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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0885701 (1992-05-19) |
우선권정보 | JP-0142746 (1991-05-20) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 4 인용 특허 : 0 |
A worm speed reducer consisting of a worm made of a relatively hard material such as cast iron or steel and a worm wheel made of a relatively hard material such as cast iron. A material strength is set so that an amount of wear of the worm becomes larger than that of the worm wheel. A tooth surface
A worm speed reducer, comprising: a worm made from a relatively hard material having a material strength such that an amount of wear of said worm becomes larger than an amount of wear of a worm wheel, said worm having a tooth surface formed with a network irregularity extending in both a direction o
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