| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bucket tooth capable of securing breaking strength of a bush and the bucket tooth in such a well-balanced manner. <P>SOLUTION: For a tooth 2, when a hole inner dimension of a through-hole 2a, which is formed at a sidewall part 2b and is made to pass through to a cavity part V1 and to which an attachment pin unit 11 for fixation and bushes 14a and 14b are inserted, is defined as A, an inner dimension in a vertical direction of the cavity part V1 in the vertical direction including a center of the through-hole 2a in a side view is defined as B, an inner dimension in a width direction of the cavity part V1 including the through-hole 2a in a top view is defined as C, and the maximum width dimension of a pair of sidewall parts 2b at a position including the through-hole 2a in the top view is defined as D, A, B, C and D satisfy the relational expression: 0.61≤A/B≤0.73, 1.62≤D/C≤1.92. <P>COPYRIGHT: (C)2013,JPO&INPIT |
