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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0408911 (1989-09-18) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 22 인용 특허 : 1 |
Slide hammer apparatus including means for restraining and non-rotatively driving and pulling fence posts. A handled, hammer section mounts in concentric, sliding relation to a main body which surrounds a fence post and contains upper and lower stops. At least one stop includes an adjustable clamp m
Fence post insertion and extraction apparatus comprising: (a) a first elongated tubular member having a bore shaped to receive a fence post including first and second stop means fixedly secured to said first member; (b) hammer means slideably coupled to said first member and operable between said fi
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