Patent attributes
A buckle includes a male member and a female member. The male member is provided with a base, a pair of legs and an engaging portion provided on a distal ends of the legs. The female member is provided with an insertion port, a guide that elastically deforms the distal end of each of the legs inserted through the insertion port in a direction in which the distal ends come closer to each other and a pair of engaged portions formed on both sides of a remote side of the guide. Each of the engaged portions displaces each of the engaging portions in the direction in which the engaging portions get apart with each other and is provided by a concave that has an abutment wall on a rear portion in the releasing direction to be abutted by each of engaging portions. Each of the abutment walls is formed as a slant surface that inclines in the direction in which the abutment walls come closer to each other toward the releasing direction of the male member.