| 摘要 |
PROBLEM TO BE SOLVED: To eliminate attaching of a fastening and fixing member to a gear housing. SOLUTION: A yoke 21 is formed into a bottomed cylindrical shape opened at one end, having a magnet 22 attached to the inner circumferential surface. The inner wall of the yoke 21 is folded-back at the opening end to form a folded-back portion 21a to be overlapped on a magnet attaching portion 21b. A notched potion 21c, extending in the axial direction in the portion corresponding to the width direction center portion of the magnet 22, is formed at the folded-back portion 21a. A tongue piece 21d cut and raised at one end of the notched portion 21c for being fastened and fixed to a gear housing 51 is formed at the folded-back portion 21a. COPYRIGHT: (C)2008,JPO&INPIT
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