Automatically displaceable sucking and/or sweeping device for use in household for cleaning floor, has projection element extending over one third or more than one third of device overall height, where projection element contacts obstacles

摘要

The device (1) has a rigid housing made of hard plastic, and a flexibly changeable projection element (5) partly surrounding the housing. The projection element contacts obstacles during process of the device. The housing has a circular outline, and the projection element externally retrofits the housing to the circular outline. The projection element exhibits a closed projection element surface that is adjacent to a housing surface. The projection element extends over one third or more than one third of overall height of the device. The projection element is made of a foam material.