Rolling cutter with bottom support
First Claim
Patent Images
1. A cutting element assembly, comprising:
- a sleeve;
a lining extending a distance axially from an end of the sleeve, wherein the lining is separate from the sleeve; and
an inner cutter, comprising;
a cutting end, wherein the cutting end extends a depth from a cutting face;
a side surface; and
a body;
wherein the body is at least partially disposed within the sleeve;
wherein the side surface of the cutting end interfaces with an interfacing surface of the lining; and
wherein the lining is positioned adjacent to an outer surface of the sleeve, such that the interfacing surface of the lining interfaces the side surface of the inner cutter and the outer surface of the sleeve.
2 Assignments
0 Petitions
Accused Products
Abstract
A cutting element assembly includes a sleeve, a lining extending a distance axially from an end of the sleeve, and an inner cutter. The inner cutter has a cutting end, wherein the cutting end extends a depth from a cutting face, a side surface, and a body, wherein the body is at least partially disposed within the sleeve, and wherein the side surface of the cutting end interfaces with an interfacing surface of the lining.
-
Citations
18 Claims
-
1. A cutting element assembly, comprising:
-
a sleeve;
a lining extending a distance axially from an end of the sleeve, wherein the lining is separate from the sleeve; andan inner cutter, comprising; a cutting end, wherein the cutting end extends a depth from a cutting face; a side surface; and
a body;wherein the body is at least partially disposed within the sleeve; wherein the side surface of the cutting end interfaces with an interfacing surface of the lining; and wherein the lining is positioned adjacent to an outer surface of the sleeve, such that the interfacing surface of the lining interfaces the side surface of the inner cutter and the outer surface of the sleeve. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A drill bit, comprising:
-
a bit body having a plurality of blades extending radially therefrom; at least one cutting element disposed in a cutter pocket formed on the plurality of blades, wherein the at least one cutting element comprises; a sleeve; a lining extending a distance axially from an end of the sleeve, wherein the lining is separate from the sleeve; and an inner cutter, comprising; a cutting end, wherein the cutting end extends a depth from a cutting face; a side surface; and a body; wherein the body is at least partially disposed within the sleeve; wherein the side surface of the cutting end interfaces with an interfacing surface of the lining; and wherein the lining is positioned adjacent to an outer surface of the sleeve, such that the interfacing surface of the lining interfaces the side surface of the inner cutter and the outer surface of the sleeve. - View Dependent Claims (10, 11, 12)
-
-
13. A cutting element assembly, comprising:
-
a support structure, comprising; a sleeve portion; and a lining portion extending a distance axially from the sleeve portion;
wherein the support structure has a non-uniform wall thickness; andan inner cutter partially disposed within the support structure, the inner cutter comprising; a cutting end, wherein the cutting end extends a depth from a cutting face; a side surface; and
a body;wherein the lining portion extends around less than an entire circumference of the cutting end; wherein the sleeve portion extends around an entire circumference of the body; and wherein the lining is positioned adjacent to an outer surface of the sleeve, such that the interfacing surface of the lining interfaces the side surface of the inner cutter and the outer surface of the sleeve. - View Dependent Claims (14, 15, 16, 17, 18)
-
Specification