Patent ID: 6220801
Filing Date: 2001-04-24
Classification: F16B

Abstract:
A locking and tightness indicating locking nut assembly comprising:a) a body portion having a base, a seat extending outwardly from a side of the base and having a conical outer surface decreasing in cross-section in a direction away from the base and an upper end, and a threaded hole extending through the base and the seat for engagement with a threaded member;b) a cap having a tapered hole extending partially through a thickness thereof, the tapered hole bounded by a conical inner surface in contact with the conical outer surface of the seat, the cap also having an annular surface extending from an inner end of the tapered hole and a chamfer extending from the annular surface, whereby the upper end engages the chamfer to attach the cap to the body portion such that the cap and body portion are rotatable relative to each other;c) a first surface on the base portion; and,d) a second surface on the cap facing toward the first surface, the first and second surfaces being spaced apart so as to form a tightness indicating clearance therebetween.