Drive of an earth drilling device, earth drilling device, and a method for driving an earth drilling device
US10053931B2 · kind B2 · utility
0Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2015 |
| Grant date | Aug 21, 2018 |
| Priority date | — |
| Expiry date | Jun 25, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B7/046
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to a drive of a slide of an earth drilling device having a rotary drive and a pinion that is driven by the rotary drive and can be engaged with a rack, wherein the rotary drive is engaged with another pinion which can be engaged with the rack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.