| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of the conventional device that because a tube fuse holder part is held on a body of electronic equipment subjected to a vibration or impact with a tube fuse holder and the tube fuse holder is locked with a locking screw, the locking screw meeds to be removed from the tube fuse holder, when changing the tube fuse and that it is not easy to change the tube fuse. SOLUTION: A case for a tube fuse holder unit 6 us formed, by fitting two cylindrical cases 9, 11 in a slidable manner. When the tube fuse holder unit 6 is stored in a storage recess 16, one of the cylindrical case 11 is driven to the direction of sliding and extending by a coil spring 15 in the case and the second cylindrical case 11 is pressed against a wall 17 of the storage recess 16 and fixed thereto. The tube fuse holder can be fixed easily, and work for exchanging or the like of the tube fuse is easily made without requiring the tube fuse bolder and its locking screw.
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