Patent ID: 6905280

Claim:
Apparatus for securing a hub to a shaft, comprising: a) a cylindrical shaft having at least one longitudinal keyway formed in an outer surface thereof, said at least one keyway having a bottom portion and at least two side walls; b) a hub having a cylindrical axial bore defining a wall in said hub and being disposable on said shaft to define a maximum distance from said keyway bottom portion to said bore wall, said wall being cylindrical about the entire surface of said axial bore, the entire surface of the axial bore being defined at a constant radial distance from a central axis of the axial bore; and c) at least one tapered locking key for insertion into said at least one keyway between said keyway bottom portion and said bore wall, said key having a pre-insertion maximum height greater than said maximum distance such that at least one of said key and said hub is deformed by said insertion, whereby said hub is rotationally and axially secured onto said shaft.