| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fastening structure of a rotary body and a rotary shaft for further effectively preventing looseness of a threadedly engaging fastening part more than a patent document 1. <P>SOLUTION: A female screw formed in a boss part of the rotary body threadedly engages with a male screw formed in a rotary shaft tip part. The female screw formed in the rotary shaft tip part threadedly engages a bolt, and a seat surface of a bolt head part abuts on a boss part end surface of the rotary body. The advancing direction of the male screw formed in the rotary shaft tip part is set inverse to the advancing direction of the male screw formed on the bolt. <P>COPYRIGHT: (C)2007,JPO&INPIT |
