Auto pitch control power trowel
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United States of America Patent
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Apr 7, 2015
Grant Date -
May 23, 2013
app pub date -
Nov 14, 2012
filing date -
Nov 18, 2011
priority date (Note) -
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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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