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2. 发明授权

US4667081A Apparatus for changing the direction of a light beam passing through an articulated joint 失效
标题翻译：用于改变通过铰接接头的光束的方向的装置
公开(公告)号：US4667081A
公开(公告)日：1987-05-19
申请号：US697998
申请日：1985-02-04
申请人： Paul S. Turin , Georg Teslawski , Dexter C. Tight, Jr.
发明人： Paul S. Turin , Georg Teslawski , Dexter C. Tight, Jr.
IPC分类号： B23K26/08 , B23K26/10 , B25J9/10 , B25J17/02 , B25J19/00 , B23K26/02
CPC分类号： B23K26/0884 , B25J17/0241 , B25J19/0037 , B25J9/102 , B23K2201/006
摘要： An articulated joint of changing the direction of a light beam passing through the joint has an inlet for the incoming light beam, an outlet for the outgoing light beam, two turning mirrors and three precision bearing units associated with the turning mirrors for permitting rotation of the mirrors with a minimum amount of error of angular displacement of the redirected beam. An apparatus providing movement of at least a portion of a beam delivery system and directing an outlet beam to a desired location includes the articulated joint, a motion delivery device operatively associated with the joint and connecting means disposed between the joint and the motion delivery device. The connecting means are adapted to provide relative motion between an attachment of the connecting means to the joint and an attachment of the connecting means to the motion delivery device. The precision bearings are associated with the turning mirrors and the outlet so as to decouple the articulated joint from the axis of the actuator mechanism, such as, for example, a robot arm. The precision bearing units incorporate two tapered roller bearings opposed to each other. Each tapered roller bearing has an inner race and an outer race. A preload arrangement preloads the bearings by exerting a force on the inner races which tends to squeeze the inner races together and by exerting a force on the outer races which tends to push the inner races apart.
摘要翻译：改变通过接头的光束的方向的铰接接头具有用于入射光束的入口，用于出射光束的出口，两个转向镜和与转向镜相关联的三个精密轴承单元，用于允许旋转反射镜具有重定向光束的角位移的最小误差量。提供梁输送系统的至少一部分的运动并将出射梁引导到期望位置的装置包括铰接接头，与接头可操作地相关联的运动传递装置以及设置在接头和运动传送装置之间的连接装置。连接装置适于提供连接装置的附件与接头之间的相对运动以及连接装置与运动传送装置的连接。精密轴承与转向镜和出口相关联，以便将铰接接头与诸如机器人手臂的致动器机构的轴线分离。精密轴承单元包含两个彼此相对的圆锥滚子轴承。每个圆锥滚子轴承具有内圈和外座圈。预加载装置通过在内圈上施加力来预先加载轴承，该内圈倾向于将内圈挤压在一起，并且通过在倾向于将内圈推开的外圈上施加力。

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