| 摘要 |
<p>A vacuum cleaner, especially for industrial applications, has an extending collecting chamber (2) mounted inside a telescopic support frame and topped by a motor unit and suction blower, as well as connections to a suction hose. The collecting chamber is made from flexible non pervious material which folds down onto the wheeled support base when stored and which is clipped to the base for removal for cleaning.</p> |
