| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a cleaning equipment of a photosensor which does not prevent accurate sensing operation of the photosensor. <P>SOLUTION: A cleaning equipment 22 comprises a blushing means 23 that cleans the optical surface of a photosensor 20 which controls operation of a drive source 15 for raising/lowering a moving body 12. After the moving body 12 reaches a prescribed lowering position where the photosensor 20 completes its sensing operation, the brushing means 23 acts to clean the optical surface of the photosensor 20. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
