The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 24, 2020
Filed:
Apr. 21, 2016
Applicant:
Carl Freudenberg KG, Weinheim, DE;
Inventors:
Norbert Weis, Weinheim, DE;
Daniel Baumgart, Worms, DE;
Assignee:
CARL FREUDENBERG KG, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 11/40 (2006.01); A47L 11/282 (2006.01); A47L 11/22 (2006.01); A47L 11/24 (2006.01);
U.S. Cl.
CPC ...
A47L 11/4041 (2013.01); A47L 11/22 (2013.01); A47L 11/24 (2013.01); A47L 11/282 (2013.01);
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.