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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0290911 (1999-04-12) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 19 인용 특허 : 11 |
A worm/worm gear transmission, particularly for use in a helicopter, and which includes an enveloping-type worm gear (3) having less than 24 teeth which are generated by an enveloping thread (1). The angle of one revolution of the thread has more than 15 degree. Different profiles of the worm gear a
[ What is claimed is:] [1.] A worm/worm gear transmission, comprising:an enveloping type worm gear with less than twenty-four teeth each having a tooth surface generated by a profile of an enveloping thread of a worm; andan enveloping worm having at least one screw thread that is engaged by at least
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