Pivotable bucket with rotatable shredder blade and earth ejector

Claim 1

A bucket pivotable secured to the outer end of an elbow type power boom attached to a carrier vehicle having hydraulic power, said bucket comprising a built in housing with an earth moving mechanism adapted to rotate and a discharge chute on the upper side of the bucket, said chute having an angularly adjustable deflector at the top side, said earth moving mechanism comprising a rotatable wheel-like structure provided with a plurality of equally spaced and outwardly extending earth ejecting blades integral with said wheel-like structure, said blades each being provided with a cutter secured to the radial edge of the blade, the wheel-like structure being mounted on a horizontally disposed power shaft having a shredder blade secured by means of a plurality of shear bolts to a hub mounted on the outer end of the power shaft, the shear bolts protecting the mechanism of the bucket from damage due to obstructions in the earth in which the bucket digs, and a hydraulic motor mounted in the bucket and connected to the shaft by a reduction drive mechanism for rotating the shaft, the front and upper portion of the said bucket being provided with a trapezoidal shaped combination shear blade and compression plate having a sharp lower edge, the said combination shear blade and compression plate forming a compression chamber in the upper portion of the said bucket.