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    • 7. 发明授权
    • Lockout mechanism for power tool
    • 电动工具闭锁机构
    • US06340802B1
    • 2002-01-22
    • US09524867
    • 2000-03-14
    • James P. BascomJohn E. Buck
    • James P. BascomJohn E. Buck
    • H01H928
    • H01H13/08H01H3/20H01H9/06
    • A power tool includes a hollow housing defining a handle with an external wall. A motor is disposed in the housing. A switch is pivotally mounted in the handle about a first axis for actuating the motor. The switch has a first locking abutment. A latch is located adjacent the switch and is pivotally mounted in the handle about a second axis generally parallel to the first axis for movement back and forth between an engaged and a disengaged position. The latch has a second abutment for engaging the first abutment and preventing the switch from being actuated. The latch when pivoted to engage the first and second abutments applies a force vector generally intersecting the second axis.
    • 电动工具包括限定具有外壁的手柄的中空壳体。 电机设置在壳体中。 一个开关枢转地安装在手柄周围的第一轴线上用于致动马达。 开关具有第一锁定支座。 闩锁位于开关附近并且围绕大致平行于第一轴线的第二轴线可枢转地安装在手柄中,用于在接合位置和脱离位置之间来回移动。 闩锁具有用于接合第一邻接部并防止开关被致动的第二邻接部。 当枢转以接合第一和第二邻接部时的闩锁施加大体上与第二轴线相交的力矢量。