Locks – Operating mechanism – Key
Patent
1993-06-28
1995-03-28
Cuomo, Peter M.
Locks
Operating mechanism
Key
70373, 70375, 70419, E05B 1902, E05B 2708
Patent
active
054006295
ABSTRACT:
An axial pin tumbler lock for housing in an outer shell. The lock includes a shell and a rotatable driver sleeve telescoped into the shell. The driver sleeve has a bird-cage design including a front large inner diameter portion and a rear small-diameter inner portion and circumferentially arranged throughbores in communication with the inner diameters. A stationary tumbler sleeve is also telescoped in the shell, and in a facing relationship with the driver sleeve. The tumbler sleeve slot includes throughbores in communication with an inner diameter. A spindle extends through the sleeves and is rotatably mounted in the driver sleeve. The spindle includes a body portion and a neck portion with a curved transition zone between the two. Driver and tumbler pins mounted in the throughbores normally prevent rotation of the spindle and driver sleeve with respect to the tumbler sleeve.
REFERENCES:
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patent: 5024072 (1991-06-01), Lee
patent: 5133203 (1992-07-01), Huang
patent: 5327752 (1994-07-01), Myers et al.
Boucher Darnell M.
Cuomo Peter M.
Fort Lock Corporation
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