发明名称 HAY ROLL FORMING MACHINE
摘要 A machine to form compact rolls of hay of substantial size by picking up a swath or windrow of hay and the like from a field, engage it by cooperating upper and lower endless flexible aprons driven in suitable directions to coil the hay into a compact roll while supported upon floor means mounted stationarily in the bottom of the machine to effect baling of all the hay without loss upon the ground. When the roll type bale of hay reaches a predetermined diameter, the upper apron raises to stop driving the same and provide an exit and the lower apron assists in ejecting the bale onto the ground, or the machine can transport it to a desired location for discharge.
申请公布号 US3847073(A) 申请公布日期 1974.11.12
申请号 US19730353948 申请日期 1973.04.24
申请人 SPERRY RAND CORP,US 发明人 HYMAN M,US;MAST A,US;EGGERS E,US
分类号 A01F15/07;(IPC1-7):B30B5/06;B30B9/00;A01D39/00 主分类号 A01F15/07
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