To provide a crusher capable of certainly and directly sending a bamboo material with branches to a crushing part by a conveyor.

The crusher (A) is used for crushing a bamboo material or wood and includes a chassis (1), the crushing part (3) for crushing the bamboo material or wood, a material feed part (2) for feeding the bamboo material or wood to the crushing part (3) and a discharge part (4) for discharging the material crushed in the crushing part (3) to the outside. The material feed part (2) has the feed conveyor (20) communicating with the crushing part (3) and also has a feed rotor (21) which is constituted so that the upper end of the rotary locus is made higher than the feed surface of the feed conveyor (20), behind the feed conveyor (20) or on the way of the process of the material feed part (2).

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