EP 2233642 B1 20110907 - Quick coupler for construction machines
Title (en)
Quick coupler for construction machines
Title (de)
Schnellkupplung für Baumaschinen
Title (fr)
Attache rapide pour engins de travaux publics
Publication
Application
Priority
AT 1672009 U 20090323
Abstract (en)
[origin: EP2233642A1] The device (1) has a fast changing device (3) fastened at an extension arm of an excavator, and a mounting plate (5) fastened at an accessory device. Hydraulic clutches (20) provided at longitudinal sides connect hydraulic lines of the excavator with hydraulic lines that lead to a hydraulic motor in the accessory device. One of the clutches has a block (21) movable in the fast changing device and another block (27) fastened at the mounting plate, where the former block has a coupling plug, and the latter block has a coupling bush.
IPC 8 full level
CPC (source: EP)
E02F 3/3627 (2013.01); E02F 3/3654 (2013.01); E02F 3/3663 (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
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
EP 2233642 A1 20100929; EP 2233642 B1 20110907; AT 11312 U1 20100815; AT E523637 T1 20110915
DOCDB simple family (application)
EP 10450017 A 20100212; AT 10450017 T 20100212; AT 1672009 U 20090323