Buckle for a belt connected to e.g. knapsack, bag, clothes has socket with triangular upper and lower plates having opposite lateral sides gradually converging towards socket leading end so as to form opposite tapered side surfaces

摘要

The socket (30) has triangular upper and lower plates having opposite lateral sides gradually converging towards the leading end of the socket so as to form opposite tapered side surfaces. Each slot is extended from the entrance of the socket chamber so as to communicate with the interior of the chamber. The socket chamber receives the engaging legs (15) of the plug (10).