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    Manually-actuated rotary-impact tool
    1.
    发明授权
    Manually-actuated rotary-impact tool 失效
    手动旋转冲击工具

    公开(公告)号：US4293044A

    公开(公告)日：1981-10-06

    申请号：US100365

    申请日：1979-12-05

    申请人： J. Edward C. Anderson

    发明人： J. Edward C. Anderson

    IPC分类号： B25B19/00 ,  B25D15/02

    CPC分类号： B25B19/00

    摘要： The manually-actuated, rotary-impact tool for rotatively driving a fastener has a spring in a handle for storage of energy, a rotatable tool head and an inertia member surrounding the tool head and connected to the handle via driving connections. A cam associated with the handle is provided to coact with the driving connections to disengage the driving connections when the tool head rotation is resisted by a predetermined force and the handle is rotated relative to the tool head and to allow re-engagement of the driving connections in another operative condition. A lever arm is pivotally connected to the handle so as to coact with the handle and inertia member to actuate the spring for storage of energy upon resistance of the tool head to rotation and to rotate the inertia member under the force of the stored energy of the spring and effect conversion of the kinetic energy of the inertia member to impact force on the tool head upon re-engagement of the driving connections. The pivotal connection of the lever arm is offset from the longitudinal axis of the handle.

    摘要翻译： 用于旋转驱动紧固件的手动旋转冲击工具具有用于存储能量的手柄中的弹簧，可旋转工具头和围绕工具头并且经由驱动连接连接到手柄的惯性构件。 与手柄相关联的凸轮设置成与驱动连接件共同作用以在工具头旋转受预定力抵抗时脱离驱动连接，并且手柄相对于工具头旋转并允许驱动连接件的再接合 在另一种手术状态。 杠杆臂枢转地连接到手柄，以便与手柄和惯性构件共同作用以致动弹簧，用于在工具头抵抗旋转时的能量存储，并在惯性构件的存储能量的作用力下旋转惯性构件 在驱动连接重新接合时，惯性构件的动能的弹簧和效应转换对工具头上的冲击力。 杠杆臂的枢转连接从手柄的纵向轴线偏移。