Patent ID: 7524132
Filing Date: 2009-04-28
Classification: F16D,Y10T

Abstract:
1. A hub and shaft attachment assembly, comprising, in combination, a hub having a pair of axially extending slots defining an opposed pair of flanges, each of said opposed flanges having an internal chordal surface, one of said flanges having an exterior flat and a smooth radial bore, another of said flanges having a threaded radial bore aligned with said smooth radial bore, a pair of opposing arcuate reliefs centered on the internal chordal surfaces, the pair of opposing arcuate reliefs disposed axially along the hub, a shaft having a pair of external chordal surfaces and a smooth radial bore, and a fastener extending through said bores and having a head disposed proximate said exterior flat, wherein the fastener further comprises a head portion disposed adjacent the external flat surface of a first of the opposed pair of clamp members, the head portion having a head mass, wherein the first of the opposing pair of clamp members has a first mass and a second of the opposing pair of clamp members has a second mass, and wherein the second mass is substantially the same as the combination of the first mass and the head mass.