Patent · US Active

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 dateSep 3, 2021
Grant dateFeb 20, 2024
Priority date
Expiry dateMar 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.