EP 0109907 B1 19870401 - DEVICE FOR MAINTAINING A BORING MACHINE IN A VERTICAL POSITION
Title (en)
DEVICE FOR MAINTAINING A BORING MACHINE IN A VERTICAL POSITION
Publication
Application
Priority
FR 8219393 A 19821119
Abstract (en)
[origin: EP0109907A2] 1. Device for maintaining a boring machine in a vertical position, comprising a suspended frame (1) on which is mounted a drill head (3), characterised by the fact that said drill head is fixed to a coupling plate (7) normally in contact with a support plate (6) fixed to the frame, means (19) being provided for moving the coupling plate apart from the support plate in a selected direction.
IPC 1-7
IPC 8 full level
E21B 44/00 (2006.01); E02F 3/18 (2006.01); E02F 3/20 (2006.01); E21B 4/16 (2006.01); E21B 7/06 (2006.01); E21B 44/02 (2006.01)
CPC (source: EP)
E02F 3/205 (2013.01); E21B 4/16 (2013.01); E21B 7/068 (2013.01)
Designated contracting state (EPC)
AT DE GB IT
DOCDB simple family (publication)
EP 0109907 A2 19840530; EP 0109907 A3 19840919; EP 0109907 B1 19870401; AT E26325 T1 19870415; DE 109907 T1 19850814; DE 3370674 D1 19870507; FR 2536455 A1 19840525; FR 2536455 B1 19850315; JP H0358037 B2 19910904; JP S59173488 A 19841001
DOCDB simple family (application)
EP 83402229 A 19831118; AT 83402229 T 19831118; DE 3370674 T 19831118; DE 83402229 T 19831118; FR 8219393 A 19821119; JP 21705883 A 19831117