| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable to mount two types of tubes with different diameter. SOLUTION: A clamp portion 1 comprises: an approximately semi-circular receiving portion 14 an arc spring portion 15, which is disposed between the receiving portions 14, 14 and exerts spring reaction force in a direction of the center of a circle forming the receiving portions 14, and of which diameter is smaller than that of an arc forming the receiving portion 14 and the tip portion thereof is formed to exceed a half of a circumference in a circumference direction; a cantilever type first holding arm 11, which is disposed on an upper side of the spring portion 15 and is disposed radially toward the center of the circle forming the receiving portion 14, and of which tip portion is positioned on an approximately same circumferential face as that of the circle forming the arc receiving portion 14; and an over hang portion 21 disposed at the middle of a pole portion 2 formed continuously and vertically with/to the receiving portion 14 on a side opposite to the first holding arm 11.</p> |
