Patent ID: 7992263

Claim:
A connector, comprising: a first member; and a second member, one of the first member and the second member including: a neck portion projecting from the one of the first member and the second member, the neck portion having a circular cross section; an oval bulging portion formed on a tip end of the neck portion, and an engaging portion provided by a circumference of the bulging portion; the other of the first member and the second member including: a fitting hole into which the bulging portion is press-fitted in a rotatable manner, the fitting hole defining an entrance side and an exit side of the bulging portion, the entrance side having a circular shape and the exit side having an oval shape having a smaller diameter than the circular shape of the entrance side; and an engaged portion formed on a periphery of the fitting hole on the exit side to be engageable with the engaging portion; wherein the engaging portion formed on the bulging portion and the engaged portion formed in the fitting hole are so formed that a size of a contacting area varies in accordance with a position on which the first member and the second member rotate around the neck portion inserted into the fitting hole.