Key operated lock

Details Key operated lock Key operated lock

1986-07-21

1987-08-04

Wolfe, Robert L.

Locks

Operating mechanism

Key

70378, 70419, E05B 2708

Patent

active

046837396

ABSTRACT:
An axial type, tubular key operated, cylinder lock which utilizes a plurality of variable strength and variable tension spring-biased pin arrangements which are to be movable when connected with the proper key to a shear-line position achieving operation of said lock. A pin assembly is normally movable longitudinally to its shear-line position. Any attempt to move the pin assembly other than with a properly coded key will result in the pin assembly being deflected to a displaced position deterring against operation of the lock.

REFERENCES:
patent: 1860712 (1932-05-01), Gutman
patent: 2222027 (1940-11-01), Golden
patent: 2629249 (1953-02-01), Mandelsohn
patent: 3130573 (1969-04-01), Hines
patent: 3270538 (1966-09-01), Kerr

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