作者: Leers Konrad Dr Ing
DOI:
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摘要: An apparatus for cleaning surfaces, such as roads, runways or the like, comprises a revolving brush which is rotatable about an axis, and also adjusting device distance between axis surface to be cleaned, set desired sweeping level. In order keep level constant even in event of wear brush, there provided sensor measuring diameter, comprising touching element can brought into contact with circumferential brush. The device, it being possible by means controlling via function diameter. For exact maintenance level, has advancing on arranged, distance-measuring acceleration detector. this arrangement, covered determined when perceived