EP 1882781 B1 20180321 - Cutting head for a digging machine
Title (en)
Cutting head for a digging machine
Title (de)
Fräskopf für ein Erdaushubgerät
Title (fr)
Tête de coupe pour une machine d'excavation
Publication
Application
Priority
FR 0653169 A 20060728
Abstract (en)
[origin: EP1882781A1] The cutting head has tiller motors each having a mounting structure integrated to a fixation plate (20) presenting a central part (30). Two assemblies (32, 34) are arranged on both sides of the plate. Hydraulic motors (44, 46) are mounted in the assemblies, and a shaft (50) is provided common to the motors. Pipes (70) are arranged in thickness of the plate for circulation of liquid used by the motors. Channels (72) are arranged in the part (30), where the channels are connected to the pipes and to the motors (44, 46) to connect each of the hydraulic motor to each of the pipes.
IPC 8 full level
E02F 3/20 (2006.01)
CPC (source: EP KR US)
E02F 3/205 (2013.01 - EP US); E02F 3/24 (2013.01 - EP US); E21B 10/00 (2013.01 - KR); Y10S 37/902 (2013.01 - EP US)
Citation (examination)
JP 2004190387 A 20040708 - MITSUI MIIKE MACHINERY CO LTD
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1882781 A1 20080130; EP 1882781 B1 20180321; CA 2594299 A1 20080128; CA 2594299 C 20151124; FR 2904338 A1 20080201; FR 2904338 B1 20110304; JP 2008031836 A 20080214; JP 5379359 B2 20131225; KR 101429556 B1 20140812; KR 20080011126 A 20080131; US 2008022563 A1 20080131; US 7765723 B2 20100803
DOCDB simple family (application)
EP 07112940 A 20070723; CA 2594299 A 20070720; FR 0653169 A 20060728; JP 2007192997 A 20070725; KR 20070075906 A 20070727; US 82641807 A 20070716