Pneumatic tire
OwnerTakayuki Suzukiinventor
Life of this patent
Estimating the term…
Abstract
A pneumatic tire includes a plurality of grooves formed on a tread portion and a plurality of blocks divided by the grooves. A ratio of a block facing length c to a width b of the groove c/b is in a range of 0.50≦c/b≦1.30, where the block facing length c is a length of a shorter line segment obtained by selecting a pair of blocks adjacent to each other across a groove, drawing perpendicular lines from two vertices of one block on a side of a sandwiched groove to other block, respectively, connecting ends of the perpendicular lines by a line segment along an outer circumference of the block, and comparing a length of the line segment between the blocks.
Claims17
1-10. (canceled)
A pneumatic tire comprising:
- a plurality of grooves formed on a tread portion;
- and
- a plurality of blocks divided by the grooves, wherein
- a ratio of a block facing length c to a width b of the groove c/b is in a range of 0.50≦c/b≦1.30, where the block facing length c is a length of a shorter line segment obtained by selecting a pair of blocks adjacent to each other across a groove from a plan view of the tread portion, drawing perpendicular lines from two vertices of one block on a side of a sandwiched groove to other block across the sandwiched groove, respectively, connecting ends of the perpendicular lines by a line segment along an outer circumference of the block, and comparing a length of the line segment between the blocks.
A pneumatic tire comprising:
- a plurality of grooves formed on a tread portion;
- and
- a plurality of blocks divided by the grooves, wherein
- a ratio of a block facing length c to a depth a of the groove c/a is in a range of 0.40≦c/a≦0.85, where the block facing length c is a length of a shorter line segment obtained by selecting a pair of blocks adjacent to each other across a groove from a plan view of the tread portion, drawing perpendicular lines from two vertices of one block on a side of a sandwiched groove to other block across the sandwiched groove, respectively, connecting ends of the perpendicular lines by a line segment along an outer circumference of the block, and comparing a length of the line segment between the blocks.
Dependencies are inferred from the claim text.