发明名称 Farm tractor
摘要 A farm tractor with a high center frame between the front and rear axles to permit ASAE categoried three point implement hitches or the like to be located in the middle and rear of the tractor combined with four wheel, front and rear steering (auto type) to maintain the orientation of tractor body parallel to its direction of travel for accurate intercropping mounted implement tool tracking on hillsides slopes and to permit the tractor to be zigzagged laterally over the center of the center mounted implements.
申请公布号 US4611683(A) 申请公布日期 1986.09.16
申请号 US19830556561 申请日期 1983.11.30
申请人 HILMER, ELWYN P. 发明人 HILMER, ELWYN P.
分类号 B62D7/15;B62D49/06;(IPC1-7):B62D61/12;B62K13/00 主分类号 B62D7/15
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