Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Thomas Basham0
Richard William Wellens0
Kurt Clarence Adelman0
Date of Patent
March 1, 2011
Patent Application Number
12043932
Date Filed
March 6, 2008
Patent Primary Examiner
Patent 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.
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