Patent ID: 8475320

Claim:
A bearing preload adjuster assembly, comprising: a first annular member defining a first outer wall and a first inner wall, the first outer wall having a threaded region, the first inner wall having a plurality of first ramped surfaces formed thereon, the first outer wall adapted to threadably engage a corresponding threaded region of an axle assembly; a second annular member defining a second outer wall having a plurality of second ramped surfaces formed thereon, the second annular member being received in the first annular member such that the second outer wall faces the first inner wall of the first annular member; a biasing member biasing the second annular member in a first axial direction such that the plurality of second ramped surfaces are in selective meshed engagement with the plurality of first ramped surfaces of the first annular member; and a retaining member coupled to the first inner wall of the first annular member and retaining the biasing member and second annular member within the first annular member.