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    • 7. 发明授权
    • Hand-held power tool
    • 手持电动工具
    • US06443675B1
    • 2002-09-03
    • US09506244
    • 2000-02-17
    • Robert K. KoprasJason R. KoprasScott AdlerDouglas SealsRyan RindyLarry GunseorDaniel Bullis
    • Robert K. KoprasJason R. KoprasScott AdlerDouglas SealsRyan RindyLarry GunseorDaniel Bullis
    • B23C120
    • B27C5/10B25F5/008B25F5/02B25F5/021B25F5/026Y10S16/12Y10S16/24Y10S29/082Y10S29/083Y10T16/444Y10T16/469Y10T83/2066Y10T83/242Y10T83/68Y10T83/828Y10T403/595Y10T408/21Y10T408/65Y10T409/303976Y10T409/304088Y10T409/306608Y10T409/308624
    • A hand-held power tool, such as a spiral cutting tool, with improved operator control and visibility. The power tool includes a motor contained in a motor housing. The motor may be a variable speed motor controlled by a speed control user interface mounted on the housing. Each time a speed control button is actuated, the motor speed is changed. A display provides the operator of the tool with an indication of the motor speed selected. A detachable handle is provided with a moveable mechanism for easily, quickly, and securely attaching the handle to the housing and removing the handle therefrom with one hand. The detachable handle may include one or more storage compartments formed therein. The detachable handle includes a trigger switch mounted therein for operating the cutting tool motor. The trigger switch is mounted in the detachable handle in a position such that the switch is operated by the little finger and ring finger of an operator's hand. The trigger switch is coupled to a motor controller within the motor housing without use of a direct mechanical connection, so as not to interfere with the easy and quick attachment and detachment of the handle to and from the housing. Operation of the trigger switch is enabled by a multiple-position power switch mounted on the housing. High-output LEDs are mounted in the housing to direct beams of light toward a workpiece at the point of a cut, to improve workpiece visibility. Air vents are provided for directing a flow of air onto a workpiece being cut to remove cutting debris therefrom to further improve operator visibility.
    • 手持式电动工具,如螺旋式切割工具,具有改进的操作员控制和可视性。 电动工具包括电动机壳体中的电动机。 马达可以是由安装在壳体上的速度控制用户界面控制的变速马达。 每次启动速度控制按钮,电机速度都会改变。 显示器为工具的操作者提供所选电机速度的指示。 可拆卸的把手设置有可移动机构,用于将手柄容易地,快速地并且牢固地附接到壳体并用一只手从其上移除手柄。 可拆卸手柄可以包括形成在其中的一个或多个存储隔间。 可拆卸手柄包括安装在其中的用于操作切割工具电动机的触发开关。 触发开关安装在可拆卸手柄中的位置,使得开关由操作者的手的小指和无名指操作。 触发开关与马达壳体内的马达控制器相连,而不用直接机械连接,从而不会干扰手柄容易和快速地与壳体的连接和拆卸。 触发开关的操作由安装在外壳上的多位置电源开关启用。 高输出LED安装在壳体中,以在切割点处将光束引向工件,以提高工件的可视性。 空气通风口被设置用于将空气流引导到被切割的工件上以从其上除去切屑,以进一步提高操作者的可视性。