发明名称 Manual impact stake driving apparatus
摘要 The disclosure relates to an improved manual impact apparatus for driving a stake of the type having a head at one end thereof, which apparatus is characterized by a slidable sleeve having oppositely disposed and facing impact stops therein to confine the stake head therebetween during driving or pulling, whereby the stake may be longitudinally propelled in response to impact between one of the impact stops and the stake head.
申请公布号 US4101088(A) 申请公布日期 1978.07.18
申请号 US19760726527 申请日期 1976.09.27
申请人 STAUTH, TOMMY E. 发明人 STAUTH, TOMMY E.
分类号 E04H17/26;(IPC1-7):B65H75/34;B65H75/28;B25D1/04 主分类号 E04H17/26
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