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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0486583 (1983-04-19) |
우선권정보 | FR-0006644 (1982-04-19) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 15 인용 특허 : 0 |
A device preventing the unscrewing of two bodies (2, 3), and in particular of two lengths of a turbodrill, joined end-to-end in threaded union, said device comprising a blocking part (4) which immobilizes the two bodies by means of teeth. The blocking part (4) is provided with two series of teeth, o
A device preventing the unscrewing of two elongated cylindrical bodies joined end-to-end in threaded union, said device comprising cylindrical rings respectively surrounding the two bodies and means for mounting them non-rotatable thereabout (them), the two facing edges of said rings having regular
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