Off-road tire tread having strake and chamfer structure
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United States of America Patent
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Oct 9, 2012
Grant Date -
Apr 30, 2009
app pub date -
Oct 15, 2008
filing date -
Oct 25, 2007
priority date (Note) -
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Abstract
A pneumatic tire (10) has an inner shoulder (11), an outer shoulder (12) and a tread (13) therebetween. The tread has a central axis (A) and includes a plurality of first grooves (14). Each first groove has a first end (15) disposed near the outer shoulder and a second end (17) disposed near the inner shoulder so that each first groove crosses the central axis. The first end is spaced circumferentially from the second end. A plurality of second grooves (16) is provided with each second groove connecting the second end of a first groove to a first end of another first groove. The first and second grooves define a cascading repetition of tread blocks (18). Chamfers (20) are defined on certain corners of the tread blocks that are adjacent to the first grooves.
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