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公开(公告)号：US09707991B2
公开(公告)日：2017-07-18
申请号：US14981091
申请日：2015-12-28
发明人： Futoshi Kamimura , Kiyoshi Iwase , Mitsuharu Ozaki , Daiki Yano , Kazuhide Honda , Yasutaka Fukumoto , Osamu Honda , Naoki Fujimoto , Takashi Maeda
摘要： A telescopic shaft includes: an inner shaft where a pair of recessed grooves that face each other in a direction perpendicular to an axis and extend in an axial direction are formed; an outer shaft where a pair of recessed grooves that face each other in the direction perpendicular to the axis and extend in the axial direction are formed; a plurality of rolling bodies that are disposed between each of the recessed grooves and the corresponding recessed groove so as to form a line in the axial direction; a pair of stoppers; and a buffer body unit. Each of the stoppers restricts falling of a rolling body at an end portion of the corresponding line from the corresponding recessed groove of the inner shaft. The buffer body unit integrally includes a pair of buffer bodies, and a connection portion that connects the pair of buffer bodies.
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公开(公告)号：US20160185379A1
公开(公告)日：2016-06-30
申请号：US14979678
申请日：2015-12-28
发明人： Mitsuharu Ozaki , Daiki Yano , Kazuhide Honda , Yasutaka Fukumoto , Osamu Honda
IPC分类号： B62D1/19
CPC分类号： B62D1/20 , B62D1/16 , B62D1/185 , B62D1/192 , F16C3/035 , F16C29/04 , F16C2326/24 , F16D3/065 , F16D2300/22
摘要： A telescopic shaft includes an inner shaft, an outer shaft, a plurality of rolling bodies that are disposed between recessed grooves of the inner shaft and the outer shaft and form a line in an axial direction, a stopper, and a buffer body. The stopper restricts falling of the rolling bodies from the recessed groove of the inner shaft. The buffer body is interposed between the stopper and a rolling body at an end portion of the line. An end surface of the buffer body includes an inclined abutment portion that is inclined with respect to a plane perpendicular to an axis of the inner shaft. The abutment portion abuts against the rolling body at the end portion of the line at a stroke end of the inner shaft with respect to the outer shaft.
摘要翻译： 伸缩轴包括内轴，外轴，设置在内轴和外轴的凹槽之间并沿轴向形成线的多个滚动体，止动件和缓冲体。 止动件限制滚动体从内轴的凹槽中的下落。 缓冲体被插入在该止动件与该线的端部处的滚动体之间。 缓冲体的端面包括相对于垂直于内轴的轴线的平面倾斜的倾斜邻接部分。 在内轴的行程端相对于外轴，邻接部分在线的端部处抵靠着滚动体。
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公开(公告)号：US09630645B2
公开(公告)日：2017-04-25
申请号：US14979678
申请日：2015-12-28
发明人： Mitsuharu Ozaki , Daiki Yano , Kazuhide Honda , Yasutaka Fukumoto , Osamu Honda
CPC分类号： B62D1/20 , B62D1/16 , B62D1/185 , B62D1/192 , F16C3/035 , F16C29/04 , F16C2326/24 , F16D3/065 , F16D2300/22
摘要： A telescopic shaft includes an inner shaft, an outer shaft, a plurality of rolling bodies that are disposed between recessed grooves of the inner shaft and the outer shaft and form a line in an axial direction, a stopper, and a buffer body. The stopper restricts falling of the rolling bodies from the recessed groove of the inner shaft. The buffer body is interposed between the stopper and a rolling body at an end portion of the line. An end surface of the buffer body includes an inclined abutment portion that is inclined with respect to a plane perpendicular to an axis of the inner shaft. The abutment portion abuts against the rolling body at the end portion of the line at a stroke end of the inner shaft with respect to the outer shaft.
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