| 摘要 |
PROBLEM TO BE SOLVED: To secure sealing property by a sealing material by suppressing generation of a sink mark in an inner surface of a groove part when molding, in the case of fitting the sealing material to the groove part formed at an attaching part of a case. SOLUTION: The attaching part 14 is arranged at an end part of a cylindrical part 12 of the case. The groove part 15 is arranged around an opening of an oil outflow hole 13 in an attaching surface 14a of the attaching part 14. The sealing material 30 is fit in the groove part 15. The groove part 15 is positioned radially outside of a wall part structuring the cylindrical part 12. COPYRIGHT: (C)2009,JPO&INPIT
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