Wear runner style wear member assembly and methods

Abstract

Some embodiments of the present disclosure include a wear member assembly for ground engaging equipment. The wear member assembly may include a wear member and base. The wear member may include a projection projecting downward from a bottom surface and having an internally disposed first securement ramp spaced from the first lateral side and from the second lateral side. The base may include an aperture extending from the second top surface to the second bottom surface and having a second securement ramp configured to contact the first securement ramp on the wear member. The wear member and base may each have a lock-receiver opening extending therethrough that align when the wear member is seated on the base. A locking pin may be fittable in the lock-receiver openings of the wear member and base. The first securement ramp of the wear member may contact the second securement ramp of the base.

What is claimed is: 
     
         1 . A wear member assembly for ground engaging equipment, comprising:
 a wear member, comprising:
 a first top wear surface; 
 a first bottom surface opposite the top wear surface; 
 a first lateral side; 
 a second lateral side opposite the first lateral side; 
 a projection projecting downward from the bottom surface, the projection comprising an internally disposed first securement ramp spaced from the first lateral side and from the second lateral side; and 
 a first lock-receiver opening extending from the first top wear surface to the first bottom surface; 
   a base, comprising:
 a second top surface; 
 a second bottom surface; 
 an aperture extending from the second top surface to the second bottom surface, wherein the aperture comprises a second securement ramp configured to contact the first securement ramp on the wear member; and 
 a second lock-receiver opening extending from the second top surface to the second bottom surface; and 
   a locking pin fittable in the first lock-receiver opening and the second lock-receiver opening;   wherein the first securement ramp of the wear member contacts the second securement ramp of the base, and   wherein the first lock-receiver opening of the wear member aligns with the second lock-receiver opening of the base when the wear member is in a use configuration on the base.   
     
     
         2 . The wear member assembly of  claim 1 , wherein the wear member further comprises a wall projecting downward from the bottom surface and extending around at least a portion of a perimeter of the wear member, wherein the wall extends along a first front end of the wear member. 
     
     
         3 . The wear member assembly of  claim 2 ,
 wherein the base further comprises at least one twist control surface disposed on a perimeter of the base, and   wherein the at least one twist control surface is configured to contact an inner surface of the wall.   
     
     
         4 . The wear member assembly of  claim 2 , wherein the wall comprises a third securement ramp. 
     
     
         5 . The wear member assembly of  claim 4 , wherein the base comprises a fourth securement ramp disposed along a second front end of the base. 
     
     
         6 . The wear member assembly of  claim 5 , wherein the third securement ramp of the wear member is configured to contact the fourth securement ramp of the base. 
     
     
         7 . The wear member assembly of  claim 1 , wherein the first lock-receiver opening of the wear member comprises a fifth ramp. 
     
     
         8 . The wear member assembly of  claim 7 , wherein the second lock-receiver opening of the base comprises a sixth ramp. 
     
     
         9 . The wear member assembly of  claim 8 , wherein the fifth ramp of the wear member aligns with the sixth ramp of the base such that the fifth ramp and the sixth ramp form a single ramp. 
     
     
         10 . The wear member assembly of  claim 9 , wherein the locking pin comprises a seventh ramp configured to slide along the single ramp. 
     
     
         11 . A wear member assembly for ground engaging equipment, comprising:
 a wear member, comprising:
 a first top wear surface; 
 a first bottom surface opposite the top wear surface; 
 a first lateral side; 
 a second lateral side opposite the first lateral side; 
 a projection projecting downward from the bottom surface, the projection comprising an internally disposed first push-out ramp spaced from the first lateral side and from the second lateral side; and 
 a first lock-receiver opening extending from the first top wear surface to the first bottom surface; 
   a base, comprising:
 a second top surface; 
 a second bottom surface; 
 an aperture extending from the second top surface to the second bottom surface, wherein the aperture comprises a second push-out ramp configured to contact the first push-out ramp on the wear member; and 
 a second lock-receiver opening extending from the second top surface to the second bottom surface; and 
   a locking pin fittable in the first lock-receiver opening and the second lock-receiver opening;   wherein the first push-out ramp of the wear member contacts the second push-out ramp of the base, and   wherein the first lock-receiver opening of the wear member aligns with the second lock-receiver opening of the base when the wear member is in a use configuration on the base.   
     
     
         12 . The wear member assembly of  claim 11 , wherein the wear member comprises a third push-out ramp. 
     
     
         13 . The wear member assembly of  claim 12 , wherein the base comprises a fourth push-out ramp. 
     
     
         14 . The wear member assembly of  claim 13 , wherein the third push-out ramp of the wear member is configured to contact the fourth push-out ramp of the base. 
     
     
         15 . The wear member assembly of  claim 12 , wherein the wear member further comprises a wall projecting downward from the bottom surface and extending around at least a portion of a perimeter of the wear member, wherein the wall extends along a first front end of the wear member. 
     
     
         16 . The wear member assembly of  claim 15 ,
 wherein the base further comprises at least one twist control surface disposed on a perimeter of the base, and   wherein the at least one twist control surface is configured to contact the wall.   
     
     
         17 . The wear member assembly of  claim 11 , wherein the projection of the wear member comprises a first securement ramp. 
     
     
         18 . The wear member assembly of  claim 17 , wherein the aperture of the base comprises a second securement ramp. 
     
     
         19 . The wear member assembly of  claim 18 , wherein the first securement ramp of the wear member is configured to contact the second securement ramp of the base. 
     
     
         20 . The wear member assembly of  claim 11 , wherein the first lock-receiver opening of the wear member comprises a fifth ramp. 
     
     
         21 . The wear member assembly of  claim 20 , wherein the second lock-receiver opening of the base comprises a sixth ramp. 
     
     
         22 . The wear member assembly of  claim 21 , wherein the fifth ramp of the wear member aligns with the sixth ramp of the base such that the fifth ramp and the sixth ramp form a single ramp. 
     
     
         23 . The wear member assembly of  claim 22 , wherein the locking pin comprises a seventh ramp configured to slide along the single ramp. 
     
     
         24 . The wear member assembly of  claim 11 , wherein the locking pin comprises:
 a pin comprising:
 a cavity; 
   a first flange extending outward from the pin;   a second flange extending outward from the pin, the second flange is radially spaced from the first flange;   a lock disposed within the cavity and comprising:
 a locking tab; and 
 a compressible base coupled to the locking tab, wherein the compressible base is disposed within the cavity such that the tab extends outward from the cavity, 
   
       wherein the cavity is radially spaced from the first flange and the second flange. 
     
     
         25 . The wear member assembly of  claim 24 ,
 wherein the first flange comprises:
 a first gradual ramp on a top surface of the first flange; and 
 a first steep ramp on the top surface, 
 wherein the first steep ramp is steeper than the first gradual ramp; and 
   wherein the second flange comprises:
 a second gradual ramp on a top surface of the second flange; and 
 a second steep ramp on the top surface, 
   wherein the second steep ramp is steeper than the second gradual ramp.