发明名称 Combined chute and variable rate control assembly for a broadcast spreader
摘要 Improved control over the distribution pattern and the amount of fertilizer, grass seed or the like dispensed by a broadcast spreader is accomplished by mounting a variable rate control device in a material directing chute secured below a basin wall of a hopper. A web or ramp portion of the chute is spaced below a discharge port in the hopper, and the rate control device is rotatably mounted in a housing formed in the rear of the chute to engage a shutter that is slidably mounted under the discharge port.
申请公布号 US4588133(A) 申请公布日期 1986.05.13
申请号 US19840631886 申请日期 1984.07.18
申请人 WHITE CASTLE SYSTEM, INC. 发明人 BRABB, JAMES D.;SIMPSON, DENNIS L.
分类号 A01C7/16;A01C15/02;A01C17/00;(IPC1-7):B65D47/28 主分类号 A01C7/16
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