Patent ID: 7029218

Claim:
A locking fastener assembly comprising: a threaded member having a slot and a longitudinal axis; a threaded rotatable fastener having a flange, said flange having a periphery and including at least one aperture extending through the flange, wherein said threaded rotatable fastener is engageable with said threaded member, said flange further including a notch along the periphery of said flange, wherein there is an angle between the radial location of said notch and the radial location of said at least one aperture; a retainer having an outer margin defining a plurality of notches, said retainer further including a protruding member, wherein said protruding member is engageable with said slot on said threaded member and wherein said notch on said rotatable fastener and said plurality of notches on said retainer are substantially the same size in a plane transverse to said longitudinal axis; and a locking pin, wherein said locking pin is engageable with said at least one aperture in said flange and said at least one of said notches in said retainer, wherein said locking pin is aligned with said at least one notch in said retainer when said notch on said flange is aligned with at least one notch on said retainer.