Burglaryproof axial pin tumbler lock

Details Burglaryproof axial pin tumbler lock Burglaryproof axial pin tumbler lock

1994-08-23

1996-08-13

Meyers, Steven N.

Locks

Operating mechanism

Key

70395, 70397, 70404, 70419, E05B 2700

Patent

active

055445128

ABSTRACT:
An axial pin tumbler lock comprises a housing, an outer tumbler pin seat, a plurality of outer tumbler pins, an inner tumbler pin seat, and a plurality of inner tumbler pins. The smallest distance between the center of the outer tumbler pin seat and the outer edge of at least one of the outer tumbler pins is greater than the radius of the first axial hole of the housing, so as to enable the outer tumbler pin in question to be concealed by a shoulder located between the first axial hole and the second axial hole of the housing.

REFERENCES:
patent: 14958 (1856-05-01), Hendrickson
patent: 291686 (1884-01-01), Clark
patent: 312819 (1885-02-01), Colby
patent: 591901 (1897-10-01), Trotman
patent: 1984202 (1934-12-01), Shinn
patent: 3251205 (1966-05-01), Kerr
patent: 3267707 (1966-08-01), Adams
patent: 4831853 (1989-05-01), Liao
patent: 5020349 (1991-06-01), Lee
patent: 5174140 (1992-12-01), Lee
patent: 5402660 (1995-04-01), Osada

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