Earth-boring tools including passively adjustable, aggressiveness-modifying members and related methods
US10094174B2 · kind B2 · utility
4Cited by
37References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2015 |
| Grant date | Oct 9, 2018 |
| Priority date | — |
| Expiry date | Oct 20, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/627
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Earth-boring tools may include a body and a passively adjustable, aggressiveness-modifying member secured to the body. The passively adjustable, aggressiveness-modifying member may be movable between a first position in which the earth-boring tool exhibits a first aggressiveness and a second position in which the earth-boring tool exhibits a second, different aggressiveness responsive to forces acting on the passively adjustable, aggressiveness-modifying member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.