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(11)

EP 1 648 752 A1

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(43) Date of publication: 26.04.2006 Bulletin 2006/17 (21) Application number: 04749114.7 (22) Date of filing: 02.07.2004

(51) International Patent Classification (IPC):  B61G 5/08(1968.09) (86) International application number: PCT/SE2004/001078 (87) International publication number: WO 2005/005221 (20.01.2005 Gazette 2005/03)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 14.07.2003 SE 0302021 (71) Applicant: DELLNER COUPLERS AB S-791 95 Falun (SE)	(72) Inventors: SCHELIN, Dennis S-784 43 Borlänge (SE) JERNBERG, Gunnar S-784 75 Borlänge (SE) WESTMAN, Anders S-791 33 Falun (SE) (74) Representative: Fröderberg, Anders Oskar et al Dr Ludwig Brann Patentbyra AB, P.O. Box 171 92 104 62 Stockholm 104 62 Stockholm (SE)