| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a motor-driven disk brake capable of conducting easily the inner surface processing of a casing and mounting of an inner toothed gear member while generation of a trochoid interference of a speed reducing mechanism is precluded. <P>SOLUTION: A hollow eccentric shaft 26 is formed rigidly on the rotor 18 of a motor 9, and at the periphery of the eccentric shaft 26, an outer toothed gear member 27 in cylindrical shape is mounted rotatably. An inner toothed gear member 32 is fitted fast in a motor casing 10, and is furnished at its inside surface with fixed inner teeth 31 to mesh with the input side outer teeth 29 of the outer toothed gear member 27 and a rotor bearing mounting part 33 where a bearing 17 of the rotor 18 is mounted. Forming the fixed inner teeth 31 and the rotor bearing mounting part 33 rigidly on the inner toothed gear member 32 facilitates alignment of the rotary shaft of the rotor 18 with the fixed inner teeth 31 of the inner toothed gear member 32. Accordingly when the outer toothed gear member 27 is revolving, variation of the distance between the centers of the outer toothed gear member and the fixed inner teeth 31 lessens to lead to less likelihood of generation of a trochoid interference. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
