Patent · US Active

Motor bit system

US7971661B2 · kind B2 · utility

16Cited by
59References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 13, 2008
Grant dateJul 5, 2011
Priority date
Expiry dateJun 28, 2029

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B17/1092
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

The drill bit system may include a chassis, a head, and a first plurality of gauge pads. The chassis may be configured to be operably coupled with a first rotational motion source. The head may include a first plurality of cutters coupled with an end of the head, and the head may be rotatably coupled with chassis. The head may be configured to be operably coupled with a second rotational motion source. The first plurality of gauge pads may include a second plurality of cutters, and the first plurality of gauge pads may be fixedly coupled with the chassis.

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