| 摘要 |
PROBLEM TO BE SOLVED: To eliminate rattling of a shaft without using an expensive component. SOLUTION: This supporting method of a shaft 11 is applied, when a lever 3 is rotatably supported on a main body 2 via a bearing 10 and the shaft 11. The shaft 11 is energized and supported from a lever 3 side where the bearing 10 is mounted, to one direction perpendicular to the axial direction of the shaft 11. As a supporting mechanism executing this method, an energizing means 25 mounted at the lever 3 side and energizing the shaft 11 in the direction perpendicular to the axial direction of the shaft 11 is used. When the shaft 11 is energized in one direction by the energizing means 25, the shaft 11 is held by the energizing means 25 and the bearing 10 from both sides and supported, whereby the rattling is eliminated. A flat spring 26 is used as the energizing means 25.
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