Lobed bushing for track assembly and track-type machine using same
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United States of America Patent
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Oct 16, 2012
Grant Date -
Jun 10, 2010
app pub date -
Dec 3, 2009
filing date -
Dec 5, 2008
priority date (Note) -
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Abstract
A lobed bushing is provided for a track assembly of a track-type machine. The track assembly includes a first chain and a second chain coupled together with a track pin. A bushing, defining a longitudinal axis, includes a central bore oriented along the longitudinal axis and extending from a first end of the bushing to a second end of the bushing for receiving the track pin. The bushing includes a first lobe positioned at a first location about the longitudinal axis and a second lobe positioned at a second location about the longitudinal axis that is less than about 180° from the first location. The first end of the bushing has a substantially cylindrical shape.
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