Planting – Drilling and broadcasting
Patent
1977-12-16
1979-05-22
Burr, Edgar S.
Planting
Drilling and broadcasting
111 10, 111 75, 111 81, 172 90, 172184, 172200, 222613, A01C 708
Patent
active
041553152
ABSTRACT:
A mobile spreader of the type drawn by a tractor includes a hopper mounted on a roller. The roller is provided with a jarring strip which imparts a jolt to the hopper on each revolution of the roller. This jolting action prevents bridging of the material in the hopper, knocking the hung-up material down into the lower portion of the hopper where an agitator and an impellor further stir up the material. The cooperative effect of the jarring strip, the agitator and the impellor is to provide a steady supply of material, even when moist material is being distributed. The rate of application of the material is controlled by a slidable apertured plate disposed across an opening in the bottom of the hopper. The spreader may be selectively provided with a rake, a floater plate, and a spiker. The spiker may be attached in front of the roller to open the turf to receive the material, or behind the roller to work the applied material into the turf. In addition, the spiker aerates the turf. The spreader is provided with a set of reverse pickup points as well as the normal pickup points to permit the spreader to be drawn in a backward or forward orientation, respectively, by a tractor. This permits the spreader to be used for applying an unusually wide variety of treatments to the turf.
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Burr Edgar S.
Feyrer James R.
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