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    • 4. 发明授权
    • Ejection apparatus for the high pressure ejection of a liquid
    • 用于高压喷射液体的喷射装置
    • US5840061A
    • 1998-11-24
    • US765790
    • 1997-01-15
    • Andreas MenneWolfgang MerkleManfred SchulzDenis Klopfenstein
    • Andreas MenneWolfgang MerkleManfred SchulzDenis Klopfenstein
    • A61M5/20A61M5/30
    • A61M5/30A61M5/2053A61M5/3007
    • An ejection apparatus for the high pressure ejection of a liquid. The apparatus has the following elements: (a) a pressure chamber for containing the liquid; (b) an ejection opening communicating between an outside and an inside of the pressure chamber; (c) a working piston displaceable in the pressure chamber from a first position at a beginning of a working stroke to second position at an end of the working stroke, having (1) a first end defining a first volume within the pressure chamber when the working piston is at the first position and displacing a second volume, less than the first volume, when the working piston moves from the first position to the second position, and (2) having a second end distal from the first end; and (d) a drive for driving the working piston including (1) an impact member for elastically impacting the second end of the working piston to cause the working piston from the first to the second position and (2) means for accelerating the impact member to impact the working piston. The device can be constructed either as an endoscopic device for delivering liquids in minimally invasive surgical procedures, or as a needle-less inoculation device.
    • PCT No.PCT / EP96 / 02072 Sec。 371日期1997年1月15日 102(e)日期1997年1月15日PCT提交1996年5月14日PCT公布。 WO96 / 36381 PCT出版物 日期1996年11月21日用于液体的高压喷射的喷射装置。 该装置具有以下元件:(a)用于容纳液体的压力室; (b)在所述压力室的外部和内部之间连通的喷射口; (c)在工作行程开始时从压力室中的第一位置移动到工作行程末端的第二位置的工作活塞具有(1)在压力室内限定第一体积的第一端,当第 当工作活塞从第一位置移动到第二位置时,工作活塞位于第一位置并且移动小于第一容积的第二容积,以及(2)具有远离第一端的第二端; (d)用于驱动工作活塞的驱动器,包括:(1)用于弹性地冲击工作活塞的第二端的冲击构件,以使工作活塞从第一位置到第二位置;以及(2)用于加速冲击构件 以冲击工作活塞。 该装置可以构建为用于在微创外科手术中输送液体的内窥镜装置,或作为无针接种装置。
    • 10. 发明授权
    • Drill chuck
    • 钻卡盘
    • US5833247A
    • 1998-11-10
    • US803010
    • 1997-02-21
    • Heinz DeuschleManfred Schulz
    • Heinz DeuschleManfred Schulz
    • B23B31/12
    • B23B31/1238B23B31/123B23B2231/38Y10S279/902Y10T279/17632Y10T279/32
    • A drill chuck includes clamping jaws guided in openings inclined toward each other in a chuck body and displaced via a manually rotatable clamping sleeve and a blocking sleeve, which is axially displaceable and partially rotated in relation to the chuck body. The blocking sleeve can be connected with the clamping sleeve by being displaced into its axial end position. A spring operating in the circumferential direction between the chuck body and the blocking sleeve, which prestresses the blocking sleeve in relation to the chuck body in a direction corresponding to the closing direction of the clamping sleeve is provided. To increase the service life of the drill chuck it is embodied in such a way that the end of the spring on the blocking sleeve side is disposed on a plate- or disk-shaped adjusting disk which encloses the shaft of the chuck body, is interlockingly taken along with the rotation of the blocking sleeve and is axially displaceable on the blocking sleeve, and in such a way that, for limiting the rotation of the blocking sleeve in relation to the chuck body, a cam is provided, which operates between the surface of the shaft of the chuck body and the adjusting disk and is limited by two detents.
    • 钻夹头包括在卡盘体中彼此相对倾斜的开口中引导的夹爪,其经由可手动旋转的夹紧套筒和阻塞套筒相对于卡盘体轴向移位和部分旋转。 阻塞套筒可以通过移动到其轴向端部位置而与夹紧套筒连接。 提供了在卡盘主体和阻塞套筒之间沿圆周方向工作的弹簧,其相对于卡盘主体在与夹紧套筒的关闭方向相对应的方向上预紧阻塞套筒。 为了增加钻夹头的使用寿命,其实施方式是使得阻塞套筒侧上的弹簧的端部设置在围绕卡盘主体的轴的板状或盘状的调节盘上,是互锁的 与阻塞套筒的旋转一起被带动并且在阻塞套筒上可轴向移动,并且以这样的方式,为了限制阻塞套筒相对于卡盘主体的旋转,提供凸轮,其在表面 的卡盘主体的轴和调节盘,并被两个棘爪限制。