Patent ID: 8112850

Claim:
A buckle, comprising: a male member and a female member, wherein: the male member comprises: a base; a pair of legs that project from the base; and an engaging portion provided on a distal end of each of the pair of the legs to be engageable with the female member; the female member comprises: a female member body that includes a top wall and a bottom wall that constitute a top surface and a bottom surface and a pair of side walls that connect the top wall and the bottom wall; an insertion port into which the pair of the legs of the male member are inserted, the insertion port being provided at an end of the female member body; a guide that engages the engaging portion and elastically deforms the pair of the legs inserted through the insertion port in a direction in which the engaging portion of the pair of the legs come closer to each other, the guide comprising a tapered guide groove whose width becomes gradually narrower from the insertion port to a depth portion proximate a remote side of the female member body at an inner surface of the top wall and the bottom wall of the female member body; and a pair of engaged portions provided on both the top wall and bottom wall at the depth portion of the guide, the pair of engaged portions displacing the distal ends of the pair of the legs in a direction in which the distal ends of the pair of legs are spaced apart from each other, the pair of engaged portions to be engaged with each of the engaging portions when the engaging portion of the male member is inserted to a predetermined position; the engaged portions are provided by abutment walls oppositely provided in the direction for the legs to be spaced apart from each other to be abutted with each of the engaging portions; and the abutment walls are respectively formed as a wall surface that extends in a direction in which each of the walls comes closer to each other toward a disengaging direction of the male member.