Patent ID: 8366158

Claim:
A latch direction change structure of lock, comprising: a fixed member, which comprises front and rear vertical walls and a horizontal connection wall connected between the front and rear vertical walls, the front vertical wall forming a through hole, the rear vertical wall forming a through hole having a larger diameter; a movable member, which comprises front and rear vertical walls and a horizontal connection wall connected between the front and rear vertical walls, the front and rear vertical walls respectively forming through holes; a bar, which has a front end coupled to a latch and a rear end forming an expanded bar section that is smaller in diameter than the through hole of the rear vertical wall of the fixed member; and a case having a retention member positioned against the rear vertical wall of the fixed member; wherein the fixed member and the movable member are fit to each other in an opposing manner and the bar sequentially extends through the through holes of the fixed member and the movable member, a spring, and the through hole of the fixed member to be coupled to the latch, and wherein when the latch is pulled frontward with respect to the case, the movable member is caused to move along the fixed member to allow the latch to separate from the case for selective rotation of 180 degrees, whereby the lock is fit for both leftward and rightward opening operation, and wherein the through hole of the rear vertical wall of the fixed member has a circumference forming symmetrically arranged slots and wherein the expanded bar section of the bar forms symmetrically arranged positioning pegs, whereby when the bar is released to return to an original position, the positioning pegs are respectively fit into the slots for positioning to thereby prevent the latch from inclining.