881171 (1975-04-01), Moorman et al.
patent: 4079605 (1978-03-01), Bartels
patent: 4083424 (1978-04-01), Von Den Stemmen et al.
patent: 4665727 (1987-05-01), Uyeda
patent: 4671086 (1987-06-01), Fogleman et al.

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