Patent ID: 6773353
Filing Date: 2004-08-10
Classification: F16D,Y10S

Abstract:
A universal joint comprising:(a) first and second rings; (b) first and second yokes disposed within the first and second rings, respectively; (c) first and second shafts; (d) first pin means pivotally interconnecting the first yoke and the first ring; (e) second pin means pivotally interconnecting the first shaft and the first ring; (f) third pin means pivotally interconnecting the second yoke and the second ring; (g) fourth pin means interconnecting the second shaft and the second ring; (h) a coupling means interconnecting the first yoke and the second yoke; (i) a plurality of bearing means receiving the pin means; and (j) centering means interconnecting the first shaft and the second shaft, the centering means comprising a first cam rod rotatably coupled to a second cam rod, wherein: (i) the first cam rod includes a first section having a first axis of rotation and a second section, offset from the first section, having a second axis of rotation; and (ii) the second cam rod includes a first section having a first axis of rotation and a second section, offset from the first section, having a second axis of rotation.