Tire with asymmetric tread profile
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United States of America Patent
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-
Jun 12, 2012
Grant Date -
Jul 8, 2010
app pub date -
Jan 8, 2009
filing date -
Jan 8, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A tire includes a tread profile and a plurality of ribs extending across the tread profile. Each rib includes a first portion and a second portion on two sides of the center axis of the tread profile. The first portion includes a first section which has a constant height. The length of the first section is “L1”. A first shoulder is connected between the first section and the outer side of the tire by a first radius. “R1”. The second portion includes a second section which has the same constant height as the first section. The length of the second section is “L2”. A second shoulder is connected between the second section and the inner side of the tire by a second radius “R1”. A ratio of the “L1” to the “L2” is 1.1 to 1.4, and a ratio of the “R1” to “R2” is 0.5 to 0.9.
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