Patent ID: 8915689

Claim:
A releasable lock nut assembly for securing a bearing on a threaded hub comprising: a thrust washer comprising: a disk portion, a peripheral skirt extending axially away from the disk portion, the peripheral skirt having a plurality of openings that extend through the peripheral skirt, an integral hoop perimeter positioned away from the disk portion, and a characteristic diameter measured as the minimum external diameter of the peripheral skirt at an axial location of the openings, and a protuberance proximate to at least one of the openings; a lock ring inserted into the thrust washer, the lock ring comprising teeth on a side of the lock ring and a plurality of tangs that extend beyond a lock ring major diameter such that the tangs fit within the openings of the thrust washer; and a biasing spring inserted into the thrust washer, the biasing spring forces the lock ring away from the disk portion of the thrust washer, wherein the protuberance is positioned such that all of the peripheral skirt is within the characteristic diameter, the protuberance defines an internal envelope of the thrust washer, the internal envelope is larger than the major diameter of the lock ring.