| 摘要 |
<p>A stator, comprising a stator main body and a notch plate assembled on the inner peripheral side of the stator main body rotatably relative to each other and formed integrally with a retainer, wherein a lubricating recessed part is provided in the sliding surface of the stator main body sliding on the notch plate, whereby a sliding wear is suppressed from occurring on the notch plate formed integrally with the retainer even if the retainer is formed integrally with the notch plate so that both the requirements of a reduction in production cost and an assurance of durability of the notch plate can be satisfied.</p> |
