Implement Wear Member

Abstract

A wear member that includes a body having front, rear, top, bottom, inner side and outer side portions. The wear member includes a front face on the front portion, and a rear face on the rear portion. The wear member includes a front bottom edge, a rear bottom edge parallel to the front bottom edge, an inner bottom edge, and an outer bottom edge. The wear member includes a bottom face between the front bottom edge, the rear bottom edge, the inner bottom edge, and the outer bottom edge. The wear member includes a bottom wear edge between the outer bottom edge and the inner bottom edge and parallel to the front and rear bottom edges. The wear member includes a bottom wear surface and a bottom cutaway surface. A bottom cutaway surface angle between the bottom cutaway surface and the rear face is at most 150 degrees.

1 . A wear member for an earth-working implement, the wear member comprising:
 a body having front, rear, top, bottom, inner side and outer side portions;   a front face defined on the front portion and extending between the top portion, the bottom portion, the inner side portion, and the outer side portion;   a rear face defined on the rear portion and extending between the top portion, the bottom portion, the inner side portion, and the outer side portion, the rear face being substantially parallel to the front face;   a front bottom edge defined along at least a portion of a front bottom interface between the front portion and the bottom portion, the front bottom edge aligned with a longitudinal axis;   a rear bottom edge defined along at least a portion of a rear bottom interface between the bottom portion and the rear portion, the rear bottom edge substantially parallel to the front bottom edge;   an inner bottom edge defined along at least a portion of an inner bottom interface between the inner side portion and the bottom portion;   an outer bottom edge defined along at least a portion of an outer bottom interface between the outer side portion and the bottom portion;   a bottom face defined on the bottom portion, the bottom face extending between the front bottom edge, the rear bottom edge, the inner bottom edge, and the outer bottom edge;   a bottom wear edge disposed on the bottom face between the front bottom edge and the rear bottom edge, the bottom wear edge extending between the outer bottom edge and the inner bottom edge substantially parallel to the front and rear bottom edges;   a bottom wear surface defined on the bottom face between the front bottom edge and the bottom wear edge; and   a bottom cutaway surface defined on the bottom face between the rear bottom edge and the bottom wear edge;   wherein a bottom cutaway surface angle, measured as the obtuse angle between the bottom cutaway surface and the rear face, is at most about 150 degrees.   
     
     
         2 . The wear member of  claim 1 , wherein the bottom cutaway surface angle is in a range between about 90 degrees and about 150 degrees. 
     
     
         3 . The wear member of  claim 1 , wherein the bottom cutaway surface angle is in a range between about 135 degrees and about 150 degrees. 
     
     
         4 . The wear member of  claim 1 , wherein the front face defines a front face plane and the bottom cutaway surface defines a bottom cutaway surface plane, and wherein a wear angle, measured between the front face plane and the bottom cutaway surface plane, is in a range between about 30 degrees and about 90 degrees. 
     
     
         5 . The wear member of  claim 1  further comprising:
 a front inner side edge defined along a front inner side interface between the inner side portion and the front portion, at least a portion of the front inner side edge being aligned along a lateral axis defined perpendicular to the longitudinal axis; and 
 an inner bottom wear edge defined along the inner bottom edge adjacent the bottom wear surface between the front bottom edge and the bottom wear edge, the inner bottom wear edge being aligned along a normal axis defined perpendicular to both the lateral axis and the longitudinal axis. 
 
     
     
         6 . The wear member of  claim 5 , wherein a ratio between a bottom wear edge depth, measured along the normal axis between the front face and the bottom wear edge, and a body thickness, measured along the normal axis between the front face and the rear face, is in a range between about 0:1 and about 3:10. 
     
     
         7 . The wear member of  claim 5 , wherein a ratio between a bottom wear edge depth, measured along the normal axis between the front face and the bottom wear edge, and a body thickness, measured along the normal axis between the front face and the rear face, is at most about 1:5. 
     
     
         8 . The wear member of  claim 1 , wherein the body is configured to be mounted to a mounting edge of the earth-working implement so as to engage a work surface, and wherein a cutaway work surface angle, measured between the bottom cutaway surface and the work surface, is less than about 3 degrees. 
     
     
         9 . The wear member of  claim 1 , wherein the body is configured to be mounted to a mounting edge of the earth-working implement so as to engage a work surface, and wherein a cutaway work surface angle, measured between the bottom cutaway surface and the work surface, is at most 2 degrees. 
     
     
         10 . The wear member of  claim 1  further comprising:
 a front top edge defined along a front top interface between the front portion and the top portion, the front top edge being substantially parallel to the front bottom edge; 
 a lower cutout edge disposed on the front face between the front top edge and the front bottom edge and substantially parallel to the front bottom edge; and 
 a cutout formed in the front face and delimited by the lower cutout edge and the front top edge. 
 
     
     
         11 . The wear member of  claim 1 , wherein the bottom cutaway surface angle is in a range between about 90 degrees and about 150 degrees. 
     
     
         12 . The wear member of  claim 1  further comprising:
 a front top edge defined along a front top interface between the front portion and the top portion, the front top edge being substantially parallel to the front bottom edge; 
 a lower cutout edge disposed on the front face between the front top edge and the front bottom edge and substantially parallel to the front bottom edge; 
 an upper cutout edge disposed on the front face between the front top edge and the lower cutout edge, the upper cutout edge substantially parallel to the top edge; and 
 a cutout formed in the front face and delimited by the upper cutout edge and the lower cutout edge. 
 
     
     
         13 . The wear member of  claim 12 , wherein the bottom cutaway surface angle is in a range between about 90 degrees and about 150 degrees. 
     
