<p>The device (1) has a friction surface provided at a lower side (27) of a housing (3) for releasing dirt particles from a subsurface. A suction opening (24) is provided at the lower side of the housing, and the released dirt particles are absorbed in the housing through the suction opening. An energy storage and a driven suction blower (7) are arranged in the housing. Annular discharge ports (14) are provided at the housing. Lamellas (25) made of a flexible material are provided at the friction surface. A filter (22) is arranged between a receiving chamber (28) and the suction blower.</p>
