| abstract |
A fastener assembly includes (a) a fastener that includes a non-circular portion centered about a longitudinal axis and configured to engage a torque transmitting tool, a frustoconical load-bearing surface that extends radially outward from the longitudinal axis, and a threaded portion, which is centered around the longitudinal axis; (b) a metallic frustoconical thrust washer which has a concave surface which is located adjacent to the load bearing surface of the fastener and which has a convex surface; and (c) a thrust ring having a flange, a frusto-conical load-bearing surface formed by the flange and located adjacent the convex surface of the thrust washer, and a frusto-conical portion which is appropriately aligned to contact a complementary recess in a workpiece , includes. |