CUTTING MACHINE FOR BRUSH

PURPOSE: To remove a brush without being after-mentioned solid-state matter, a rock, etc., by pivotally supporting a hammer to a hammer axis in the state of being rotatable in the pocket of a drum so as to hold the hammer at the outer side of the radius of the drum by the rotation of the drum. CONSTITUTION: A drum 21 is arranged in the casing 20 of a brush cutting head supported by a joint connecting type crane to be rotatable by a motor. The hammer 22 is arranged in the hammer pocket 33 of the drum by the hammer axis to be rotatable to hold the hammer outside the radius of the drum by centrifugal force by the rotation of the drum. Each hammer pocket is closed by hemicycle rear wall 34 and the drum has the internal part reinforced by an internal part plate 36 welded at the inner wall and the rear wall 34 of the drum.