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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0089473 (1979-10-30) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 21 인용 특허 : 0 |
A frame having a pair of upstanding side members is attached to the three point hitch of a tractor. The frame includes a base which can rest upon the ground adjacent a post to be removed from the ground. A plate is slidably attached for vertical movement along the side members and includes a hydraul
A pulling device comprising, in combination: an upstanding frame, a ground engaging base connected at the bottom of said frame; a plate member slidably connected to said frame for vertical movement along said frame; powered means connected between said frame and said plate member for causing powered
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