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2. 发明授权

US5065792A Coupling mechanisms for rotary fluid cylinders 失效
标题翻译：旋转液压缸连接机构
公开(公告)号：US5065792A
公开(公告)日：1991-11-19
申请号：US595264
申请日：1990-10-09
申请人： Koziro Ohta , Yoshihito Kurogi , Yasuo Suzuki
发明人： Koziro Ohta , Yoshihito Kurogi , Yasuo Suzuki
IPC分类号： B23B31/30
CPC分类号： B23B31/302 , Y10T137/86268 , Y10T137/86276
摘要： A coupling mechanism for a rotary fluid cylinder which comprises a rotary member and a fluid feeding member concentrically mounted on said rotary member, at least one fluid passage being formed for supplying fluid from the fluid feeding member to the rotary member even while the rotary member is rotating. The coupling mechanism comprises a pair of rolling bearings interposed between the fluid feeding member and the rotary member at the respective extreme ends of the fluid feeding member so as to allow relative rotation of the rotary member with respect to the fluid feeding member. A biasing member for applying a predetermined pre-load to the respective rolling bearing is provided. The applied pre-load acts on the rolling bearings in such a manner that the rolling bearings are biased to move away from each other in their axial direction.
摘要翻译：一种用于旋转液体缸的联接机构，其包括旋转构件和同心地安装在所述旋转构件上的流体供给构件，至少一个流体通道被形成用于将流体从流体供给构件供应到旋转构件，即使在旋转构件是旋转。联接机构包括一对滚动轴承，其在流体供给部件的相应末端处插入在流体供给部件和旋转部件之间，以允许旋转部件相对于流体供给部件相对旋转。提供了用于将预定的预载荷施加到相应的滚动轴承的偏置构件。所施加的预载荷以这样的方式作用在滚动轴承上，使得滚动轴承被偏压以在轴向方向上彼此远离。

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