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1. 发明授权

US06532837B1 Pipette device with tip ejector utilizing stored energy 有权
标题翻译：移液器装置，带顶端喷射器，利用储能
公开(公告)号：US06532837B1
公开(公告)日：2003-03-18
申请号：US09497829
申请日：2000-02-03
申请人： Haakon T. Magussen, Jr. , Phillip Yee , Albert Y. Wang
发明人： Haakon T. Magussen, Jr. , Phillip Yee , Albert Y. Wang
IPC分类号： G01N114
CPC分类号： B01L3/0279
摘要： A pipette for repeatedly aspirating and dispensing a predetermined quantity of liquid. The pipette includes a hollow body having first and second extremities. The second extremity is adapted to removably receive the pipette tip. An ejector is carried by the body and has a first extremity disposed within the first extremity of the housing and a second extremity movable vertically about the second extremity of the housing. The ejector is movable from a first position for permitting the pipette tip to be securely mounted on the second extremity of the housing and a second position for pushing the pipette tip off of the second extremity of the housing. A spring is carried by the housing and is compressed so as to store energy in the spring. A locking mechanism is additionally carried by the housing for retaining the spring in the compressed position. The locking mechanism is releaseable so that the ejector is driven by the spring to the second position to move the pipette tip distally on the second extremity of the housing.
摘要翻译：用于反复抽吸和分配预定量液体的移液管。移液管包括具有第一和第二末端的中空体。第二末端适于可移除地接收移液管尖端。喷射器由主体承载并且具有设置在壳体的第一末端内的第一末端和围绕壳体的第二末端垂直移动的第二末端。喷射器可从第一位置移动，以允许移液管末端牢固地安装在壳体的第二末端上，以及第二位置，用于将移液管尖端推离壳体的第二末端。弹簧由壳体承载并被压缩以便在弹簧中储存能量。壳体另外承载锁定机构，用于将弹簧保持在压缩位置。锁定机构是可释放的，使得喷射器由弹簧驱动到第二位置，以将移液管尖端向远侧移动到壳体的第二末端。

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