| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric motor with a built-in reduction gear that does not have backlash. SOLUTION: The electric motor having the built-in reduction gear having an electric motor and a reduction gear comprises an internal gear 3 for deceleration provided in a stator 16 of the electric motor; an external gear 4 for deceleration provided outside a rotor 30 having an axial center 2 eccentric to the axial center 1 of the stator 16; and an output axis 5 connected to one side of the rotors 30 through a coupling 23 for absorbing eccentricity. COPYRIGHT: (C)2008,JPO&INPIT
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