Roller reamer apparatus
US4398610A · kind A · utility
5Cited by
5References
2Claims
0Family size
Inventor
Key dates
| Filing date | Apr 2, 1981 |
| Grant date | Aug 16, 1983 |
| Priority date | — |
| Expiry date | Apr 2, 2001 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/24
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A roller reamer assembly for mounting in a longitudinally extending undercut groove in a reamer body and having longitudinally slidable bearing blocks with cooperating locking members for securing the bearing blocks in the groove upon longitudinal movement of the bearing blocks to prevent undesired longitudinal and radial movement of the bearing blocks and an automatic lubricating system for the bearing blocks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.