| 摘要 |
PCT No. PCT/GB94/02810 Sec. 371 Date Jun. 19, 1996 Sec. 102(e) Date Jun. 19, 1996 PCT Filed Dec. 22, 1994 PCT Pub. No. WO95/17341 PCT Pub. Date Jun. 29, 1995A cleaning device for an endless conveyor of the type comprising an endless belt having an upper conveyor run and a lower return run which are guided over rollers at each end of the conveyor. The cleaning device is arranged to exert a cleaning action on the underside of the return run of the conveyor belt and to be driven directly or indirectly by the linear motion of the conveyor belt and/or from a drive train coupled with the conveyor belt. The cleaning device includes a rotatable brush having its axis of rotation extending below the return run and transversely of the direction of travel of the return run. The brush has cleaning elements extending outwardly of the brush axis and in which the outer ends of the elements are engageable with the underside of the return run upon rotation of the brush. A cradle is located at one end of the brush on which the brush is rotatably mounted. The spacing of the brush axis relative to the underside of the return run can be adjusted. Biasing devices are provided to urge the brush axis towards the underside of the return run to press the outer ends of the cleaning elements into cleaning contact therewith.
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