PNEUMATIC TIRE USED IN MOTORCYCLE CROSS-COUNTRY RACE

摘要

A pneumatic tire includes a tire crown area, central area and tire shoulder area on the tire tread, and tire crown pattern blocks, central pattern blocks and tire shoulder pattern blocks disposed in corresponding area of the tire tread, wherein in a pattern pitch of the tire tread, the tire crown pattern blocks comprising big tire crown pattern blocks and small tire crown pattern blocks in equal numbers, they are spaced arranged; the central pattern blocks are symmetrically arranged in two sides of the tire crown pattern blocks, the central pattern blocks in either side are alternately arranged with respect to the tire crown pattern blocks longitudinally, the central pattern blocks in either side are alternately arranged left and right with transverse space laterally; the tire shoulder pattern blocks are symmetrically arranged in two sides of the both sides of the central pattern blocks.

主权项

1. A pneumatic tire used in motorcycle cross-country race, comprising tire crown area, central area and tire shoulder area on the tire tread, and tire crown pattern blocks, central pattern blocks and tire shoulder pattern blocks disposed in corresponding area of the tire tread, wherein in a pattern pitch of the tire tread, the tire crown pattern blocks comprising big tire crown pattern blocks and small tire crown pattern blocks in equal numbers and spaced arranged; the central pattern blocks are symmetrically arranged in two sides of the tire crown pattern blocks, the central pattern blocks in either side are alternately arranged with respect to the tire crown pattern blocks longitudinally, the central pattern blocks in either side are alternately arranged left and right with transverse space laterally; the tire shoulder pattern blocks are symmetrically arranged in two sides of the both sides of the central pattern blocks, the number of either side of the tire shoulder pattern blocks is more than that of either side of central pattern blocks and the tire crown pattern blocks; the land ratio of the central area is smaller than that of the tire crown area and the tire shoulder area; the height of the tire shoulder pattern block is higher that of the tire crown pattern block and that of the central pattern block.