Loader bucket with ejector

Claim 1

An ejector bucket which is portable and self-contained, including as a unit ejector plates and actuating means mountable as a unit on a loader vehicle, comprising a. an open front bucket having a frame-like rear wall with substantial sized openings therein, a bottom wall which has an open area adjacent its rear, and a narrow top wall extending across the bucket adjacent and forwardly of the rear wall between opposite side walls, b. an ejector comprising a pair of flat upper and lower plates hingedly connected together, the upper of the plates being hingedly connected to the forward edge of the top wall, said plates when in retracted position covering the openings in the rear wall and bottom, and the lower plate in said retracted position being in load carrying position, said plates being movable into a single plane load pushing position wherein the lower ejector plate bears on the bottom of the bucket, and material collected between said ejector plates and bucket walls passes out through the openings in said rear and bottom walls, and c. a single piston ejector-actuating mechanism which is engine activated and includes an ejector actuating cylinder having its front portion pivotally connected to the frame-like rear wall of the bucket, extending through the open area of the rear wall and pivotally connected to the said upper ejector plate on its rear surface for moving said ejector plates into a single plane self-cleaning load discharge position wherein the forward face of the ejector plates is free of load engaging projections, d. said ejector-bucket unit being mountable on a loader and readily demountable by means independent of the single piston ejector-actuating mechanism.