Anti-pick lock

Details Anti-pick lock Anti-pick lock

1991-07-18

1992-08-18

Gall, Lloyd A.

Locks

Operating mechanism

Key

70375, 70379R, 70409, 70419, E05B 2706

Patent

active

051388561

ABSTRACT:
A lock including a sleeve fixed in the body and having a number of orifices, a stud and a spring received in each of the orifices, a barrel received in the sleeve and including a number of apertures and a bore for rotatably receiving a core which includes a notch, and a key engageable with the notch of the core and including a number of depressions, the barrel can not be rotated when the studs are engaged between the sleeve and the barrel, and the barrel can be rotated when the studs are biased to engage within the apertures of the barrel.

REFERENCES:
patent: 929668 (1909-08-01), Hartman
patent: 2009640 (1935-07-01), Stone et al.
patent: 2491337 (1949-12-01), Segal
patent: 4148201 (1979-04-01), Miyamae et al.
patent: 4838061 (1989-06-01), Tai-Seng

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