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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0166060 (1980-07-07) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 9 인용 특허 : 4 |
A lock for holding a boom in a storage position on a boom support is disclosed herein. The lock consists of a first member or vertical pin that is carried by the boom support, a second member or locking ring that is pivoted on the boom about a horizontal axis and that has an opening for receiving th
In an earthworking machine having a boom pivoted on a frame about a horizontal pivot axis between raised and lowered positions by a first fluid ram joining said frame and said boom; a material handling implement pivoted intermediate its ends on the other free end of said boom about a horizontal pivo
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