EP 0140873 B1 19880107 - DRILLING ARM
Title (en)
DRILLING ARM
Publication
Application
Priority
AT 365983 A 19831014
Abstract (en)
[origin: EP0140873A1] 1. A drilling arm with a bracket (2), an extension arm (4) pivoted thereon, which may be telescopic, which arm is displaceable via a lifting and lowering cylinder (5) and a swivelling cylinder (6), the extension arm (4) on its distal end, which may be rotatable about the longitudinal axis of the extension arm (4), supporting a pivot axis, mounted for example in a fork head (9), on which axis a support (11) pivotable by means of cylinders or the like is mounted, in which support a support shaft (14) is mounted so as to be arranged substantially normal to the pivot axis, which shaft supports the drill mounting holder (18) with a drill mounting device (19), a drilling device, and optionally an anchor setting device, characterised in that on the support shaft (14) an arm (15) is mounted, which has at its distal end a further shaft (17), which is connected to the mounting holder (18), the support shaft (14) and the further shaft (17) being arranged substantially parallel to one another.
IPC 1-7
IPC 8 full level
E21B 15/04 (2006.01); E21D 20/00 (2006.01)
CPC (source: EP)
E21D 20/003 (2013.01)
Designated contracting state (EPC)
CH DE FR GB LI SE
DOCDB simple family (publication)
EP 0140873 A1 19850508; EP 0140873 B1 19880107; AT 380924 B 19860725; AT A365983 A 19851215; DE 3468479 D1 19880211; FI 80946 B 19900430; FI 80946 C 19900810; FI 843997 A0 19841011; FI 843997 L 19850415
DOCDB simple family (application)
EP 84890183 A 19841009; AT 365983 A 19831014; DE 3468479 T 19841009; FI 843997 A 19841011