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    • 3. 发明申请
    • NON-LINEAR STIFFNESS ROLLER ASSEMBLY
    • 非线性刚性滚子总成
    • WO2012166097A1
    • 2012-12-06
    • PCT/US2011/038374
    • 2011-05-27
    • OTIS ELEVATOR COMPANYFARGO, Richard, N.GUILANI, BradHUBBARD, James, L.WEST, Adrian, D.
    • FARGO, Richard, N.GUILANI, BradHUBBARD, James, L.WEST, Adrian, D.
    • B66B7/04F16C13/00
    • B66B7/046B66B7/022F16C13/00
    • A roller apparatus (202,203,204,800,900,1000) is provided. The roller apparatus (202,203,204,800,900,1000) may include a bearing wheel (212,812,912,1012) configured to rotatably couple the roller apparatus (202,203,204,800,900,1000) to a roller shaft (210), and a resilient member (214,314,414,514,614,714,814, 914,1014) radially disposed about the bearing wheel (212,812,912,1012) and configured to contact a guiderail (112) at different magnitudes of loads. The resilient member (214,314,414,514,614,714,814,914,1014) may include a first section (216,316,416,516,616,716,816,916,1016) of a first diameter and a second section (218,318,418,518,618,718,818,918,1018) of a second diameter. The first section (216,316,416,516,616,716,816,916,1016) may be caused to deflect in response to loads within a first load range, while the second section (218,318,418,518,618,718,818,918,1018) may be caused to deflect in response to loads within a second load range. The resilient member (214,314,414,514,614,714,814,914,1014) may exhibit a stepwise increase in stiffness with a gradual increase in load.
    • 提供辊装置(202,203,204,800,900,1000)。 辊装置(202,203,204,800,900,1000)可以包括轴承轮(212,812,912,1012),其被配置为将辊装置(202,203,204,800,900,1000)可旋转地联接到辊轴(210),以及弹性构件(214,314,414,514,614,714,814,914,1014) 设置在所述轴承轮(212,812,912,1012)周围并且被配置成以不同的负载大小接触所述导轨(112)。 弹性构件(214,314,414,514,614,714,814,914,1014)可以包括第一直径的第一部分(216,316,416,516,616,716,816,916,1016)和第二直径的第二部分(218,318,418,518,618,718,818,918,1018)。 可以使第一部分(216,316,416,516,616,716,816,916,1016)响应于第一负载范围内的负载而偏转,同时可以使第二部分(218,318,418,518,618,718,818,918,1018)响应于第二负载范围内的负载而偏转。 弹性构件(214,314,414,514,614,714,814,914,1014)可以随着负载的逐渐增加呈现逐渐增加的刚度。