BEARING STRUCTURE FOR MOTOR AND MOTOR USING THE BEARING STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide a bearing structure with a comparatively simple configuration, which enables a lubricant to be additionally supplied to a bearing and enables the bearing life to be kept over an extended time period.;SOLUTION: A bearing structure for a motor includes: an oil-impregnated sintered bearing 6, which is made of sintered metal, retains a lubricant in an inner hole, and pivotally supports a rotational shaft 4; and an oil-retaining member 9 which is ring-shaped and disposed so as to contact an outer periphery of the bearing 6.;COPYRIGHT: (C)2013,JPO&INPIT