| 摘要 |
A vacuum-cleaning mat (trap) for cleaning footwear includes a flat hermetical container with filler, the upper wall of which is made with openings to allow the filler interacting the sole of the footwear being cleaned. The hermetical container is arranged in a rigid body and made, for example of two isolated sections, the upper and lower ones, divided by a membrane. The lower hermetical section is filled with compressed air with the pressure higher than the atmospheric one. The upper hermetical section is filled with the air with the pressure lower than the atmospheric one, and the filler is made, for example as valve balloons, which are set on the surface of the membrane in such a manner as to allow overlapping the openings of the upper wall of the hermetical container. The hermetical container with the pressure lower than the atmospheric one is connected with a sucking pipe, which is arranged along the wall of the body, provided with a side slot along the entire length and connected with the main pipe by the free end. The pipe is connected with the container of a vacuum cleaner for collecting dirt. |
