(19)
(11) EP 1 580 330 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
22.03.2006 Bulletin 2006/12

(43) Date of publication A2:
28.09.2005 Bulletin 2005/39

(21) Application number: 05006635.6

(22) Date of filing: 24.03.2005
(51) International Patent Classification (IPC): 
E02F 3/36(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR LV MK YU

(30) Priority: 26.03.2004 DE 102004015471

(71) Applicant: Caterpillar Work Tools B. V.
5232 BJ'-Hertogenbosch (NL)

(72) Inventor:
  • Sauer, Thomas
    72581 Dettingen/Ems (DE)

(74) Representative: Wagner & Geyer 
Partnerschaft Patent- und Rechtsanwälte Gewürzmühlstrasse 5
80538 München
80538 München (DE)

   


(54) Quick-change device for excavators


(57) A quick-change device (1) is disclosed for connecting implements to an excavator while simultaneously connecting hydraulic conduits, wherein the quick-change device has a main body (2) in which at least one locking component (9,10,11) is accommodated, wherein the main body (2) is confined or terminated at the sides by one-piece side plates (3,4), wherein the at least one locking component (9,10,11) extends and moves essentially parallel to the side plates. Furthermore, a quick-change device is disclosed for connecting implements to an excavator while simultaneously connecting hydraulic conduits, wherein the quick-change device has a main body in which at least one locking component is accommodated, wherein the main body is confined or terminated at the sides by one-piece side plates, wherein the at least one locking component extends and moves essentially parallel to the side plates, wherein the side portions, in an area near to the position where the at least one locking component exits or extends from the main body, respectively have a recess (15) for engagement with a corresponding bolt or projection on the implement.







Search report