EP 4200479 A1 20230628 - QUICK-CHANGE UNIT AND QUICK-CHANGE SYSTEM
Title (en)
QUICK-CHANGE UNIT AND QUICK-CHANGE SYSTEM
Title (de)
SCHNELLWECHSLER UND SCHNELLWECHSELSYSTEM
Title (fr)
UNITÉ À CHANGEMENT RAPIDE ET SYSTÈME À CHANGEMENT RAPIDE
Publication
Application
Priority
- EP 20189849 A 20200806
- EP 2021071102 W 20210728
Abstract (en)
[origin: WO2022028974A1] The invention relates to a quick-change unit (10; 110) as part of a quick-change system for construction machines comprising – a housing (12; 112) having two longitudinal walls (18) opposite one another, two transverse walls (20) opposite one another, a top side and a bottom side, - a block cylinder (28, 30) in the interior of the housing (12; 112), - a locking apparatus (24) having at least one locking bolt (54; • 154) and a drive device, wherein in a locked position, the at least one locking bolt (54; 154) projects out of one of the two transverse walls (20), - at least one coupling element of a first type (32) having a coupling end portion (31) and at least one coupling element of a second type (36; 136) having a coupling end portion (35), - wherein the at least one coupling element of the first type (32) and the at least one coupling element of the second type (36; 136) are hydraulically connected to one another and – wherein the at least one coupling element of the second type (36; 136) is arranged on one of the two longitudinal walls (18) of the housing (12; 112).
IPC 8 full level
CPC (source: EP KR US)
E02F 3/3622 (2013.01 - EP KR US); E02F 3/3627 (2013.01 - EP KR US); E02F 3/364 (2013.01 - EP KR); E02F 3/365 (2013.01 - EP KR); E02F 3/3654 (2013.01 - EP KR US); E02F 3/3663 (2013.01 - EP KR US); E02F 9/2275 (2013.01 - EP KR)
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 3951067 A1 20220209; EP 3951067 B1 20240207; EP 3951067 C0 20240207; CN 116209811 A 20230602; EP 4200479 A1 20230628; JP 2023537013 A 20230830; KR 20230045021 A 20230404; PL 3951067 T3 20240527; US 2023313485 A1 20231005; WO 2022028974 A1 20220210
DOCDB simple family (application)
EP 20189849 A 20200806; CN 202180056825 A 20210728; EP 2021071102 W 20210728; EP 21749639 A 20210728; JP 2023508027 A 20210728; KR 20237004386 A 20210728; PL 20189849 T 20200806; US 202118040556 A 20210728