Integrated drill chuck
US11090733B2 · kind B2 · utility
0Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2018 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Oct 3, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D21/0026
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An integrated drill chuck for installing mine roof bolts includes a single integrated piece, the single integrated piece including a body defining a receiving cavity, where the receiving cavity is configured to receive and secure a bit having a square-shaped end and a bit having a hex-shaped end. A drill for installing mine roof bolts is also disclosed. A method for installing mine roof bolts is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.