| 摘要 |
PROBLEM TO BE SOLVED: To provide a motor with a reduction gear, capable of reduction in motor noise and weight, and of coping with large torques. SOLUTION: This motor is provided with counter gears 18, 19 having resin large-diameter tooth parts 18b, 19b which are rotatably supported at a gear case and engaged with warms 10a, 10b of an armature shaft 9 and having metallic small-diameter tooth parts 18c, 19c engaged with a wheel gear 20, and a wheel gear 20, and having a metallic tooth part 20b engaged with the small-diameter tooth parts 18c, 19c of the counter gears 18, 19 and having a resin part supported rotatably at the gear case 8.
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