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    • 2. 发明申请
    • POWER DRILL
    • 电动钻机
    • US20140377025A1
    • 2014-12-25
    • US14301597
    • 2014-06-11
    • Peter SCHENK
    • Peter SCHENK
    • B23B45/00
    • B23B45/008B23B31/123B23B31/1253B23B45/001B23B2231/06B23B2260/044B23B2260/0445Y10T279/17615Y10T279/17623Y10T279/17632Y10T279/17658Y10T279/3437Y10T279/3451Y10T408/72Y10T408/953
    • A power drill has a rotatable spindle extending from a power-unit housing, a chuck body rotationally fixed to the spindle, a jaw guide carried on the chuck body and rotatable relative thereto about the axis, jaws carried in the chuck body, and a pusher element rotatable about the axis in the chuck body and fixed to and bearing axially on the jaws. Screwthreads between the pusher element and the spindle is effective to move the jaws radially on rotation of the spindle about the axis relative to the guide. A coupling sleeve rotationally fixed to the jaw guide is movable between a tightening position rotationally fixed to the housing for movement of the jaws by the pusher element on rotation of the spindle and a drilling position rotationally fixed to the spindle and rotatable relative to the guide for joint rotation of the guide, jaws, and spindle.
    • 动力钻具有可旋转的主轴,其从动力单元壳体,可旋转地固定到主轴上的卡盘主体延伸,卡盘主体承载在卡盘主体上并且围绕轴线可旋转,卡盘主体中承载的卡爪和推杆 元件可围绕卡盘主体中的轴线旋转并且被固定到轴向并且在轴爪上轴承。 在推动器元件和心轴之间的螺纹线有效地使心轴相对于引导件绕轴线的旋转径向移动。 可旋转地固定到爪引导件的联接套筒可在旋转地固定到壳体的紧固位置之间移动,用于在主轴旋转时由推动器元件移动夹爪,以及可旋转地固定到主轴并相对于引导件可旋转的钻孔位置 引导件,夹爪和主轴的联合旋转。
    • 5. 发明授权
    • Electric motor driven screw driving or drilling tool device with planetary gear
    • 电机驱动螺杆驱动或带行星齿轮的钻具装置
    • US07537540B2
    • 2009-05-26
    • US11595890
    • 2006-11-13
    • Martin BaumannChristoph Maier
    • Martin BaumannChristoph Maier
    • F16H35/10
    • B23B45/008B23B2260/044B23B2260/122B25B23/141F16H35/10
    • An electric motor-driven screw driving or drilling tool device with a planetary gear, comprising a ring gear and planet wheels mating with the ring gear, wherein the ring gear can be locked and fixed relative to the housing via locking bodies which are pretensioned by springs in a radially inward direction, the locking bodies being radially outwardly displaceable when a switch-off torque has been exceeded, such that the ring gear can be rotated relative to the housing, and the drive shaft is no longer driven. In order to improve the ease of operation of the device and reduce its size, the invention proposes leaf springs which extend in the peripheral direction of the ring gear, whose lever arm lengths can be adjusted in a peripheral direction to generate different bending forces acting on a respective locking body.
    • 一种具有行星齿轮的电动马达驱动的螺丝驱动或钻孔工具装置,其包括与所述齿圈配合的环形齿轮和行星轮,其中所述环形齿轮可以通过锁定体相对于所述壳体被锁定和固定,所述锁定体由弹簧 在径向向内的方向上,当已经超过切断扭矩时,锁定体可径向向外移位,使得齿圈能相对于壳体旋转,并且驱动轴不再被驱动。 为了提高装置的操作性和减小其尺寸,本发明提出了在环形齿轮的圆周方向上延伸的板簧,其杠杆臂长度可以在周向方向上调节以产生作用于 相应的锁定体。