Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Benjamin A. Wiese0
David Lillanthal0
Robert Dane Davis0
Steven K. Hanson0
Brian L. Hammond0
Bruce R. Gillespie0
Cole R. Baird0
Date of Patent
April 7, 2015
0Patent Application Number
136768700
Date Filed
November 14, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An automatic pitch control system for riding power trowels enables a user to control and automatically adjust trowel blade pitch and height for concrete finishing. The disclosed system provides for blade pitch of separate rotor assemblies to be adjusted independently of one another or synchronously. The disclosed system also provides for a mode of operation that allows the user to completely flatten trowel blades for panning.
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