Mechanism for retaining bits on a blasthole drill
US10202812B2 · kind B2 · utility
2Cited by
2References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 10, 2017 |
| Grant date | Feb 12, 2019 |
| Priority date | — |
| Expiry date | Feb 10, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B15/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drill bit retaining assembly includes a ring, a bit clamp member coupled to the ring, and an actuator coupled to the ring. The bit clamp member is movable via the actuator between a first position, in which the bit clamp member is configured to be engaged with a drill bit and a second position in which the bit clamp member is configured to be disengaged from the drill bit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.