| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a power transmitting device capable of inhibiting deformation in machining. <P>SOLUTION: A spiral gear 10 as a rotating member comprises a disc portion 12 extended to a radial outer side from a boss portion 11, and a through-hole 122 as a slit-shaped hole is formed on the disc portion 12 by laser beam machining. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
