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    • 1. 发明授权
    • Rotary impact tool
    • 旋转冲击工具
    • US07971654B2
    • 2011-07-05
    • US12585864
    • 2009-09-28
    • Atsushi TakeyamaHidenori Shimizu
    • Atsushi TakeyamaHidenori Shimizu
    • B25D15/02
    • B25B21/02B25B21/026
    • A rotary impact tool includes a drive shaft rotationally driven by a rotational drive power source, a hammer arranged around the drive shaft, a ball engaging with a cam groove formed on the outer circumferential surface of the drive shaft and a cam groove formed on the inner circumferential surface of the hammer, an anvil engageable with the hammer along a rotational direction and a spring for biasing the hammer toward the anvil. The hammer is designed to rotate along a rotational locus decided by the cam groove of the drive shaft and the cam groove of the hammer. The rotational locus of the hammer as seen in a development view describes a curve in which the lead angle of the rotational locus varies continuously with the change in hammer rotation angle.
    • 旋转冲击工具包括由旋转驱动动力源旋转驱动的驱动轴,围绕驱动轴设置的锤,与形成在驱动轴的外周面上的凸轮槽接合的球和形成在内侧的凸轮槽 锤的圆周表面,可沿着旋转方向与锤接合的砧座和用于将锤向砧板偏压的弹簧。 锤被设计成沿着由驱动轴的凸轮槽和锤的凸轮槽决定的旋转轨迹旋转。 如显影图所示,锤的旋转轨迹描述了旋转轨迹的前进角随着锤旋转角度的变化而连续变化的曲线。
    • 2. 发明申请
    • Electric power tool
    • 电动工具
    • US20110073343A1
    • 2011-03-31
    • US12923418
    • 2010-09-21
    • Fumiaki SawanoHidenori ShimizuHiroshi Miyazaki
    • Fumiaki SawanoHidenori ShimizuHiroshi Miyazaki
    • B25F5/00
    • B25F5/006B25F5/00
    • An electric power tool includes a housing, a motor arranged within the housing, a power transmission unit arranged within the housing for transferring rotation of the motor to a work tool, a motor control unit arranged within the housing for controlling the rotation of the motor, and a trigger switch retractably provided to the housing for instructing the motor control unit to control the rotation of the motor. The electric power tool further includes a wireless communication device arranged within the housing for wirelessly communicating the work information on the content of works. The wireless communication device includes an antenna unit. The wireless communication device is covered with a shock-absorbing material. The antenna unit is arranged to lie higher than the trigger switch when the electric power tool is stored in a specified storage state.
    • 一种电动工具,包括壳体,布置在壳体内的电动机,布置在壳体内用于将电动机的旋转传递到作业工具的动力传递单元,布置在壳体内用于控制电动机旋转的电动机控制单元, 以及可伸缩地设置到壳体的触发开关,用于指示电动机控制单元控制电动机的旋转。 电动工具还包括布置在壳体内的无线通信装置,用于无线地传达关于作品内容的工作信息。 无线通信装置包括天线单元。 无线通信设备被吸震材料覆盖。 当电动工具以指定的存储状态存储时,天线单元布置成高于触发开关。
    • 4. 发明授权
    • Power tool having a main body and a battery pack detachably attached to the main body
    • 电动工具具有可拆卸地附接到主体的主体和电池组
    • US07567058B2
    • 2009-07-28
    • US11441017
    • 2006-05-26
    • Hidenori ShimizuFumiaki SawanoMasatoshi Atsumi
    • Hidenori ShimizuFumiaki SawanoMasatoshi Atsumi
    • H02J7/00
    • B25F5/02
    • A power tool includes a power tool and a battery pack detachably attached to the power tool, the battery pack having two engaging portions to be mechanically coupled to the power tool and the power tool having engaged portions respectively corresponding to two engaging portions of the battery pack respectively. Each of engaging portions of the battery pack includes an insertion restricting portion and an attachment securing portion for allowing its corresponding engaged portion to be inserted only in a direction of pressing the attaching portion of the battery pack against the attached portion of the power tool, each of the attachment securing portions being coupled to its corresponding engaged portion. At least one of said at least two engaging portions further has a hook engaging portion which is selectively secured with an engaged portion moved from its corresponding insertion restricting portion to its corresponding attachment securing portion.
    • 电动工具包括电动工具和可拆卸地附接到电动工具的电池组,电池组具有两个接合部分,以机械地联接到电动工具,并且电动工具具有分别对应于电池组的两个接合部分的接合部分 分别。 电池组的每个接合部分包括插入限制部分和附接固定部分,用于允许其相应的被接合部分仅沿着将电池组的安装部分压靠在电动工具的附接部分上的方向插入,每个 的连接固定部分联接到其相应的接合部分。 所述至少两个接合部分中的至少一个还具有钩接合部分,所述钩接合部分被选择性地固定有从其相应的插入限制部分移动到其对应的附接固定部分的接合部分。