Lock assembly for showcases and other closures

Claim 1

A LOCK ASSEMBLY COMPRISING A HOLLOW HOUSING OPEN AT BOTH ENDS AND HAVING A GENERALLY T-SHAPED LONGITUDINALLY EXTENDING SLOT IN THE BASE THEREOF, A LOCK CYLINDER DETCHABLY MOUNTED WITHIN SAID HOUSING, SAID HOUSING AND SAID CYLINDER HAVING ALIGNED OPENINGS, A RETAINER PIN POSITIONED IN SAID OPENINGS TO RETAIN THE CYLINDER IN THE HOUSING, A PLUG ROTATABLY MOUNTED IN SAID CYLINDER HAVING A TRANSVERSE ARCUATE SLOT IN THE SURFACE THEREOF, A PLUG STOP PIN MOUNTED IN THE CYLINDER AND EXTENDING INTO THE ARCUATE SLOT TO LIMIT ROTARY MOVEMENT OF THE PLUG, A PROJECTION ON THE INNER END OF THE PLUG, A LOCK BOLT MOUNTED IN THE CYLINDER AND YIELDABLY BIASED INTO THE T-SHAPED SLOT, SAID BOLT HAVING AN ELONGATED SLOT RECEIVING THE PROJECTION ON THE PLUG, A RESILIENT BUMPER MOUNTED ON THE END OF THE CYLINDER OPPOSITE THE PLUG, AN EXTENSION ON THE END OF THE CYLINDER ADJACENT AND OVERLAPPING SAID BUMPER, AND AN ELONGATED LOCKING BAR ADAPTED TO BE RECEIVED IN THE T-SHAPED SLOT AND HAVING A PLURALITY OF LONGITUDINALLY ALIGNED LOCKING NOTCHES COOPERATING WITH THE BOLT, SAID BAR HAVING A HOOKED END COOPERATING WITH THE ARTICLE TO BE LOCKED.