Global Patent Index - EP 0223575 A3

EP 0223575 A3 19870715 - DRILLING APPARATUS

Title (en)

DRILLING APPARATUS

Publication

EP 0223575 A3 19870715 (EN)

Application

EP 86308907 A 19861114

Priority

JP 25716785 A 19851116

Abstract (en)

[origin: EP0223575A2] Drilling apparatus (l) to be mounted as a replacement for the bucket of a self-propelled hydraulic shovel (30) comprises a drill (42) carried in a guide cell (9) mounted at the end of a boom (32a) of the self-propelled chassis, the guide cell being attached to the boom by a pivotable joint (7) and an actuator (ll) operatively connected between the guide cell and the boom to pivot the boom about an axis transverse to the general longitudinal axis of the boom; the pivot (8) of the pivotable joint is preferably offset from said general longitudinal axis and a rotatable joint (5) is attached between the pivotable joint and the boom, turning means (3) being operatively connected between the pivotable joint and the boom to rotate the guide cell about said general longitudinal axis.

IPC 1-7

E21B 7/02; E21C 11/02

IPC 8 full level

E02F 3/96 (2006.01); E21B 7/02 (2006.01); E21B 15/00 (2006.01); E21B 19/08 (2006.01)

CPC (source: EP)

E02F 3/963 (2013.01); E21B 7/025 (2013.01); E21B 7/028 (2013.01)

Citation (search report)

Designated contracting state (EPC)

BE CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0223575 A2 19870527; EP 0223575 A3 19870715; AU 570854 B2 19880324; AU 6212786 A 19870521; JP S62117985 A 19870529

DOCDB simple family (application)

EP 86308907 A 19861114; AU 6212786 A 19860901; JP 25716785 A 19851116