Wear assembly, digging edge and inserts for earth working equipment

A wear member for earth working equipment comprising at least one leg and a mounting configuration which together define a cavity to receive a base of the earth working equipment, the at least one leg extends rearwardly over the base, and the mounting configuration is proximate a front of the cavity, wherein the mounting configuration includes a pair of laterally-spaced, rearwardly converging side bearing surfaces and a rear bearing surface between the side bearing surfaces, the side bearing surfaces and the rear bearing surface each bear against a complementary support of the base on which the wear member is mounted, the rear bearing surface is curved in a vertical direction away from the at least one leg to define a curved upper profile and a curved lower profile, and one of the upper or lower profiles has a tighter curvature than the other of the upper or lower profiles.

A wear member for earth working equipment comprising at least one leg and a mounting configuration which together define a cavity for receiving a base of the earth working equipment, the at least one leg extends rearwardly over the base, and the mounting configuration is at a front of the cavity, wherein the mounting configuration includes a pair of side bearing surfaces and a rear bearing surface, the side bearing surfaces and the rear bearing surface each bear against a complementary support of the base on which the wear member is mounted, the side bearing surfaces converge toward each other so as to face generally in both a rear direction and a transverse direction, and the rear bearing surface faces generally in a rear direction and has a curved, concave configuration in a side-to-side direction.

A digging edge of an earth working equipment comprising an inner surface, an outer surface, a leading surface, and a support on the leading surface for bearing against a wear member mounted on the digging edge, the support including two converging lateral bearing surfaces and a forwardly-facing front bearing surface, wherein the lateral bearing surfaces define a gap extending from the inner surface to the outer surface to receive a portion of the wear member, and the front bearing surface has a curved, convex shape in a side-to-side direction.

A digging edge of an earth working equipment comprising an inner surface, an outer surface, a leading surface, and a support on the leading surface for bearing against a wear member mounted on the digging edge, the support including a pair of laterally-spaced, rearwardly converging lateral bearing surfaces and a front bearing surface between the lateral bearing surfaces, wherein the lateral bearing surfaces define a gap extending from the inner surface to the outer surface to receive a portion of the wear member, and the front bearing surface is curved in a direction from the inner surface to the outer surface so as to define a curved upper profile and a curved lower profile, and one of the upper or lower profiles has a tighter curvature than the other of the upper or lower profile.

An insert for installation onto a digging edge of a bucket for earth working equipment, the insert comprising a main body and two forwardly projecting arms, wherein a front surface of the main body extends from one arm to the other arm so as to be curved and convex in a side-to-side direction extending between the two arms, each of the arms includes an inward facing lateral bearing surface, the lateral bearing surfaces diverge in a direction away from the front surface, the front surface is curved between the arms in a direction transverse to the side-to-side direction so as to define an upper curved profile and a lower curved profile, one of the upper or lower curved profiles has a tighter curvature than the other of the upper or lower curved profiles, and the front surface and the lateral bearing surfaces collectively define a gap to receive a wear member that bears against the front surface and the later bearing surfaces during a digging operation.

A wear member for earth working equipment comprising at least one leg and a mounting configuration which together define a cavity to receive a base of the earth working equipment, the at least one leg extends rearwardly over the base, and the mounting configuration is proximate a front of the cavity to bear against a complementary support of the base on which the wear member is mounted, wherein the mounting configuration includes a pair of laterally-spaced side bearing surfaces and a rear bearing surface extending between the side bearing surfaces, the rear bearing surface is concave in a side-to-side direction between the side bearing surfaces, the at least one leg includes a hole for receiving a lock to secure the wear member to the base, and at least part of the rear bearing surface in a side-to-side direction conforms to a radius of curvature that originates at a location aligned with the hole.

A wear member for earth working equipment comprising at least one leg and a mounting configuration which together define a cavity to receive a base of the earth working equipment, the at least one leg extends rearwardly over the base, and the mounting configuration is proximate a front of the cavity to bear against a complementary support of the base on which the wear member is mounted, wherein the mounting configuration includes a pair of laterally-spaced side bearing surfaces and a rear bearing surface extending between the side bearing surfaces, the rear bearing surface is concave in a side-to-side direction between the side bearing surfaces, the at least one leg includes a hole for receiving a lock to secure the wear member to the base, and the side bearing surfaces converge in a rearward direction at an angle where extensions of the two inner bearing surfaces intersect each other at a location aligned with the hole.

A wear member for earth working equipment comprising at least one leg and a mounting configuration which together define a cavity to receive a base of the earth working equipment, the at least one leg extends rearwardly over the base, and the mounting configuration is proximate a front of the cavity to bear against a complementary support of the base on which the wear member is mounted, wherein the mounting configuration includes a rear bearing surface curved in a vertical direction away from the at least one leg to define a curved upper profile and a curved lower profile, one of the upper or lower profiles has a tighter curvature than the other of the upper or lower profiles, the at least one leg includes a hole for receiving a lock to secure the wear member to the base, and at least part of the rear bearing surface in a side-to-side direction conforms to a radius of curvature that originates at a location that aligns with the hole.

A wear member for earth working equipment comprising at least one leg and a mounting configuration which together define a cavity to receive a base of the earth working equipment, the at least one leg extends rearwardly over the base, and the mounting configuration is proximate a front of the cavity to bear against a complementary support of the base on which the wear member is mounted, wherein the mounting configuration includes a rear bearing surface curved in a vertical direction away from the at least one leg to define a curved upper profile and a curved lower profile, wherein one of the upper or lower profiles has a tighter curvature than the other of the upper or lower profiles, the at least one leg includes a hole for receiving a lock to secure the wear member to the base, and at least part of the rear bearing surface in a side-to-side direction conforms to a radius of curvature that originates at a location which aligns with the hole.

A digging edge of an earth working equipment comprising an inner surface, an outer surface, a leading surface, a hole for receiving a lock to secure the wear member to the digging edge, and a support proximate the leading surface for bearing against a wear member mounted on the digging edge, the support including two converging lateral bearing surfaces and a forwardly-facing front bearing surface, wherein the front bearing surface has a convex shape in a side-to-side direction, and at least part of the front bearing surface in a side-to-side direction conforms to a radius of curvature that originates in the hole.