Roller assembly
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United States of America Patent
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Aug 16, 2011
Grant Date -
Sep 24, 2009
app pub date -
May 1, 2009
filing date -
Nov 1, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A roller assembly adapted to follow ground contours during operation which includes a pair of roller components each having respective inner ends connected to each other by a flexible and movable primary coupling and having their respective outer ends connected to a support shaft which extends through a hollow interior of each roller component by a secondary coupling.
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