Patent ID: 6679090
Filing Date: 2004-01-20
Classification: E05B,Y10T

Abstract:
A rotatable cylindrical lock comprising:a lock housing having a cylindrical opening further defining a groove and a rotational slot, the lock housing having an inner and outer end; an adapter positioned in the cylindrical opening, the adapter having a tumbler block and a stop lug, the stop lug positioned within the rotational slot; a shifter positioned in the cylindrical opening between the adapter and the inner end of the housing, the shifter having a drive slot; a removable lock core positioned in the cylindrical opening, the lock core defining a plurality of tumbler slots, a block restrictor relief, and a latch control lug, the tumbler block positioned within the block restrictor relief, the latch control lug positioned in the drive slot; and a release tumbler positioned within one of the plurality of tumbler slots.