Side release buckle

Claim 1

A side release buckle comprising: a female part which is made hollow with a shaped opening properly at each side; and a male part which has a pair of integrally and symmetrically shaped latching elements which can be inserted in the hollow inside of the female part with shaped hooks at ends clasping on an edge of the opening of the female part to join the female part and the male part together; wherein the male part has a pair of the integrally shaped locking elements between the two latching elements so that the locking elements can properly lock the latching elements; wherein the female part has an integrally shaped guide in an internal wall thereof and a retainer located near a bottom of said female part for retaining a compressive device which consists of a spindle, a compression spring, and a wedge-shaped element, with the compression spring and the wedge-shaped element being placed over the spindle such that the wedge-shaped element is capable of moving along a direction; male part capable of reaching a preset depth in the course of buckling action such that the locking elements come into contact with the wedge-shaped element of the compressive device of the female part, and that the locking elements move apart by a slope of the wedge-shaped element so as to move in a curving form until the locking elements press against the latching elements, and further that the male part and the female part are buckled.