Patent ID: 7293844

Claim:
A rubber crawler track, comprising: a rubber crawler track main body formed of a rubber elastic body; and core metal pieces embedded in said rubber crawler track at predetermined intervals in a circumferential direction of the rubber crawler track, the core metal pieces having a ground-facing side, wherein a high hardness intermediate rubber layer formed of a high hardness rubber elastic body is provided in said rubber elastic body from below at least the ground-facing side of an end portion of the core metal pieces, in a length direction of said core metal pieces, to outside the end portion of the core metal pieces in a width direction of the rubber crawler track, wherein a first portion of the high hardness intermediate rubber layer lies underneath an end portion of the core metal pieces in a length direction of the core metal pieces, a second portion of the high hardness intermediate rubber layer extends upward from said first portion and outside the end portion in a width direction of the rubber crawler track, and said second portion adjoins said first portion, and wherein an upper portion of said rubber elastic body lies above said high hardness intermediate rubber layer, a lower portion of said rubber elastic body lies below said high hardness intermediate rubber layer, and said high hardness rubber elastic body has higher hardness than both said upper and lower portions of said rubber elastic body.