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1. 发明授权

US4886155A 90 degrees turning device with means for constant angular velocity 失效
标题翻译： 90度转向装置，具有恒定角速度的装置
公开(公告)号：US4886155A
公开(公告)日：1989-12-12
申请号：US230087
申请日：1988-08-09
申请人： Keiji Toyonaga , Ichiro Ueno
发明人： Keiji Toyonaga , Ichiro Ueno
IPC分类号： B65G47/24 , B65G47/244
CPC分类号： B65G47/244
摘要： A turning device including a moving member movable along a linear path, and a turning member which is pivotable through an angle of 90 degrees about an axis perpendicular to the linear path during movement of the turning member along the linear path. A first and a second cam follower are provided on respective first and second surfaces of the turning member. A first cam provided on the second surface of the turning member has a first straight cam surface inclined to the linear path and engageable with the first cam follower, while a second cam spaced apart from the first cam in a direction parallel to the axis of of the turning member has a second straight cam surface engageable with the second cam follower. The second cam surface is inclined to the linear path such that the second cam follower is moved perpendicularly to the linear path in the same direction as the first cam follower as the moving member is moved. The first and second cams are positioned such that an engaging action between the second cam follower and the second cam surface is initiated when an engaging action between the first cam follower and the first cam surface is terminated. Either the axis of rotation of the turning member of the first and second cam followers always lead the other, while the moving member is moved along the linear path.
摘要翻译：一种转动装置，包括沿着线性路径移动的移动部件，以及转动部件，其沿着所述线性路径移动所述转动部件时能够绕垂直于所述线性路径的轴线以90度的角度旋转。第一和第二凸轮从动件设置在转动构件的相应的第一和第二表面上。设置在转动构件的第二表面上的第一凸轮具有与线性路径倾斜并可与第一凸轮从动件接合的第一直线凸轮表面，而与第一凸轮在与第一凸轮的轴线平行的方向上与第一凸轮间隔开的第二凸轮转动构件具有可与第二凸轮从动件接合的第二直线凸轮表面。第二凸轮表面相对于线性路径倾斜，使得当移动构件移动时，第二凸轮从动件在与第一凸轮从动件相同的方向上垂直于线性路径移动。第一和第二凸轮被定位成使得当第一凸轮从动件和第一凸轮表面之间的接合动作终止时，第二凸轮从动件和第二凸轮表面之间的接合动作被起动。当移动构件沿线性路径移动时，第一和第二凸轮从动件的转动构件的旋转轴总是引导另一个。

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