| 摘要 |
Rotary brush on an axle driven for rotation in a cleansing machine, wherein several disc-shaped brushes are supported on the axle in side by side relation so that the axle runs through the center of the brushes. Each brush comprises an annular hub, from where brush-threads are extended radially in doubled layers. A number of evenly spaced projections are formed in opposing positions on each side of the annular hub, so that the periphery of each brush runs in two wave-shaped or zig-zag-formed lines that shift direction to diverge and to meet in a regular pattern. Mating connection means are formed on the projections, so that adjacent brushes may be non-rotationally coupled together to form a rotationally rigid package of brushes, supported side by side on the axle.
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