US Patent 11274422 Wear member, edge and process of installation

Shrouds are secured to earth-working edges of many kinds of earth working equipment to extend the service life of the equipment. The shrouds include opposed surfaces to define a cavity to receive the edge. Each of the opposed surfaces includes a recess to receive a boss on the edge, wherein the longitudinal axis of the recess on the first surface is angularly oriented in a lateral direction to the longitudinal axis of the recess on the second surface.