Locks – Operating mechanism – Key
Patent
1997-09-18
1999-09-28
Gall, Lloyd A.
Locks
Operating mechanism
Key
70409, 70494, E05B 1920
Patent
active
059569840
ABSTRACT:
The method and apparatus for picking a lock which utilizes a single blade or pair of elongated thin, rigid, interchangeable blades which are to be inserted within the keyway of the lock. Each of the blades have an upper hiatused surface and can have an off-center sharpened edge so that the sharpened edge will contact the cylindrical lock pins of the lock spaced from the center of each of the lock pins. The off-center sharpened edge could be formed by beveling the side of the blade or by making a cut-out in the blade. The hiatused surface of the blades cause the lock pins of the lock to move lineally with the sharpened edge causing the lock pins to pivot. Instead of a hiatused surface, there could be used one or more deflectable members, tufts of bristles or a brush. The blades are to be driven in a reciprocal manner with one blade moving in and the opposite blade moving out. The driving of the blades in an in and out linear motion can be accomplished either by an electrical motor or by a mechanical manually operated mechanism.
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patent: 5224365 (1993-07-01), Dobbs
patent: 5289709 (1994-03-01), Field
Gall Lloyd A.
Munro Jack C.
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