Patent ID: 6766673
Filing Date: 2004-07-27
Classification: E05B,Y10T

Abstract:
An improved key cylinder assembly for padlocks comprising:a key cylinder body having a bible, a key end and oppospng driver end, and a cylindrical central cavity extending from the key end to the driver end of the key cylindrical body, the bible having channels with pins and springs, the channels in communication with the cylindrical central cavity; and a key cylinder plug having a key end and an opposing driver end and a circular surface, the key cylindrical plug adapted to be received in and rotated in the cylindrical cavity, the key cylinder plug having a key slot extending from the key end to the driver end and dividing the key cylinder plug into first and second hemispheres, the key cylinder plug having channels with pins, the channels of the cylindrical plug being coaxial with the channels of the key cylinder body when the channels of the plug and the body are aligned, the channels of the plug communicating with the key slot, the key slot adapting to receive a bitted key which is adapted to align the ends of the pins in the channels with the circular surface of the plug to permit rotation of the plug in the cylindrical central cavity of the body, the driver end of the plug having a half-round driver extending axially outward from the driver end of the first hemisphere and a pin hole extending axially inward in the driver end of the second hemisphere.