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    • 48. 发明授权
    • Cutterhead for a string trimmer
    • Cutterhead为一个字符串修剪器
    • US5359777A
    • 1994-11-01
    • US63663
    • 1993-05-20
    • Peter BauerHorst EckhardtRoland SchierlingJoachim Hoffmann
    • Peter BauerHorst EckhardtRoland SchierlingJoachim Hoffmann
    • A01D34/73A01D34/416B26D1/547A01G3/06
    • A01D34/416
    • A cutterhead for a string trimmer having a rotatable drive shaft is adapted to hold and meter a cutting filament during operational use thereof. The cutterhead includes a disc-like carrier fixedly connected to one end of the drive shaft to permit the carrier to rotate about a rotational axis. The carrier has a peripheral edge and a peripherally extending outer wall approximately perpendicular to the carrier along the peripheral edge. The outer wall defines a space for accommodating the cutting filament in the cutterhead and has a guide eyelet disposed therein to define a pass-through opening for guiding the filament from the space to the outside of the cutterhead where a segment of the filament extends radially outwardly from the outer wall to define a cutting plane when the drive shaft rotates. The guide eyelet is made of wear-resistant material and is adapted to the diameter of the cutting filament. A stop is disposed in the cutting plane for receiving the segment of the cutting filament thereagainst when the segment strikes an obstacle and is deflected during operation of the string trimmer. The stop is disposed radially forward of the outer wall next to the pass-through opening.
    • 用于具有可旋转驱动轴的弦线修剪器的刀头适于在其操作使用期间保持和计量切割细丝。 刀架包括固定地连接到驱动轴的一端的盘状载体,以允许载体围绕旋转轴线旋转。 载体具有外围边缘和周边延伸的外壁,其沿外围边缘大致垂直于载体。 外壁限定用于将切割细丝容纳在刀架中的空间,并且具有设置在其中的引导孔,以限定用于将细丝从空间引导到切割器的外部的通过开口,其中细丝的一段沿径向向外延伸 当驱动轴旋转时,从外壁限定切割平面。 导向孔由耐磨材料制成,适用于切割细丝的直径。 在切割平面中设置一个止挡件,用于当线段撞击障碍物时接收切割细丝的段,并在弦修剪器的操作期间偏转。 止挡件放置在穿过开口的旁边的外壁的径向前方。
    • 49. 发明授权
    • Disposable thermostatically controlled electric surgical-medical
irrigation and lavage liquid warming bowl and method of use
    • 一次性恒温控制电动外科医疗灌洗和灌洗液加温碗及使用方法
    • US5129033A
    • 1992-07-07
    • US496256
    • 1990-03-20
    • Janice J. FerraraPeter Bauer
    • Janice J. FerraraPeter Bauer
    • A61M3/02
    • A61M3/0245A61M2205/3653
    • A warming bowl for electrically heating lavage and irrigation liquid for use during medical-surgical procedures includes an electric heating device and an automatic thermostatic control to heat and maintain the liquid at a substantially constant temperature. The warming bowl is disposable after use and has an inner and an outer bowl sealed to one another so as to provide an internal sealed region therebetween for holding a battery to power the electric heating device. The inner bowl serves to hold irrigation liquid and supports therein a housing made of low-thermal-conductivity material that houses the electric heating device and the thermostatic control in spaced, substantially thermally isolated relation from one another. A metallic thermal shunt conductor is disposed along and in contact with a portion of the external periphery of the housing and extends over and across the space between the heating device and the thermostatic control. The housing is fixedly supported spacedly above the inner bowl's bottom. When the inner bowl is filled with irrigation liquid, a major portion of the housing is exposed to the liquid at least over a substantial part of the outer surface of the shunt conductor. An external power source can be selectively optionally connected to power the heating device.
    • 用于在医疗手术过程中使用的用于电加热灌洗液和冲洗液的加热碗包括电加热装置和用于将液体加热并保持在基本上恒定的温度的自动恒温控制。 加热碗在使用后是一次性的,并且具有彼此密封的内碗和外碗,从而在其间提供用于保持电池以为电加热装置供电的内部密封区域。 内碗用于保持冲洗液体并且在其中支撑由低热导率材料制成的壳体,其将电加热装置和恒温控制物彼此隔开,基本上热隔离的关系。 金属热分流导体沿着壳体的外周的一部分设置并且与壳体的外周部分接触并且在加热装置和恒温控制之间的空间上延伸并跨越加热装置和恒温控制器之间的空间。 壳体间隔地固定在内碗底部的上方。 当内碗充满冲洗液体时,壳体的主要部分至少在分流导体的外表面的大部分上暴露于液体。 可以选择性地连接外部电源来为加热装置供电。