Surface drill modular mast
US9945187B2 · kind B2 · utility
0Cited by
14References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2016 |
| Grant date | Apr 17, 2018 |
| Priority date | — |
| Expiry date | Jul 20, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B15/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A modular mast for an earth-drilling machine includes a base module, a crown module, and a fastener. The crown module is coupled with the base module via the fastener. The base module and the crown module each have a surface lying in a common plane. The fastener does not extend beyond the common plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.