     
         14 . A wear member for an earth-working implement, the wear member comprising:
 a body having front, rear, top, bottom, inner side and outer side portions;   a front bottom edge defined along at least a portion of a front bottom interface between the front portion and the bottom portion, the front bottom edge aligned with a longitudinal axis;   a front top edge defined along a front top interface between the front portion and the top portion, the front top edge being substantially parallel to the front bottom edge;   a rear bottom edge defined along at least a portion of a rear bottom interface between the bottom portion and the rear portion, the rear bottom edge substantially parallel to the front bottom edge;   an inner bottom edge defined along at least a portion of an inner bottom interface between the inner side portion and the bottom portion;   an outer bottom edge defined along at least a portion of an outer bottom interface between the outer side portion and the bottom portion;   a front face defined on the front portion between the front top edge and the front bottom edge, the front face including a front lower surface and a cutout surface;   a rear face defined on the rear portion and extending between the top portion, the bottom portion, the inner side portion, and the outer side portion, the rear face being substantially parallel to the front face;   a cutout formed in the front face defining the cutout surface between the front lower surface and the front top edge, the cutout surface extending between the inner side portion and the outer side portion and being offset from the front lower surface in a direction toward the rear face;   a bottom face defined on the bottom portion, the bottom face extending between the front bottom edge, the rear bottom edge, the inner bottom edge, and the outer bottom edge;   a bottom wear edge disposed on the bottom face between the front bottom edge and the rear bottom edge, the bottom wear edge extending between the outer bottom edge and the inner bottom edge substantially parallel to the front and rear bottom edges;   a bottom wear surface defined on the bottom face between the front bottom edge and the bottom wear edge;   a bottom cutaway surface defined on the bottom face between the rear bottom edge and the bottom wear edge;   wherein the body is configured to be mounted to a mounting edge of the earth-working implement, and wherein the bottom cutaway surface is defined on the bottom face between the rear bottom edge and the bottom wear edge, and a bottom cutaway surface angle, measured as the obtuse angle between the bottom cutaway surface and the rear face, is at most about 150 degrees.   
     
     
         15 . The wear member of  claim 14 , wherein the bottom cutaway surface angle is in a range between about 90 degrees and about 150 degrees. 
     
     
         16 . The wear member of  claim 14 , wherein the body is configured to be mounted to a mounting edge of the earth-working implement so as to engage a work surface, and wherein a cutaway work surface angle, measured between the bottom cutaway surface and the work surface, is at most 2 degrees. 
     
     
         17 . The wear member of  claim 14 , wherein the cutout surface is substantially parallel to the rear surface and the front lower surface, and wherein a ratio between a lower body thickness, measured between the front lower surface and the rear surface, and a cutout thickness, measured between the cutout surface and the rear surface, is in a range between about 1:1 and about 3:2. 
     
     
         18 . The wear member of  claim 14  further comprising:
 a lower cutout edge disposed on the front face between the front lower surface and the cutout surface, the lower cutout edge substantially parallel to the front bottom edge 
 an upper cutout edge disposed on the front face between the front top edge and the lower cutout edge, the upper cutout edge substantially parallel to the front top edge; and 
 a front upper surface defined on the front face between the upper cutout edge and the front top edge, the front upper surface and the front lower surface being substantially co-planar. 
 
     
     
         19 . The wear member of  claim 18 , wherein the bottom cutaway surface angle is in a range between about 135 degrees and about 150 degrees. 
     
     
         20 . A wear member for an earth-working implement, the wear member comprising:
 a body having front, rear, top, bottom, inner side and outer side portions;   a front bottom edge defined along at least a portion of a front bottom interface between the front portion and the bottom portion, the front bottom edge aligned with a longitudinal axis;   a front top edge defined along at least a portion of a front top interface between the front portion and the top portion, the front top edge substantially parallel to the front bottom edge;   a front inner side edge defined along at least a portion of a front inner side interface between the inner side portion and the front portion;   a front outer side edge defined along at least a portion of a front outer side interface between the outer side portion and the front portion;   a rear bottom edge defined along at least a portion of a rear bottom interface between the bottom portion and the rear portion, the rear bottom edge substantially parallel to the front bottom edge;   a rear top edge defined along at least a portion of a rear top interface between the top portion and the rear portion, the rear top edge substantially parallel to the front top edge;   a rear inner side edge defined along at least a portion of a rear inner side interface between the inner side portion and the rear portion;   a rear outer side edge defined along at least a portion of a rear outer side interface between the outer side portion and the rear portion;   an inner bottom edge defined along at least a portion of an inner bottom interface between the inner side portion and the bottom portion;   an outer bottom edge defined along at least a portion of an outer bottom interface between the outer side portion and the bottom portion;   a front face defined on the front portion, the front face extending between the front inner side edge, the front outer side edge, the front top edge, and the front bottom edge;   a rear face defined on the rear portion, the rear face extending between the rear inner side edge, the rear outer side edge, the rear top edge, and the rear bottom edge;   a bottom face defined on the bottom portion, the bottom face extending between the front bottom edge, the rear bottom edge, the inner bottom edge, and the outer bottom edge;   a bottom wear edge disposed on the bottom face between the front bottom edge and the rear bottom edge, the bottom wear edge extending between the outer bottom edge and the inner bottom edge substantially parallel to the front and rear bottom edges;   a bottom wear surface defined on the bottom face between the front bottom edge and the bottom wear edge; and   a bottom cutaway surface defined on the bottom face between the rear bottom edge and the bottom wear edge, wherein a bottom cutaway surface angle, measured as the obtuse angle between the bottom cutaway surface and the rear face, is about 143 degrees.