Patent · US Active

Rolling cutter with bottom support

US9464486B2 · kind B2 · utility

18Cited by

14References

18Claims

0Family size

Assignee

SMITH INTERNATIONAL, INC. · US

Inventors

Youhe Zhang · Spring, US
Chen Chen · Houston, US
Yuri Burhan · Spring, US
Jibin Shi · Spring, US

Key dates

Filing date	Dec 23, 2013
Grant date	Oct 11, 2016
Priority date	—
Expiry date	Aug 27, 2034

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B10/633
WIPO fieldCivil engineering
WIPO sectorOther fields

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.