Wear assembly for earth working equipment

Abstract

A wear cap for protecting the wearable surface of a base includes an outer wear surface, a front wall, a rear wall, two side surfaces, an inner mounting surface, and a plurality of cleats. A base includes a plurality of grooves that mate with the plurality of cleats. The cleats and grooves can be vertically and axially spaced on opposite sides of one another. The cleats and grooves can be V-shaped.

1 . A wear cap for mounting to a base for earth working equipment, the wear cap comprising a forward end, a rearward end, laterally spaced rearward cleats adjacent the rearward end, and laterally spaced forward cleats adjacent the forward end, wherein each of the rearward and forward cleats have a forward to rearward axial extension for receipt within grooves in the base, wherein the rearward cleats are offset from the forward cleats such that the axial extension of the rearward cleats are each axially non-aligned with the axial extension of the forward cleats. 
     
     
         2 . The wear cap of  claim 1  wherein the wear cap has a length extending front to rear, a width extending side to side and a depth extending inside to outside, and the rearward cleats are offset in an inside to outside direction relative to the forward cleats with the rearward cleats being outside the forward cleats. 
     
     
         3 . The wear cap of  claim 1  wherein each of the rearward and forward cleats has an inner cleat surface and an outer cleat surface that converge toward each other in a lateral direction extending toward the respective laterally opposed rearward or forward cleat. 
     
     
         4 . The wear cap of  claim 1  including an outer wear surface, an inner surface to face the base, and a concave curved front wall curving at least partially between the outer wear surface and the inner surface. 
     
     
         5 . The wear cap of  claim 1  including an outer wear surface and an inner surface to face the base, wherein the rearward cleats extend rearwardly beyond the outer wear surface. 
     
     
         6 . A wear cap for mounting to a base for earth working equipment, the wear cap comprising a forward end, a rearward end, laterally spaced rearward cleats at the rearward end and laterally spaced forward cleats at the forward end, wherein each of the forward and rearward cleats includes converging surfaces converging in a lateral direction toward the other forward or rearward cleat. 
     
     
         7 . The wear cap of  claim 6  wherein the rearward cleats are offset in an inside to outside direction relative to the forward cleats with the rearward cleats being outside the forward cleats. 
     
     
         8 . A wear cap for mounting to a base for earth working equipment, the wear cap comprising an outer wear surface, an inner surface to face the base, a concave curved front wall curving at least partially between the outer and inner surfaces, a forward end, a rearward end, laterally spaced forward cleats adjacent the forward end, and laterally spaced rearward cleats adjacent the rearward end. 
     
     
         9 . The wear cap of  claim 8  wherein the rearward cleats are offset in an inside to outside direction relative to the forward cleats with the rearward cleats being outside the forward cleats. 
     
     
         10 . The wear cap of  claim 8  wherein each of the forward and rearward cleats includes converging surfaces converging in a lateral direction toward the other forward or rearward cleat. 
     
     
         11 . A base for earth working equipment, the base member comprising a forwardly projecting nose for supporting a wear member and a plurality of forward and rearward grooves rearward of the nose, each of the forward and rearward grooves having a forward to rearward extension for receiving mounting portions of a wear cap, wherein the rearward grooves are spaced rearward of the forward grooves and each have an axial extension that is axially non-aligned with an axial extension of either of the forward grooves. 
     
     
         12 . The base of  claim 11  including a pair of legs spaced apart to define a slot for receiving a digging edge. 
     
     
         13 . An adapter for earth working equipment, the adapter comprising a pair of legs spaced apart to define a slot with a longitudinal axis for receiving a digging edge, a front nose to mount a wear member, a first set of grooves proximate the nose and a second set of grooves proximate one of the legs for receiving mounting portions of a wear cap, wherein the second set of grooves is spaced farther from the longitudinal axis of the slot than the first set of grooves. 
     
     
         14 . A wear assembly for earth working equipment, the wear assembly comprising:
 a base securable to a digging edge of the earth working equipment and including a plurality of grooves; and   a wear cap including a forward end, a rearward end, laterally spaced rearward cleats adjacent the rearward end, and laterally spaced forward cleats adjacent the forward end, wherein each of the rearward and forward cleats have a forward to rearward axial extension for receipt within one of the grooves in the base, wherein the rearward cleats are offset from the forward cleats such that the axial extension of the rearward cleats are each axially non-aligned with the axial extension of the forward cleats.   
     
     
         15 . The wear assembly of  claim 14  including a wear member mounted on the base, wherein the base includes a nose and the wear member includes a cavity for receiving the nose. 
     
     
         16 . The wear assembly of  claim 14  wherein the rearward cleats are offset in an inside to outside direction relative to the forward cleats with the rearward cleats being outside the forward cleats. 
     
     
         17 . The wear cap of  claim 14  wherein each of the rearward and forward cleats has an inner cleat surface and an outer cleat surface that converge toward each other in a lateral direction extending toward the respective laterally opposed rearward or forward cleat. 
     
     
         18 . A wear assembly for earth working equipment, the wear assembly comprising a wear cap and an adapter, the adapter having a forwardly-projecting nose for mounting a wear member and a plurality of grooves each with a forward to rearward axial extension, wherein one pair of the grooves is spaced rearward and offset perpendicular to the axial extension from one other pair of grooves, and the wear cap having cleats to be received in the grooves to hold the wear cap to the base. 
     
     
         19 . The wear assembly of  claim 18  wherein the grooves and the cleats each include upper and lower surfaces that converge laterally inward. 
     
     
         20 . A wear assembly for earth working equipment comprising a base, a wear cap and a wear member, the wear cap and the wear member each being mounted on the base, the wear cap having a front wall and the wear member having a rear surface opposed to the front wall, wherein the front wall and the rear surface have complementary curvatures generally about a transverse axis along at least a portion of each of their extensions.