| 摘要 |
<P>PROBLEM TO BE SOLVED: To fix a bearing plate to a yoke and an end plate using a simple structure. <P>SOLUTION: In a stepping motor, a cylindrical yoke 42 is arranged so as to surround a rotational shaft 21, a plurality of pole teeth 43 are provided around the rotational shaft 21 on an inner periphery of the yoke 42, recesses 44 are formed between the pole teeth, protrusions 63 are provided on an outer periphery of a bearing plate 6, step portions 64 are provided on the yoke side of the protrusions 63 in the outer periphery of the bearing plate 6, the step portions 64 are stored in the recesses 44 formed in the inner periphery of the yoke, a storage portion 71 is formed in an end plate 7, the protrusions 63 of the bearing plate enter the storage portion 71, and fixing the end plate 7 to an end surface of the yoke 42 allows the bearing plate 6 to be fixed to the yoke 42 via the end plate 7. <P>COPYRIGHT: (C)2013,JPO&INPIT |
