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Medical or dental handpiece
专利权人:
Hitoshi Tanaka;Shozo Nakayama
发明人:
Hitoshi Tanaka,Shozo Nakayama
申请号:
US13083336
公开号:
US09510917B2
申请日:
2011.04.08
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A medical or dental handpiece has a grip 3. The grip 3 includes first to third rotation shafts 101, 201, and 301. The first and second shafts are connected through a first gear mechanism 1000 and the second and third shafts are connected through a second gear mechanism 2000 so that a rotation is transmitted from the first shaft through the first gear mechanism to the second shaft and then from the second shaft through the second gear mechanism to the third shaft. The first or second gear mechanism has an internal gear secured on shaft and an external gear secured on the other shaft, the internal and the external gears being engaged with each other. The external gear is substantially enclosed within a cylindrical plane 1001, 2001 extending along a peripheral edge of the internal gear.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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