| 摘要 |
<p>A nozzle (1) for industrial vacuum cleaners consisting of a casing, the intake opening of which embraces a pivoted part (5). Journalled in the pivoted part is a rotatable shaft (8) on which a number of disintegrating elements (10) are mounted. A number of fixed knives (11) are arranged behind and in the spaces between the disintegrating elements (10) in the intake opening. The rotatable shaft (8) is driven by a reversible motor (9). </p> |
