Spreading device for effecting a uniform distribution of materia

Details Spreading device for effecting a uniform distribution of materia Spreading device for effecting a uniform distribution of materia

1979-02-23

1983-04-26

Saifer, Robert W.

Fluid sprinkling, spraying, and diffusing

Container for non-fluid material, and scattering means

Including means varying scatter pattern of rotating scatterer

239661, 239687, A01C 1700

Patent

active

043810802

ABSTRACT:
An agricultural device for spreading granular or powdery material or both, particularly fertilizer, which has at least one distribution member that rotates about a vertical axis. A hopper has a dosing member which is disposed over the distribution member at its axis for feeding material to be spread around such axis whereby it is thrown from the distribution member by centrifugal force. At least one screen plate for deflecting the material so thrown is spaced outwardly from the circumference of the distribution member and is entirely located on one side of a plane which passes through the axis of the distribution member and is disposed at a right angle to the intended direction of operative travel of the device. The screening plate deflects the material impinging thereon vertically downwardly whereby the desired uniform characteristics are achieved in the distribution pattern of the material being spread. The screen plate may either lead or trail its associated distribution member relative to the operative travel of the device. Two screen plates may be utilized on both sides of the distribution member whereby one leads and the other trails same.

REFERENCES:
patent: Re14804 (1920-02-01), Holden
patent: 788911 (1905-05-01), Jones
patent: 1508210 (1924-09-01), Bangert
patent: 2281212 (1942-04-01), Stoltzfus
patent: 2594084 (1952-04-01), Skibbe et al.
patent: 2886334 (1959-05-01), Presler
patent: 3559894 (1971-02-01), Murray et al.
patent: 3682395 (1972-08-01), van der Lely et al.
patent: 3790090 (1974-02-01), Lurenc et al.
patent: 3819120 (1974-06-01), Walker
patent: 4032074 (1977-06-01), Amerine
patent: 4081142 (1978-03-01), Harderup
patent: 4169559 (1979-10-01), McKee
"The Multi-Spread Process"; The Multi-Spread Co., 2104 North Grande Ave., Spencer, Iowa.

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