High security locking mechanism

Details High security locking mechanism High security locking mechanism

1975-02-24

1976-12-14

Gilliam, Paul R.

Locks

Portable

Padlocks

70 34, 70 54, 70416, 70417, 70DIG57, E05B 6548, E05B 6736, E05B 6738

Patent

active

039967743

ABSTRACT:
A high security lock to secure the eyes of a hasp and keeper. The lock is of a short cylindrical shape with a rear cavity to receive and enclose the hasp and keeper eyes, and contains a locking bolt to engage such eyes.
The lock and the hasp and keeper assembly interact to give high security. The lock encloses and closely embraces the eyes of the hasp and keeper and lies close against the pads of the hasp and keeper. Shroud plates overlying the pads closely surround the rear edge of the lock. The shrouds and plates of the hasp meet those of the keeper at a separation plane offset from that of the eyes and of the door and its jamb.

REFERENCES:
patent: 834591 (1906-10-01), Streams
patent: 911192 (1909-02-01), Zielenski
patent: 2660872 (1953-12-01), Beach
patent: 3460861 (1969-08-01), Niilola
patent: 3652114 (1972-03-01), Cady et al.
patent: 3817062 (1974-06-01), Randel
patent: 3820360 (1974-06-01), Best
patent: 3858923 (1975-01-01), Bunn
patent: 3884057 (1975-05-01), Maurer
patent: 3901058 (1975-08-01), Best

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