High security cylinder lock

Details High security cylinder lock High security cylinder lock

1986-04-02

1987-07-14

Wolfe, Robert L.

Locks

Operating mechanism

Key

70134, 70417, E05B 910

Patent

active

046794182

ABSTRACT:
A cylinder operated deadbolt lock in which a solid housing is provided with bores and apertures only to accommodate the lock components, such as the lock cylinder, the lock bolt, and the bolt moving mechanism. The lock bolt is thrown and withdrawn by a pinion bolt moving mechanism which engages a rack formed on the bolt. The lock is further provided with a drill resistant guard plate which is mounted in the housing and protects the lock cylinder against drilling.

REFERENCES:
patent: 1125791 (1915-01-01), Aston
patent: 1411898 (1922-04-01), Augenbraun
patent: 1461756 (1923-07-01), Croning
patent: 3605461 (1971-09-01), Frank
patent: 3698216 (1972-10-01), Keller-Volper
patent: 3808854 (1974-05-01), Mercurio
patent: 3992908 (1976-11-01), Crerisek
patent: 4012931 (1977-03-01), Harunari
patent: 4593546 (1986-06-01), Allen

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