Patent ID: 6102452
Filing Date: 2000-08-15
Classification: E05B,E05C,Y10T

Abstract:
A locking device for doors or windows comprising:a base member, including an axially extended hole which has one end being formed as an oblong-shaped hole and the other end being formed with a round opening, the oblong-shaped hole having an axially extended inner wall;a locking shaft, from a front end of the locking shaft, there are formed in sequence with a ball-shaped handle, a circular ring, an oblong-shaped locking block cooperating with the oblong-shaped hole, an elongated round rod having a diameter no greater than the width of the locking block, and a thread portion at an end of the round rod for connecting with a locking head which has a diameter greater than the round rod, wherein the locking block, round rod and locking head can be received in the oblong-shaped hole and the round opening;a spring mounting around the round rod, the spring having one end pushing on the inner wall of the oblong-shaped hole and the other end pushing on an inner surface of the locking head so as to provide a spring force keeping the locking shaft at a pre-determined position relative to the base member.