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31. 发明授权

US3948605A Diluter for a kinetic analysis apparatus 失效
标题翻译：稀释剂用于动力学分析仪器
公开(公告)号：US3948605A
公开(公告)日：1976-04-06
申请号：US499596
申请日：1974-08-22
申请人： John G. Atwood , Lucien C. Ducret , Charles F. De Mey II
发明人： John G. Atwood , Lucien C. Ducret , Charles F. De Mey II
IPC分类号： G01N1/38 , G01N35/04 , G01N1/14 , G01N1/18
CPC分类号： G01N1/38 , G01N2001/382 , G01N2035/0486
摘要： A diluter for use in a kinetic analysis apparatus for picking up a serum sample from a container and diluting it into a reaction cup in which a diluter probe mounted for vertical translation and horizontal rotational motion is coupled to a sample pump with the sample pump coupled to a diluter pump and wherein the probe is caused to be lowered into a container of serum sample after which said sample pump draws into said probe a measured amount of sample whereupon said probe is raised, rotated and then lowered to a position over a reaction cup; the diluter pump is then operated to discharge said sample along with a measured amount of diluent. Vertical translation and horizontal rotation of the probe is achieved by means of a pair of coaxially disposed cylindrical cam members one of which is fixed and the other rotatable about the common axis. Cut-out portions in the cam members define respective coacting camming surfaces which are engaged by and control the vertical position of a radial probe-supporting arm as it rotates about the common axis between respective limit positions where the probe overlies the sample container and reaction cup.
摘要翻译：用于动力学分析装置的稀释器，用于从容器中取出血清样品并将其稀释成反应杯，其中安装用于垂直平移和水平旋转运动的稀释器探针与样品泵耦合到样品泵，所述样品泵耦合到稀释泵，并且其中使探针降低到血清样品的容器中，之后所述样品泵将测量量的样品吸入所述探针中，随后所述探针升高，旋转然后降低到反应杯上方的位置; 然后操作稀释泵以排出所述样品以及测量量的稀释剂。探头的垂直平移和水平旋转是通过一对同轴设置的圆柱形凸轮构件实现的，其中一个固定，另一个可绕公共轴旋转。凸轮构件中的切口部分限定了相应的共同作用的凸轮表面，它们与径向探针支撑臂的垂直位置接合，并且控制径向探针支撑臂的垂直位置，当其位于探针覆盖在样本容器和反应杯。

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