US Patent 10100498 Lip and shroud assembly

A lip for an excavation bucket, the lip comprising: an upper and a lower surface that extend to a digging edge; and a plurality of mounting sections for mounting shrouds to the lip to protect the digging edge against wear, at least one of the mounting sections comprising first and second bearing surfaces on one of the upper or lower surfaces of the lip and configured to have a shroud bear against when mounted to the mounting section, wherein the first and second bearing surfaces are inclined with respect to one another.