公开(公告)号：US20180125321A1

公开(公告)日：2018-05-10

申请号：US15565427

申请日：2016-04-21

Applicant: Carl Freudenberg KG

Inventor： Norbert Weis ,  Daniel Baumgart

IPC: A47L11/40 ,  A47L11/22 ,  A47L11/24

CPC classification number: A47L11/4041 ,  A47L11/22 ,  A47L11/24

Abstract: A cleaning device has a main part and a handle with which an operator can displace the cleaning device on a surface being cleaned, two counter-rotatable rollers being received in the main part such that the rollers come into contact with the floor being cleaned, the rollers being arranged in the main part such that they are only separated by a shared air gap and/or longitudinal gap.