Bit change mechanism for a drill rig
US11142970B2 · kind B2 · utility
2Cited by
4References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2020 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | Mar 23, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/146
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A bit changer assembly includes a bit basket actuator assembly configured to be coupled to a drill rig. The bit basket actuator assembly includes an actuator, a guiderail, and a bit basket that is movably coupled to the guiderail via actuation of the actuator. The bit changer assembly also includes a bit carousel configured to be coupled to the drill rig, such that the bit carousel is rotatably and vertically moveable relative to the drill rig.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.