Patent ID: 7204002

Claim:
A buckle for coupling or separating a pair of members, comprising: a socket; and a plug capable of being inserted into the socket and hooked in the socket in the state where the plug is inserted to a prespecified position, wherein the socket is attached to a one member of the pair of members, and the plug has a pull section projecting in a direction intersectional to the inserting direction of the plug, and a mounting section for mounting thereon the other member of the pair of members is provided on the pull section, further comprising a hooking unit for hooking the plug in the socket in the state where the plug has been inserted to a prespecified position therein, and a releasing unit for releasing the hooking state of the hooking unit, wherein the hooking unit includes a hooking section provided on one of the socket and the plug and formed along the direction in which the plug is inserted into the socket, and an elastically deformable hooking piece provided in the other of the socket and the plug, wherein the hooking piece is elastically deformed, when the plug is inserted into the socket, by a guide wall in the direction inward into the plug, then elastically restored to the original form and hooked in the hooking section upon reaching the hooking section, and the releasing unit has an operating section provided at a position corresponding to the elastic hooking sections of the plug for elastically deforming the elastic hooking piece in the direction inward into the plug.