Patent ID: 7849566

Claim:
A clasp comprising: a first member and a second member that are respectively disposed to a first and second coupled members, the clasp being closed by the first member and the second member mutually engaging when the first and second coupled members slide opposite to each other in a sliding direction, the first member having a first attachment member that has a first spine longitudinally extending in a direction perpendicular to the sliding direction and two side walls each of which is disposed on each longitudinal end of the first spine, the first spine connecting the two side walls; and a button unit having a push button which is urged to the outside from the inside of the coupled members in a direction intersecting the sliding direction, and which is disposed with the first coupled member held between the first attachment member and the button unit, the second member having a second attachment member that has a second spine longitudinally extending in the direction perpendicular to the sliding direction and a two side walls which are attached at a prescribed position to the second coupled member, each of the two side walls is disposed on each longitudinal end of the second spine, the second spine connecting the two side walls, the first attachment member and the button unit being attached at a prescribed position to the first coupled member, the button unit having a protruding catch that moves in conjunction with the push button and engaging with the side walls of the second attachment member when the coupled members are slid together, the side walls of the second attachment member having a recessed strike to which the protruding catch is inserted from the inside of the side walls, the first coupled member being configured to be inserted between the second spine and the second coupled member, one of the first spine or the button unit having a stud that protrudes towards the other of the first spine and the button unit, the stud being configured to be inserted to a hole formed in the first coupled member.