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:
Feb. 23, 2010
Filed:
May. 05, 2006
Michael T. Basham, Maple Grove, MN (US);
Warren L. Larson, Maple Grove, MN (US);
Terence A. Peterson, Plymouth, MN (US);
Barbara J. Peterson, Legal Representative, Plymouth, MN (US);
Richard W. Wellens, Plymouth, MN (US);
Mark J. Fleigle, Maple Grove, MN (US);
Michael T. Basham, Maple Grove, MN (US);
Warren L. Larson, Maple Grove, MN (US);
Terence A. Peterson, Plymouth, MN (US);
Barbara J. Peterson, legal representative, Plymouth, MN (US);
Richard W. Wellens, Plymouth, MN (US);
Mark J. Fleigle, Maple Grove, MN (US);
Tennant Company, Minneapolis, MN (US);
Abstract
A cleaning head for use with a floor cleaning machine comprises first and second cleaning tools, at least one motor and a cleaning tool support. The at least one motor is configured to respectively drive rotation of the first and second cleaning tools about first and second horizontal axes. The first and second cleaning tools each have an exterior cleaning surface configured to engage the floor during floor cleaning operations. The cleaning tool support is configured to support the first and second cleaning tools for movement of the first and second horizontal axes relative to each other in a plane that is transverse to the first and second horizontal axes. Another embodiment of the invention is directed to a floor cleaning machine that includes embodiments of the cleaning head.