Drive and a method for operating a drive of a ground drilling device
US11905769B2 · kind B2 · utility
0Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2021 |
| Grant date | Feb 20, 2024 |
| Priority date | — |
| Expiry date | Mar 8, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B7/046
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drive of a ground drilling device for pushing or pulling introduction of a drill string with a frame and a slide that can be moved back and forth relative to the frame, wherein there is at least one hydraulic cylinder between the frame and the slide for moving the slide, and wherein the hydraulic cylinder can be arranged in a removable manner in two different working directions between the frame and the slide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.