| 摘要 |
PROBLEM TO BE SOLVED: To provide a crusher which enables the easy and quick replacement of each broken or spent fixed blade or rotary blade, and enables the effective and fine crushing of objects to be crushed by turning a bucket cover to the bottom of a bucket to strongly push the objects to be crushed. SOLUTION: The crusher is provided with: the bucket 20 having an opening part 21 and a discharge part 22 for the objects 50 to be crushed; a rotary drum 11 pivoted on both side walls 24 of the bucket 20; a plurality of fixed blades 13 having angle blade tips which are arranged adjacent to the rotary drum 11; a plurality of rotary blades 12 having angle blade tips which are installed so as to sequentially fit to valley parts 131 of the angle in the fixed blades 13; a pair of brackets 200; a bell crank 321; a link 322; a pair of arms 300; the bucket cover 30; a four-section link gear comprising a cover cylinder 33; and a bucket bottom wall 23 formed in an arc shape so that the tip of the bucket cover 30 close contacts thereto to be turned and fitted in the bucket 20. COPYRIGHT: (C)2007,JPO&INPIT
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