Patent ID: 8826496
Filing Date: 2014-09-09
Classification: E05D,G02C,Y10T

Abstract:
1. An elastic hinge for quick-assembly leg comprising: a double-tooth hinge portion; a screw; a spring core assembly; and a leg; wherein the spring core assembly comprise an elastic buckle, a single-tooth frame which is inserted in a cavity of the elastic buckle, a core pin which is housed in a cavity of the elastic buckle after the single-tooth frame is assembled into the elastic buckle, and a spring sleeved on the core pin; the elastic buckle is provided with a fastening part and the leg is formed with a locking part to engaged with the fastening part, and the leg and the elastic hinge are removably assembled together; the single-tooth frame comprises a forepart and a backpart, the forepart is approximate to circular, and a circular through-hole is formed thereon, the backpart is approximate to rectangle and a rectangle through-hole is provided thereon, a non-through groove is opened along the centre line from outside to inside at the end of backpart; the forepart of the single-tooth frame is connected to the double-tooth hinge portion via said screw, the groove at the backpart of the single-tooth frame is inserted into a slot formed at the corresponding part of the elastic buckle to be positioned, the rectangle through-hole is configured to contain the core pin and the spring sleeved on the core pin, the undersurface of the rectangle through-hole is configured to be against the undersurface of the spring and stop the movement of the hinge.