Invention Grant
- Patent Title: Drilling device and drilling method utilizing dual drives
- Patent Title (中): 采用双驱动器的钻孔装置和钻孔方法
-
Application No.: US12292860Application Date: 2008-11-26
-
Publication No.: US07905300B2Publication Date: 2011-03-15
- Inventor: Otto Rieder , Stefan Hackl
- Applicant: Otto Rieder , Stefan Hackl
- Applicant Address: DE Schrobenhausen
- Assignee: Bauer Maschinen GmbH
- Current Assignee: Bauer Maschinen GmbH
- Current Assignee Address: DE Schrobenhausen
- Agency: Jacobson Holman PLLC
- Priority: EP07023381 20071203
- Main IPC: E21B1/02
- IPC: E21B1/02 ; E21B19/08
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.
Public/Granted literature
- US20090139731A1 Drilling device and drilling method Public/Granted day:2009-06-04
Information query
