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2. 发明公开

EP0056688A1 Counterbalance mechanism for incubator hood 失效
标题翻译：培养箱罩的平衡机构
公开(公告)号：EP0056688A1
公开(公告)日：1982-07-28
申请号：EP82300067.4
申请日：1982-01-07
申请人： AIRCO, Inc.
发明人： Mackin, Michael H. , Koch, Robert J. , Carden, Douglas D.
IPC分类号： A61G11/00 , E05F3/18 , E05F5/08
CPC分类号： A61G11/00 , A61G11/006 , A61G11/008
摘要： A counterbalance mechanism is disclosed for offsetting the normal gravitational forces exerted on a rotatable cylindrical hood for an incubator. The mechanism includes a specially shaped cam (80) that is fixed with respect to the rotatable hood. A cam follower (76), mounted on a slide (74) movable with the rotatable hood, is spring biased against the cam. As the rotatable hood is moved to various positions, the spring loading and cam profile coact to produce a counter-rotational force that is opposite and equal to the force of gravity acting upon the hood at any point in its rotation. Detents (108) are provided in the cam at predetermined positions such that the cam follower can be positioned within one of the detents at one or more desired positions of hood rotation such that the hood may be held at that selected position.
摘要翻译：公开了一种抵消机构，用于抵消施加在用于培养箱的可旋转圆柱形罩上的正常重力。该机构包括相对于可旋转罩固定的特殊形状的凸轮（80）。安装在与可旋转罩一起移动的滑块（74）上的凸轮从动件（76）被弹簧偏压在凸轮上。当可旋转罩移动到各个位置时，弹簧加载和凸轮轮廓共同作用以产生与旋转中的任何点处作用在罩上的重力相反且相等的反向旋转力。在凸轮中的预定位置处设置有止动件（108），使得凸轮从动件能够在罩旋转的一个或多个期望位置处定位在止动件中的一个止动件内，使得罩可以保持在该选定位置。

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