Implement combinations

Claim 1

An implement combination comprising a frame movable over the ground and a soil working member rotatably mounted on a shaft supported by said frame, said member being rotatable about an axis defined by said shaft, and said shaft extending horizontally and transverse to the direction of travel, driving means connected to rotate said member forwardly through the soil in the normal direction of travel, a screening hood pivoted to the frame and extending rearwardly over said member to a rear curved portion that rides along the ground and performs a smoothening effect on the ground surface, ground-driven roller means mounted on said frame and positioned to the rear of said hood, a material-dispensing device comprising a hopper in communication with downwardly extending outlet means with openings located in advance of said roller means, said openings being located adjacent and below said curved portion on the rear of said outlet means and the outlet means normally extending below the soil worked by said member to dispense material into the soil during operation, and means for preventing said openings from becoming blocked by soil during the rotation of said soil working member including at least one roller of said roller means journalled to the frame by one-way drive means and said roller being restricted by said one-way drive means to forward movement only with respect to said direction.