| 摘要 |
<p>A miniature electric motor has a rotor supported by oil-impregnated bearings (9,10) fitted to bearing retainers (11,12) respectively on the bottom of the motor housing (1) and an end plate (6) therefor. A plurality of local projections (18) are provided on the inside end face of each retainer (11,12), and the oil-impregnated bearings (9,10) are positioned and held in place by bringing the end faces thereof into contact with the local projections (18). <IMAGE></p> |
