EP 2204499 B1 20110831 - Excavator machine with a kelly equipped with cavities opening on two faces
Title (en)
Excavator machine with a kelly equipped with cavities opening on two faces
Title (de)
Aushubmaschine mit einem Kellygestänge mit Aussparungen, die nach zwei Seiten geöffnet sind
Title (fr)
Machine d'excavation ayant un kelly muni de cavités débouchant sur deux faces
Publication
Application
Priority
FR 0859114 A 20081230
Abstract (en)
[origin: EP2204499A1] The machine has a mobile carriage moving a bar i.e. kelly (18), along a longitudinal direction of a mast, where the carriage includes a maintenance unit for maintaining the bar relative to the carriage. The maintenance unit is released in an unlocked state and displaced relative to the bar. The maintenance unit comprises a blocking finger inserted in an opening (44) of one of cavities (40, 40a, 40'). Each cavity includes another opening (48) communicating with the former opening while emerging from a longitudinal face (50) of the bar.
IPC 8 full level
E02D 7/16 (2006.01); E02D 13/04 (2006.01); E21B 15/00 (2006.01)
CPC (source: EP)
E02D 7/16 (2013.01); E02D 13/04 (2013.01); E21B 19/083 (2013.01); E02D 17/13 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
EP 2204499 A1 20100707; EP 2204499 B1 20110831; AT E522668 T1 20110915; FR 2940661 A1 20100702; FR 2940661 B1 20110121
DOCDB simple family (application)
EP 09180860 A 20091229; AT 09180860 T 20091229; FR 0859114 A 20081230