Patent ID: 6058752
Filing Date: 2000-05-09
Classification: E05B,Y10T

Abstract:
A pick resistant lock system comprising:a housing having an interior end and an exterior end with an axial cylindrical bore and a plurality of radial bores spaced along the cylindrical bore and constituting a pin chamber, the radial bores having open ends in communication with the axial bore;a rotatable main cylinder having interior and exterior ends rotatably located within the axial bore, the main cylinder having radial bores alignable with the radial bores of the housing and a planar key way alignable with the radial bores when in the locked orientation;a plurality of pins positionable within the radial bores of the housing and main cylinder and the pins urged toward the key way;a generally cylindrical facing cylinder having an interior and exterior end axially alignable with the main cylinder and freely rotatable with respect thereto, the facing cylinder matable with the main cylinder such that the interior end is flush with the interior end of the main cylinder, the facing cylinder also having an introductory key way alignable with the key way of the main cylinder for receiving a key.