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(11)

EP 2 539 266 A1

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(43) Date of publication: 02.01.2013 Bulletin 2013/01 (21) Application number: 11747796.8 (22) Date of filing: 24.02.2011

(51) International Patent Classification (IPC):  B66B 9/02(2006.01) B66B 1/30(2006.01) (86) International application number: PCT/SE2011/050213 (87) International publication number: WO 2011/105959 (01.09.2011 Gazette 2011/35)

(84) Designated Contracting States: 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 (30) Priority: 26.02.2010 SE 1050181 (71) Applicant: Alimak Hek AB 931 27 Skellefteå (SE)	(72) Inventors: ELIASSON, Jonny S-931 42 Skellefteå (SE) CEDERBLAD, Lars S-723 49 Västerås (SE) (74) Representative: Norman, Pia Christiane  Albihns.Zacco AB Patent Department P.O. Box 5581 114 85 Stockholm 114 85 Stockholm (SE)