Patent ID: 9010163
Filing Date: 2015-04-21
Classification: E05B,Y10T

Abstract:
1. A lock assembly comprising: a lock cylinder having a bore disposed therein and at least one pocket located adjacent the periphery of the bore; wherein the cylinder includes a chimney that houses top pins and corresponding springs; a plug including a cassette slot, top opening, and a plunger bore; wherein the plug is held in the lock cylinder by a retaining clip; a plunger that fits in the plunger bore of the plug; a locking tab having a slot disposed therein; wherein the slot of the locking tab receives a portion of the plunger; a cassette that has a key slot configured to receive a key, and openings configured to receive a plurality of pins that when the key is inserted into the key slot, the pins do not extend beyond a shear line located between the periphery of the lock cylinder bore and its chimney; wherein the cassette includes a tool slot configured to receive a tool for engaging the plunger to selectively move at least a portion of the locking tab to the pocket; wherein when the at least the portion of the locking tab is located in the pocket the locking tab does not block the cassette from being removed from the bore in the lock cylinder; and wherein the cassette is available to be rekeyed.