| 摘要 |
<p>A brush cleaning device is provided to prevent damage to a brush axle and a radial bearing supporting one end of the brush axle to rotate. A brush cleaning apparatus comprises a radial bearing supporting one end of a brush axle; a rotating drive source rotating the brush axle, connected to one end of a brush axle supporting with the radial bearing to rotate; and a pair of supportive rollers, whose surface is formed like convex type curve, supporting, through the curved surface, the surface of the other end of the brush axle to rotate.</p> |
