| 摘要 |
PURPOSE:To clean the worn powder sticking to the front end of a spindle by the friction of optical disks and a hub in the case of mounting of the optical disks many times on the spindle. CONSTITUTION:A cleaning means 11, such as sponge, is provided on a hub 2 mounted via a small-diameter gear 3 to the central part in a cartridge case 1 of the cartridge for cleaning. This cleaning means 11 cleans the spindle 10 by coming into contact therewith at the time of mounting the cartridge case 1. A brush 5 is rotated via gears 3, 4 by rotation of the spindle 10, by which an optical lens 6 is cleaned. |
