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    • 8. 发明授权
    • Joint mechanism and joint device
    • 接头机构和接头装置
    • US08141925B2
    • 2012-03-27
    • US12517710
    • 2007-12-07
    • Osamu MizunoAkinobu OkudaTohru Nakamura
    • Osamu MizunoAkinobu OkudaTohru Nakamura
    • B66C1/00
    • B25J15/0009B25J9/102F16H1/16Y10T74/19637Y10T74/19828Y10T74/20317Y10T74/20329
    • The joint mechanism includes a first link, a second link, a third link, a shaft supported on the second link to be rotatable about an axis thereof, and movable in an axis direction thereof, a first worm and a second worm mounted on the shaft, a first worm wheel in mesh with the first worm to pivotally move the first link with respect to the second link, and a second worm wheel in mesh with the second worm to pivotally move the third link with respect to the second link. The first link and the third link are pivotally moved in opposite directions to each other by rotating the shaft, and pivotally moved in identical directions to each other by moving the shaft in the axis direction.
    • 所述关节机构包括:第一连杆,第二连杆,第三连杆,支撑在所述第二连杆上的轴,以绕其轴线旋转并且可沿其轴线方向移动;第一蜗杆和安装在所述轴上的第二蜗杆 与所述第一蜗杆啮合的第一蜗轮,以相对于所述第二连杆枢转地移动所述第一连杆;以及与所述第二蜗杆啮合的第二蜗轮,以相对于所述第二连杆枢转地移动所述第三连杆。 第一连杆和第三连杆通过旋转轴而以相反的方向枢转运动,并且通过沿着轴线方向移动轴而以相同的方向彼此枢转地运动。