| 摘要 |
PROBLEM TO BE SOLVED: To relieve the force acting on the engaging surfaces of a worm gear with a worm wheel gear driven by the motor and avoid a gear lock. SOLUTION: The motor driving device 1 is constituted that the shock force generating in the engaging surfaces 19 of the worm gear 4 and the worm wheel gear 3 is relieved and the generation of the gear lock is avoided by an energizing means 28 having the relieving function using a sleeve 24 and a spring 25. COPYRIGHT: (C)2004,JPO
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