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1. 发明授权

US5616299A Dispenser for dried biological reagent spheres 失效
标题翻译：干生物试剂球的分配器
公开(公告)号：US5616299A
公开(公告)日：1997-04-01
申请号：US469050
申请日：1995-06-06
申请人： David W. Walker , Brent A. Burdick , James F. Jolly , Daniel D. Zender
发明人： David W. Walker , Brent A. Burdick , James F. Jolly , Daniel D. Zender
IPC分类号： B01L99/00 , G01N35/00 , B01L11/00 , B65G29/00
CPC分类号： B01L99/00 , B01J2219/00468 , G01N2035/00574
摘要： An apparatus for dispensing reagent spheres from a vial includes a housing with an inlet through which the reagent spheres are received from the vial. Within the housing is a dispensing tube which forms a passageway for the reagent spheres and which has a first relatively large section in communication with the inlet and a funnel section in which the passageway reduces in cross section to a narrower linearizing section. The cross sectional area of the linearizing section is only slightly larger than one of the reagent spheres being dispensed. A metering shaft extends across and blocks the linearizing section of the passageway. The metering shaft has a depression for conveying one reagent sphere at a time between portions of linearizing section when the metering shaft is rotated 180 degrees. A gear on the metering shaft meshes with teeth on a plunger which is slidably mounted to the housing. A user pressing the plunger causes the metering shaft to rotate transferring a reagent sphere to a portion of the passageway connected to the outlet of the housing and thereby ejects that reagent sphere from the housing.
摘要翻译：用于从小瓶分配试剂球的装置包括具有入口的壳体，试剂球从小瓶接收。在壳体内部是分配管，其形成用于试剂球的通道，并且其具有与入口连通的第一相对大的部分和漏斗部分，其中通道在横截面上减小到较窄的线性化部分。线性化部分的横截面面积仅略微大于被分配的一种试剂球体。计量轴延伸穿过并阻塞通道的线性化部分。计量轴具有用于当计量轴旋转180度时一次在线性化部分的部分之间输送一个试剂球的凹陷。计量轴上的齿轮与可滑动地安装在壳体上的柱塞上的齿啮合。按压柱塞的使用者使得计量轴旋转，将试剂球转移到连接到壳体出口的通道的一部分，从而将该试剂球从壳体喷出。

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