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公开(公告)号:US20130137060A1
公开(公告)日:2013-05-30
申请号:US13684365
申请日:2012-11-23
申请人: Nakanishi Inc.
发明人: Tetsuya Aida , Yuichi Shibata
IPC分类号: A61C3/02
摘要: A dental handpiece having a reciprocal rotation means for converting a rotary motion to a reciprocating rotating motion is disclosed. The reciprocal rotation means includes a rotary body having input- and output-side guide grooves, input- and output-side semispherical concave surface formed at the ends of input- and output-side shaft part, respectively, of a rotary shaft extending in a grip of the handpiece, and input- and output-side guide pin protruding from the input- and output-side semispherical concave surface, respectively for engagement in the input- and output-side guide grooves, respectively.
摘要翻译: 公开了具有用于将旋转运动转换成往复旋转运动的往复旋转装置的牙科手柄。 往复旋转装置包括具有输入和输出侧引导槽的旋转体,分别形成在输入和输出侧半球形凹面中的输入和输出侧半球形凹表面,该凹面在输入和输出侧轴部分的端部处延伸 手柄的夹持,以及分别从输入侧和输出侧半球形凹表面突出的输入和输出侧引导销分别用于接合在输入和输出侧引导槽中。