Device for creating a trench in a ground surface
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United States of America Patent
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Sep 10, 2013
Grant Date -
Jun 7, 2012
app pub date -
Dec 6, 2010
filing date -
Dec 6, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A device for creating a trench in a ground surface includes a frame, an axle and a platform. A wheel is mounted to the axle and a motor is mounted to the platform. The motor is configured to rotate a drive shaft. A primary blade is removably mountable to the drive shaft. The primary blade has a first radius measured from a geometric center of the primary hub to a free end of a largest of the at least three primary tines. A second blade is removably mountable to the primary hub. The secondary blade has a second radius measured from a geometric center of the secondary hub to a free end of a largest of the at least three secondary tines. The first radius is greater than the second radius. A blade guard is mounted to the platform and generally covers the primary and secondary blades in an assembled configuration.
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