| 摘要 |
PROBLEM TO BE SOLVED: To provide a crush drum of a crusher which enhances the crushing performance by improving the biting of the crush blade, in crushing a substance to be crushed such as a thinning lumber, a branch of trees, a standing tree, a stum and the like. SOLUTION: The crush drum (20) which is rotated within a semi-cylindrical or cylindrical receiver (25) is installed to the crusher. In the crush drum (20), the square pillar crushing blade (23) which has an angle in the rotation direction of the drum itself (21) is fixed vertically on the outer peripheral face of the cylindrical drum itself (21). The upper part of the crushing blade (23) is divided by slits (23d) in parallel with the rotation axis line of the drum itself (21), and the split pieces (23e) are bent with each other in the reverse direction. COPYRIGHT: (C)2007,JPO&INPIT
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