Patent · US Active

Drilling device and drilling method utilizing dual drives

US7905300B2 · kind B2 · utility

9Cited by

6References

11Claims

0Family size

Assignee

BAUER Maschinen GmbH · DE

Inventors

Otto Rieder · Brackenheim, DE
Stefan Hackl · Aichach, DE

Key dates

Filing date	Nov 26, 2008
Grant date	Mar 15, 2011
Priority date	—
Expiry date	Jul 14, 2029

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B15/00
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

The invention relates to a drilling device and a related drilling method, in which provision is made for a mast, a drilling carriage that is guided along the mast in a displaceable manner and a drive unit for moving the drilling carriage on the mast. In accordance with the invention the drive unit has both a hydraulic cylinder drive and a rope winch drive. The drilling carriage can be coupled with the hydraulic cylinder drive and with the rope winch drive.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.