Patent ID: 8834279
Filing Date: 2014-09-16
Classification: F16D,Y10S,Y10T

Abstract:
1. A shaft assembly, comprising; a first shaft which comprises a first annular crest and a second annular crest, the first annular crest and the second annular crest are separated by an inclined surface, wherein the second annular crest comprises an axially extending surface attached to an end of the inclined surface; a boot secured to the shaft, wherein the boot comprises a channel which comprises an inlet portion, a partially helical portion, and an outlet portion formed in an inner surface of the boot and a diaphragm portion disposed adjacent an end of the channel; wherein the diaphragm portion is provided over the inclined surface and comprises a lip which contacts the second annular crest to provide a selectively formed seal around an entire circumference of the second annular crest.