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. 01, 2011
Filed:
Mar. 06, 2008
Kurt Clarence Adelman, Sauk Rapids, MN (US);
Richard William Wellens, Minneapolis, MN (US);
Michael Thomas Basham, Osseo, MN (US);
Kurt Clarence Adelman, Sauk Rapids, MN (US);
Richard William Wellens, Minneapolis, MN (US);
Michael Thomas Basham, Osseo, MN (US);
Tennant Company, Minneapolis, MN (US);
Abstract
A filter cleaning mechanism for a cylindrical filter within a filter box of a surface maintenance machine having a shaker plate engaging a top end of the filter and having vibrations induced via a motor and eccentric mass combination. In one example, the motor and eccentric mass are mounted to a hinged cover plate via a vibration isolating connection. A pair of slot structures may limit movement of the filter to a generally vertical direction relative to ground.