Patent ID: 8813307
Filing Date: 2014-08-26
Classification: A47L,B01D

Abstract:
1. A vacuum cleaner comprising: a housing; at least one filter element for separating out particles picked up and transported in an air stream; a holder for holding the at least one filter element on or in the housing, the at least one filter element having at least one holding section, the holder having a contact surface and a holding surface, the holding section of the filter element coming to rest between the contact surface and the holding surface when the filter element is in an installed state, at least one of the contact surface and the holding surface being provided with at least one defined irregularity formed by at least one elevation, the at least one elevation includes at least one rib, individual sections of the contact surface each having a lengthwise extension running along an inner opening of the housing section, and the rib is oriented along a lengthwise extension of the contact surface.