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. 22, 2016
Filed:
Feb. 14, 2013
Applicant:
Tennant Company, Minneapolis, MN (US);
Inventors:
Kevin L. Shinler, Minnetonka, MN (US);
Richard W. Wellens, Plymouth, MN (US);
Assignee:
Tennant Company, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 11/28 (2006.01); A47L 11/24 (2006.01); A47L 11/29 (2006.01); A47L 11/40 (2006.01);
U.S. Cl.
CPC ...
A47L 11/24 (2013.01); A47L 11/28 (2013.01); A47L 11/29 (2013.01); A47L 11/4038 (2013.01); A47L 11/4055 (2013.01);
Abstract
A surface maintenance vehicle with a compact side brush assembly. The side brush assembly includes a brush deck, a parallel linkage assembly, a swing arm, and an actuator assembly. The brush deck carries a floor-engaging brush. The parallel linkage assembly permits pivoting of the brush deck about a lift axis to raise and lower the brush deck. The swing arm is adapted to rotates to swing the brush deck towards and away from the floor surface maintenance machine. The actuator assembly includes a linear actuator and a slip link.