Patent ID: 8281829
Filing Date: 2012-10-09
Classification: B60C

Abstract:
1. A pneumatic tire having an inner shoulder, an outer shoulder and a tread therebetween, the tread having a central axis and comprising: a plurality of first grooves, each having a first end disposed near the outer shoulder and a second end disposed near the inner shoulder so that each first groove is generally curved and crosses the central axis, the first end being spaced circumferentially from the second end, a plurality of second grooves, each connecting the second end of a first groove to a first end of another first groove, the first and second grooves defining a cascading repetition of tread blocks, and chamfers defined on certain corners of the tread blocks that are adjacent to the first grooves, wherein a circumferential spacing between the first end and the second end of each first groove is greater than a circumferential spacing between first and second ends of the second grooves connecting the first groove and the another first groove.