US2017241108A1PendingUtilityA1

Ground Engaging Machine

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Assignee: CATERPILLAR INCPriority: Feb 19, 2016Filed: Feb 19, 2016Published: Aug 24, 2017
Est. expiryFeb 19, 2036(~9.6 yrs left)· nominal 20-yr term from priority
E02F 9/2883E02F 9/2808E02F 9/2858E21C 35/183E02F 9/285A01B 23/02E02F 3/40E02F 3/308E21B 10/46A01B 15/00E21C 35/1831
32
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Claims

Abstract

A ground engaging tooth for a ground engaging machine is disclosed. The ground engaging tooth may comprise a non-ground-engaging end, a ground-engaging end, a body extending between the non-ground-engaging end, the ground-engaging end, a top surface, a bottom surface, a left surface and a right surface. Further, the ground engaging tooth may comprise a coupling side including a pocket configured to receive a retaining device. Moreover, the ground engaging tooth may comprise a wear side including an integral-wear-insert. The integral-wear-insert may longitudinally extend along the bottom surface towards the ground-engaging end and vertically extend towards the top surface at the ground-engaging end.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A ground engaging tooth for a ground engaging machine, comprising:
 a non-ground-engaging end;   a ground-engaging end opposite the non-ground-engaging end;   a body, the body extending between the non-ground-engaging end, the ground engaging end, a top surface, a bottom surface, a left surface and a right surface;   a longitudinal axis, the longitudinal axis extending lengthwise through the body;   a separation plane, the separation plane extending through the body orthogonal to the longitudinal axis and being positioned between the non-ground-engaging end and the ground engaging end;   a coupling side, the coupling side extending between the non-ground engaging end, the separation plane, the top surface, the bottom surface, the left surface and the right surface, the coupling side including a pocket configured to receive a retaining device;   a wear side, the wear side extending between the ground-engaging end, the separation plane, the top surface, the bottom surface, the left surface and the right surface, the wear side including an integral-wear-insert, the integral-wear-insert longitudinally extends along the bottom surface towards the ground-engaging end and vertically extends towards the top surface at the ground-engaging end.   
     
     
         2 . The ground engaging tooth according to  claim 1 , wherein the integral-wear-insert horizontally extends between the left surface and the right surface at the ground-engaging end and wherein the integral-wear-insert further horizontally extends between the left surface and the right surface along the bottom surface. 
     
     
         3 . The ground engaging tooth according to  claim 1 , wherein the integral-wear-insert includes a longitudinal thickness at the ground-engaging end and a vertical thickness along the bottom surface. 
     
     
         4 . The ground engaging tooth according to  claim 3 , wherein the vertical thickness increases as the integral-wear-insert longitudinally extends away from the ground-engaging end towards the separation plane. 
     
     
         5 . The ground engaging tooth according to  claim 1 , wherein the integral-wear-insert is a cast-in-place-integral-wear-insert. 
     
     
         6 . The ground engaging tooth according to  claim 1 , wherein the integral-wear-insert comprises a first material and the remaining body comprises a second material. 
     
     
         7 . The ground engaging tooth according to  claim 6 , wherein the first material comprises a abrasion resistance greater than the second material. 
     
     
         8 . The ground engaging tooth according to  claim 6 , wherein the first material is selected from a group consisting of white iron, tungsten carbide and aluminum oxide. 
     
     
         9 . The ground engaging tooth according to  claim 1 , wherein the integral-wear-insert comprises between about 5% by volume and about 15% by volume of the wear side. 
     
     
         10 . A bucket for a ground engaging machine, comprising:
 a first member, the first member including a through-bore about which the bucket may rotate;   a casing, the casing attached to and extending away from the first member and ending at a top edge, a left edge, a right edge and an engagement edge, the casing configured to carry a material being worked on;   a ground engaging tooth, the ground engaging tooth fixedly attached to the bucket along the engagement edge configured to engage the material being worked on, the ground engaging tooth including a wear side extending between a ground-engaging end, a separation plane, a top surface, a bottom surface, a left surface and a right surface, the wear side including an integral-wear-insert that longitudinally extends along the bottom surface towards the ground-engaging end and vertically extends towards the top surface at the ground-engaging end.   
     
     
         11 . The bucket according to  claim 10 , wherein the integral-wear-insert horizontally extends between the left surface and the right surface at the ground-engaging end and further wherein the integral-wear-insert extends between the left surface and the right surface along the bottom surface. 
     
     
         12 . The bucket according to  claim 10 , wherein the integral-wear-insert includes a longitudinal thickness at the ground-engaging end and a vertical thickness along the bottom surface and further wherein the vertical thickness increases as the integral-wear-insert longitudinally extends away from the ground-engaging end towards the separation plane. 
     
     
         13 . The bucket according to  claim 10 , wherein the integral-wear-insert is a cast-in-place-integral-wear-insert. 
     
     
         14 . The bucket according to  claim 13 , wherein the cast-in-place-integral-wear-insert comprises a first material and the remaining wear side comprises a second material and further wherein the first material comprises a abrasion resistance greater than the second material. 
     
     
         15 . The bucket according to  claim 10 , wherein the integral-wear-insert comprises between about 5% by volume and 15% by volume of the wear side. 
     
     
         16 . A ground engaging machine, comprising:
 a frame;   a power source supported by the frame;   a motive device operatively associated with the power source configured to transfer energy of the power source to ground;   an arm having a first end and a second end opposite the first end, the first end rotatably associated with the frame;   a bucket, the bucket operatively coupled to the second end and including an engagement edge;   a ground engaging tooth fixedly attached to the bucket along the engagement edge configured to engage a material worked on, the ground engaging tooth including a wear side extending between a ground-engaging end, a separation plane, a top surface, a bottom surface, a left surface and a right surface, the wear side including a cast-in-place-integral-wear-insert that longitudinally extends along the bottom surface towards the ground-engaging end and vertically extends towards the top surface at the ground-engaging end, wherein the ground engaging tooth with the cast-in-place-integral-wear-insert has a Wear Factor between about 1.5 and about 3.0.   
     
     
         17 . The ground engaging machine according to  claim 16 , wherein the cast-in-place-integral-wear-insert has a Pitch Factor about −1.0 and about −4.0. 
     
     
         18 . The ground engaging machine according to  claim 16 , wherein the cast-in-place-integral-wear-insert has a Sharpness Factor between about 1.0 and about 3.0. 
     
     
         19 . The ground engaging machine according to  claim 16 , wherein the cast-in-place-integral-wear-insert horizontally extends between the left surface and the right surface at the ground-engaging end, wherein the cast-in-place-integral-wear-insert extends between the left surface and the right surface along the bottom surface, wherein the cast-in-place-integral-wear-insert includes a longitudinal thickness at the ground-engaging end and a vertical thickness along the bottom surface, wherein the vertical thickness increases as the cast-in-place-integral-wear-insert longitudinally extends away from the ground-engaging end towards the separation plane, wherein the cast-in-place-integral-wear-insert comprises a first material and the remaining wear side comprises a second material and further wherein the first material comprises a abrasion resistance greater than the second material. 
     
     
         20 . The ground engaging machine according to  claim 16 , wherein the cast-in-place-integral-wear-insert comprises between about 5% by volume and 15% by volume of the wear side.

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