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    • 12. 发明申请
    • Volume adjustable manual pipette with quick set volume adjustment
    • 体积可调式手动移液器,可快速设定音量调节
    • US20050142038A1
    • 2005-06-30
    • US10751203
    • 2003-12-31
    • James PetrekPhillip YeeKenneth Rainin
    • James PetrekPhillip YeeKenneth Rainin
    • B01L3/02G01N1/10
    • B01L3/0224B01L2300/027
    • A volume adjustable pipette, comprising a plunger mounted for movement in a housing to and from a stop to aspirate a fluid into and dispense the fluid from a tip extending from the housing. An axially moveable volume setting member in the housing defines the stop and a volume setting for the pipette and is axially moveable by a user turnable volume setting member. Turning of the volume adjusting member also controls a coarse volume setting means and a fine volume setting means, the course volume setting means being responsive to a relatively small turning of the volume adjusting member for moving the volume setting member a relatively large axial distance and the fine volume setting means being responsive to a relatively large turning of the volume adjusting member for moving the volume setting member a relatively small axial distance.
    • 一种体积可调移液管,包括柱塞,所述柱塞安装成用于在壳体内和从止动件移动以将流体吸入并从从壳体延伸的尖端分配流体。 壳体中的可轴向移动的体积调节构件限定止动件和移液管的体积设定,并且可由用户可转动体积设定构件轴向移动。 音量调节构件的转动还可以控制粗略的体积设定装置和微细体积设定装置,该音量设定装置响应于体积调节构件相对较小的转动,用于使音量调节构件移动相对较大的轴向距离, 微细体积设定装置响应于体积调节构件相对较大的转动而使体积调节构件移动相对小的轴向距离。
    • 15. 发明授权
    • Pipette device with tip ejector utilizing stored energy
    • 移液器装置,带顶端喷射器,利用储能
    • US06532837B1
    • 2003-03-18
    • US09497829
    • 2000-02-03
    • Haakon T. Magussen, Jr.Phillip YeeAlbert Y. Wang
    • Haakon T. Magussen, Jr.Phillip YeeAlbert Y. Wang
    • G01N114
    • B01L3/0279
    • 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.
    • 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。
    • 16. 发明授权
    • Volume adjustable manual pipette with quick set volume adjustment
    • 体积可调式手动移液器,可快速设定音量调节
    • US06428750B1
    • 2002-08-06
    • US09548439
    • 2000-04-13
    • Kenneth RaininHaakon T. Magnussen, Jr.Phillip YeeWilliam D. HombergJames S. Petrek
    • Kenneth RaininHaakon T. Magnussen, Jr.Phillip YeeWilliam D. HombergJames S. Petrek
    • B01L302
    • B01L3/0224Y10T436/2575
    • A volume adjustable manual pipette having a hand-holdable housing supporting (i) an electronic digital display and associated position sensing and control circuitry, (ii) a plunger unit and (iii) a quick set volume adjustment mechanism for simultaneously controlling the volume setting of the pipette and the electronic display, the quick set volume adjustment mechanism comprising a pipette volume setting member for limiting upward movement of the plunger unit within the housing to define the volume setting for the pipette and the volume setting member being supported for axial movement on the plunger unit and releasably secured relative to the housing by a pipette user operable locking mechanism. When released from the housing, the volume setting member is axially moveable on and with the plunger unit to quickly set the volume for the pipette. When secured to the housing, the plunger unit is axially moveable relative to the volume setting unit to aspirate and dispense the selected volume of liquid into and from a pipette tip extending from a lower end of the housing. The volume setting of the pipette is monitored by the sensing and control circuitry to provide a real time display of the volume setting of the pipette.
    • 一种体积可调节的手动移液器,其具有可手持的壳体,其支撑(i)电子数字显示器和相关联的位置感测和控制电路,(ii)柱塞单元和(iii)快速设定体积调节机构,用于同时控制 移液管和电子显示器,快速设定的体积调节机构包括用于限制柱塞单元在壳体内的向上运动的移液管体积调节构件,以限定用于移液管的体积设置,并且容积设定构件被支撑以在 柱塞单元,并通过移液管用户可操作的锁定机构相对于壳体可释放地固定。 当从壳体释放时,体积调节构件可以在柱塞单元上和与柱塞单元一起轴向移动以快速设定移液管的体积。 当固定到壳体时,柱塞单元相对于体积设定单元轴向移动,以将选定体积的液体吸入并分配到从壳体的下端延伸的移液管尖端和从其移出。 移液器的体积设置由感测和控制电路监控,以提供移液器的体积设置的实时显示。