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:
Mar. 12, 2019
Filed:
Feb. 27, 2014
Applicant:
Tennant Company, Minneapolis, MN (US);
Inventors:
Leo Jason Baker, Holland, MI (US);
Jeremy Clinton Stoddard, Holland, MI (US);
Steven James Leibrandt, Muskegon, MI (US);
Justin Michael Clark, Hudsonville, MI (US);
Nathan Scott Meyer, Zeeland, MI (US);
Assignee:
Tennant Company, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47L 11/40 (2006.01); A47L 11/283 (2006.01);
U.S. Cl.
CPC ...
A47L 11/4069 (2013.01); A47L 11/283 (2013.01); A47L 11/4038 (2013.01);
Abstract
Embodiments include a cleaning head assembly for a floor surface maintenance machine. The cleaning head assembly can include a hub (or cleaning head housing) and a pad driver, wherein the pad driver attaches to and aligns axially with the hub (or cleaning head housing) in a touch-free manner.