| 摘要 |
<p>A buckle (1) provided with a male member (2) and a female member (3) in which the male member (2) can be inserted and engaged, leg parts (22) of the male member (2) exposed from an opening (33) elastically deforming in the direction opposite the direction in which the leg parts (22) face each other when an external force in the reverse direction of the insertion direction (X) is exerted on the male member (2) after an engaging face (251A) of the male member and an engagement-receiving face (361A) of the female member (3) have been engaged, whereby the engagement width (W2) of the engaging face (251A) and the engagement-receiving face (361A) increases relative to the engagement width (W1) prior to application of the external force.</p> |
