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    • 6. 发明公开
    • Power tool
    • 电动工具
    • EP2777847A1
    • 2014-09-17
    • EP14159538.9
    • 2014-03-13
    • Black & Decker Inc.
    • McRoberts, JasonMiller, David, A.Sergyeyenko, Oleksiy P.
    • B23B31/12B25F5/02
    • B23B31/1207B23B31/1238B23B2231/38B23Q11/0883B25F5/02Y10T279/34
    • A power tool (10) comprises a housing (12), a motor (14) disposed in the housing, the motor having an output shaft, and a gear case (25) attached to the housing. The gear case includes a rear end closer to the motor and a forward end further from the motor, the gear case containing gears arranged to be driven by the output shaft of the motor. A bearing assembly (28) extends from the forward end of the gear case, the bearing assembly supporting a driveshaft (24) arranged to be rotated by the gears about an axis of rotation. A chuck assembly (26) extends from the driveshaft, the chuck assembly including elongate chuck jaws (32) located entirely forward of and/or at least partly radially outwardly of the bearing assembly. The chuck assembly also includes a chuck sleeve (36), the chuck sleeve surrounding at least a portion of the bearing assembly and surrounding the chuck jaws along at least part of their length.
    • 一种动力工具(10)包括壳体(12),设置在壳体中的马达(14),马达具有输出轴以及附接到壳体的齿轮箱(25)。 齿轮箱包括靠近电机的后端和远离电机的前端,齿轮箱包含齿轮,齿轮箱布置成由电机的输出轴驱动。 轴承组件(28)从齿轮箱的前端延伸,所述轴承组件支撑驱动轴(24),所述驱动轴布置成由所述齿轮围绕旋转轴线旋转。 卡盘组件(26)从驱动轴延伸,卡盘组件包括完全位于轴承组件前方和/或至少部分径向向外的细长卡盘爪(32)。 卡盘组件还包括卡盘套筒(36),卡盘套筒围绕轴承组件的至少一部分并沿着其长度的至少一部分围绕卡盘颚板。