| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a clamping frame for a drum by which attaching/detaching work of a drum head can be performed with ease, sufficient strength toward tuning of high-tension can be secured and the drum head can be disposed spreadingly in a stable state. SOLUTION: A fixing hole 22 for a bolt disposed in a disk part 20B of the clamping frame 20 is constituted of a long hole with double blocked ends composed of a long hole part 22A in which a bolt main body of a clamping bolt is inserted and a hole part 22B which is successively disposed at one end side of the long hole part 22A and has size with which a head part of the clamping bolt can be inserted therein.</p> |
