| 摘要 |
PROBLEM TO BE SOLVED: To allow supplying oil to a surface of or various slide parts around a camshaft with an easy configuration. SOLUTION: A hollow camshaft 10 integrally formed by working tube members is provided. The hollow camshaft 10 includes a hollow shaft part 12, cam parts 14 integrally formed with the hollow shaft part 12 to make the inside communicate with the inside of the hollow shaft part 12, and oil holes 18 formed in at least one of the hollow shaft part 12 and the cam parts 14. COPYRIGHT: (C)2011,JPO&INPIT
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