Internally bitted key changeable, axial pin tumbler lock and com

Details Internally bitted key changeable, axial pin tumbler lock and com Internally bitted key changeable, axial pin tumbler lock and com

1998-01-06

2000-03-21

Barrett, Suzanne Dino

Locks

Operating mechanism

Key

70404, E05B 2700

Patent

active

060388986

ABSTRACT:
An axial pin tumbler lock and key assembly comprise a housing with an axial pin tumbler barrel fixed within the housing and including passages for storage of key change tumblers. A rotatable forward barrel and spindle include axial pin tumblers movable in response to the insertion of an appropriate key of the type having a hollow cylindrical barrel for engagement with the tumblers. The key includes detents on the inside surface of the cylindrical barrel and radial ribs on the outside surface thereof for actuation of the front barrel.

REFERENCES:
patent: 2982121 (1961-05-01), George
patent: 3251205 (1966-05-01), Kerr
patent: 3258945 (1966-07-01), Kerr
patent: 3509748 (1970-05-01), Trainor
patent: 3541819 (1970-11-01), Kerr
patent: 3648492 (1972-03-01), Walters et al.
patent: 3916657 (1975-11-01), Steinbach
patent: 3961507 (1976-06-01), Falk
patent: 4012931 (1977-03-01), Harunari
patent: 4112820 (1978-09-01), Conger et al.
patent: 4233828 (1980-11-01), Dauenbaugh

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