Patent ID: 8292373

Claim:
In combination with an axle having a spindle at a free end of the axle, the spindle having an external thread, a bearing assembly having an inboard bearing and an outboard bearing mounted on the spindle, the bearing assembly held in a hub, an improved spindle nut assembly comprising: a washer having a plurality of openings, the washer abutting the outboard bearing; a retaining nut abutting the washer, the retaining nut having an internal thread engaging the external thread of the spindle to affix the outboard bearing against axially outward displacement, the retaining nut further having an aperture; and a locking ring attached to the retaining nut, the locking ring having a pin extending through the aperture of the retaining nut, the pin engaging at least one of the plurality of openings in the washer, wherein the retaining nut includes a flange extending radially outward from the retaining nut and further wherein the aperture extends through the flange, and wherein the flange includes at least one pad extending axially inward from the flange to capture the washer.