Hole opener bearing arrangement
US9611698B2 · kind B2 · utility
3Cited by
31References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2012 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | Aug 17, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4973
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present disclosure provides a back reamer roller cone that is configured so that the bearings assemblies therein can be relatively easily removed and replaced. Methods of replacing the bearing assemblies in a back reamer are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.