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    • 12. 发明授权
    • Hand grinder
    • 手磨机
    • US5888128A
    • 1999-03-30
    • US847782
    • 1997-04-28
    • Justus LamprechtJoao Bergner
    • Justus LamprechtJoao Bergner
    • B23Q11/00B24B23/03B24B23/04
    • B23Q11/0035B24B23/03Y10T74/18544
    • A hand grinder, comprising a housing, a motor arranged in the housing, a tool holder with a grinding tool received in the tool holder, a work shaft driven by the motor, two rotary bearings which support the work shaft, a compensating unit arranged on the work shaft for joint rotation therewith between the rotary bearings and provided for compensation of an imbalance produced by the tool holder with the grinding tool during rotation of the work shaft, the compensating unit including different imbalance masses which are offset from one another in an axial direction of the work shaft and are arranged on the work shaft diametrically opposite to one another.
    • 一种手动研磨机,包括壳体,布置在壳体中的电动机,具有容纳在工具架中的研磨工具的工具保持器,由电动机驱动的工作轴,支撑工作轴的两个旋转轴承,布置在 所述工作轴在所述旋转轴承之间与所述工作轴接合旋转,并用于在所述工作轴旋转期间补偿由所述工具夹具与所述研磨工具产生的不平衡,所述补偿单元包括在轴向上彼此偏移的不同的不平衡质量块 工作轴的方向并且布置在彼此径向相对的工作轴上。
    • 13. 发明授权
    • Hand-operated orbital sander
    • 手动轨道打磨机
    • US5855504A
    • 1999-01-05
    • US973645
    • 1997-11-26
    • Eugen HildJoao Bergner
    • Eugen HildJoao Bergner
    • B24B23/04B24B23/00
    • B24B23/04
    • In a hand-held orbital sander with a housing (12) and with a sanding tool (10) received in a tool holder (22), which is seated by means of a pivot bearing (21) on a rotating eccentric journal (20) protruding from the housing (12), an oscillating device (23), having an inner ring (26), an outer ring (27) and a formed part (28) made of elastic material connecting the two with each other is provided as a security against relative rotation, wherein the inner ring (26) is fastened on the tool holder (22) coaxially with the pivot bearing (21), and the outer ring (27) is maintained, fixed against relative totation, in the housing (12). The oscillating device (23) provides a symmetrical force distribution and makes it possible to set the torque of the tool holder (22) with the sanding tool (10) as needed in respect to the hardness or thickness of the elastic formed part (28) (FIG. 1).
    • PCT No.PCT / DE97 / 00145 Sec。 371日期:1997年11月26日 102(e)日期1997年11月26日PCT 1997年2月28日PCT公布。 WO97 / 42001 PCT出版物 日期1997年11月13日在具有壳体(12)和砂磨工具(10)的手持式轨道打磨机中,该砂光机容纳在工具架(22)中,工具架(22)通过枢转轴承(21)在旋转 从外壳突出的偏心轴颈(20),具有内圈(26),外圈(27)和弹性材料制成的成形件(28)的摆动装置(23) 另一个被设置为防止相对旋转的安全性,其中内环(26)与枢转轴承(21)同轴地紧固在工具架(22)上,并且外圈(27)被保持,抵抗相对固定, 在壳体(12)中。 振动装置(23)提供对称的力分布,并且使得可以根据需要根据弹性成形部件(28)的硬度或厚度来设定工具夹具(22)的扭矩, (图。1)。