发明名称 Adapters for auger drive shaft
摘要 A drive shaft (20) permits driving two different driven shafts, such as those used on powered earth augers, from a single power source, whether the driven shaft has a circular cross section drive coupling, or a hexagonal cross section drive coupling. In one form an adapter (50) can be slipped over a hexagonal shaft to receive a circular cross section drive coupling, and in another form, a shaft is provided with two axially displaced portions. An outer end portion has a hexagonal cross section, and a slightly larger circular cross section shaft portion is positioned adjacent the power unit. <IMAGE>
申请公布号 EP0889196(A3) 申请公布日期 2000.09.20
申请号 EP19980109009 申请日期 1998.05.18
申请人 CLARK EQUIPMENT COMPANY 发明人 BRAATEN, RAE DELL;LARSON, EDWARD A.J.;WATTS, VERNE C.
分类号 E21B3/02;E21B17/03;F16D1/06;(IPC1-7):E21B17/02;E21B17/04 主分类号 E21B3/02
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