| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem that a method employed hitherto for fixing substances different in angle with screws while interposing a rocking washer or retaining the substances by using a spherical body may cause small trouble to vibration and load application.SOLUTION: A body of a screw fixation device is of a cone with a rib and solidly fixed by a frictional force by penetrating a plurality of fixation sections and tightening a screw through them. There is provided a device that can also prevent rotation by a rib effect. |
