| 摘要 |
PROBLEM TO BE SOLVED: To rigidly couple a warm wheel to an output shaft. SOLUTION: A male serration portion C and a male spigot joint portion A which are tapered (θ) in an axial direction are respectively formed on an outer-periphery surface of the output shaft S. Only a male spigot joint portion A' is formed on an inner-periphery surface of a boss portion WB of the warm wheel W. This facilitates attachment because of no need of considering the direction of an attachment posture of the warm wheel W in attaching the warm wheel W onto the output shaft S. Further, the male serration portion C is tapered in the axial direction, thus acting as a more rigid stopper. COPYRIGHT: (C)2008,JPO&INPIT
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