Patent ID: 7900491
Filing Date: 2011-03-08
Classification: E05B,Y10T

Abstract:
1. A rekeyable lock cylinder comprising: a cylinder housing with a longitudinal axis and a longitudinally extending segmented groove, the segments being separated by a first feature; a plug body disposed in the cylinder housing for rotation between a home position and a reset position; a carrier disposed adjacent the plug body for rotation therewith and for longitudinal movement relative thereto between the reset position and a learn position, the carrier including a chamber; a plurality of pins disposed in the plug body; a plurality of racks disposed in the carrier, the racks being engaged with the pins when the carrier is in the home and reset positions and disengaged from the pins when the carrier is in the learn position; a locking bar disposed in the chamber for radial movement relative to the carrier to selectively engage the cylinder housing, the locking bar further including a second feature, the first and second features cooperating to prevent the locking bar from entering the groove when the carrier is in the home position and retaining the locking bar in the groove when the carrier is in the learn position.