| 摘要 |
A cylindrical brush, turnable about a horizontal axis in a housing, has hollow end portions extending along said axis. An arrangement for adjusting the brush relative to said housing and for removing it therefrom, is mounted in said hollow end portions of the brush. The adjusting arrangement comprises a pair of eccentrics respectively arranged in the hollow end portions of the brush, and having end portions normally arranged in openings in adjacent side walls of said housing.
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