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    • 6. 发明授权
    • Caster wheel with parabolic tread-hub interface
    • 脚轮与抛物面胎面接口
    • US09056524B2
    • 2015-06-16
    • US14470101
    • 2014-08-27
    • Caster Concepts, Inc.
    • Elmer Lee
    • B60B33/00B60B27/00B60B27/02B60B3/00
    • B60B33/0047B60B3/001B60B27/0005B60B27/02B60B33/0028B60B33/0039B60B33/0042B60B2900/311B60B2900/711Y10T16/1847Y10T16/1853
    • A caster wheel assembly includes at least one hub that has an annularly dished concave region disposed between a pair of cylindrical lips about its outer periphery. An elastomeric tread has a convex inner periphery that seats in the concave region of the hub. The interface between the hub and tread is parabolic in cross-section to manage load-inducted stresses in the tread. The parabolic cross-section is defined by the equation y=A*x2, where A is between 1.5 and 4. A cylindrical lip/pad interface is established between hub and tread on opposite sides of the parabolic interface to accommodate high load situations. A bearing is supported in the hub, and a bushing inside the bearing. An axle shaft passing through the bushing attaches the hub and tread to a support bracket for use in a wide variety of industrial applications.
    • 脚轮组件包括至少一个轮毂,该轮毂具有围绕其外周缘布置在一对圆柱形唇缘之间的环形凹陷凹区域。 弹性体胎面具有位于毂的凹入区域中的凸形内周边。 轮毂和胎面之间的界面在横截面上是抛物线的,用于管理胎面中的载荷引导应力。 抛物线横截面由方程y = A * x2定义,其中A在1.5和4之间。在抛物面界面的相对侧上的轮毂和胎面之间建立圆柱形唇/垫接口,以适应高负载情况。 轴承支撑在轮毂中,轴承支撑在轴承内。 穿过衬套的车轴将轮毂和胎面附接到支撑支架,以用于各种各样的工业应用中。