| 摘要 |
<p>A cleaning device (40, 60) includes a web sheet (44), a holding member (41), a reel member (43), a drive device (90), a pressing member (42), and a rotational load-applying device (45, 48, 50, 53). The web sheet (44) slides against and cleans a surface of a cleaning target object (31). The holding member (41) holds the web sheet (44) wound therearound to be reeled out. The reel member (43) has the web sheet (44) wound therearound to be reeled in. The drive device (90) drives the reel member (43) to rotate. The pressing member (42) presses the web sheet (44) against the cleaning target object (31). The rotational load-applying device (45, 48, 50, 53) applies a load to rotation of the holding member (41). The load is changeable depending on an amount of the web sheet (44) held by the holding member (41).</p> |
