| 摘要 |
The present invention proposes a mounting mechanism where a rotary part can be easily and assuredly mounted to a mounting plate; and the mounting mechanism has a supporting part composed of an annular plate having a circular center hole, and a support cylinder that projects concentrically with the circular center hole on one surface side of the annular plate, and a fixing cylinder that has an inner circumferential surface, which is continuous to the circular center hole on said one surface side of the annular plate, and that projects along the axis line direction to be longer than the support cylinder; the fixing cylinder has a tapered surface whose diameter becomes smaller toward the end on the inner circumference, which is situated further compared to the end of the support cylinder and is divided into three or more along the circumferential direction; the support cylinder is fitted into the circular hole of the rotary part; the fixing cylinder of the supporting part is fitted into the circular fixing hole of the mounting plate; a securing part is fitted into the fixing cylinder and the tapered surface is pressed by its end; and the end of the fixing cylinder is warped outward due to elastic deformation.
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