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    • 4. 发明授权
    • Rotary dobby having connecting rod automatically disengagable from drive
shaft
    • 旋转多臂机具有连杆自动脱离驱动轴
    • US5479964A
    • 1996-01-02
    • US169646
    • 1993-12-20
    • Lucio Burigana
    • Lucio Burigana
    • D03C1/00F16D11/16
    • D03C1/00F16D11/16
    • A rotary dobby has two mutually opposed ratchet levers pivotably mounted to a cam disk engaging a connecting rod. First ends of the ratchet levers are to interact with two respective mating surfaces defined on the periphery of a drive disk integrated with a drive shaft. A rocking lever is pivotably mounted to the cam disk at a fulcrum that lies in a plane coincident with the axis of the drive shaft and extending between the pivots of the ratchet levers. The rocking lever has first and second terminal contact appendages disposed symmetrically with respect to the plane passing through the fulcrum and the axis of the drive. These appendages are operatively associated with second ends of the ratchet levers remote from the first ends thereof. The rocking lever also has a control arm positioned on the opposite side of the fulcrum from the terminal contact appendages and interacting with a control mechanism.
    • 旋转多臂机具有两个相互相对的棘轮杆,其可枢转地安装到与连接杆接合的凸轮盘。 棘轮杆的第一端将与限定在与驱动轴一体化的驱动盘的周边上的两个相应配合表面相互作用。 摆动杆可枢转地安装到凸轮盘上,该支点位于与驱动轴的轴线重合并且在棘轮杆的枢轴之间延伸的平面中。 摆动杆具有相对于穿过支点和驱动轴的平面对称设置的第一和第二端子接触附件。 这些附件与远离其第一端的棘轮杆的第二端可操作地相关联。 摆动杆还具有一个控制臂,该控制臂位于与终端接触附件相对的支点的相反侧并与控制机构相互作用。