US Patent 10357082 Belt buckle

A belt buckle provided includes: a hollow retaining member including an entry end and an opposite exit end; a rotary member pivotally connected to two ears of the exit end and including a recess, a pulling portion protrudes from one side of the recess, an engaging portion is formed at an opposite another side of the recess, and an abutting portion is provided on an outer surface of the rotary member; a pivot disposed in the recess and having two ends inserted through the ears; a spring sleeved onto the pivot and disposed in the recess to push the abutting portion towards the two ears of the exit end; and an engaging member pivotally attached to the two ears of the entry end.