(19)

(11)

EP 2 678 752 A1

(12)

(43) Date of publication: 01.01.2014 Bulletin 2014/01 (21) Application number: 12750116.1 (22) Date of filing: 23.02.2012

(51) International Patent Classification (IPC):  G05G 1/06(2006.01) G05G 1/58(2008.04) E02F 9/20(2006.01) G05G 9/047(2006.01) (86) International application number: PCT/FI2012/050188 (87) International publication number: WO 2012/113991 (30.08.2012 Gazette 2012/35)

(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: 25.02.2011 FI 20115187 (71) Applicant: Ponsse Oyj 74200 Vieremä (FI)	(72) Inventors: SAVOLAINEN, Markku FI-74200 Vieremä (FI) YRJÄNÄ, Vesa FI-74200 Vieremä (FI) TOSSAVAINEN, Jukka FI-74200 Vieremä (FI) (74) Representative: Kolster Oy Ab  Iso Roobertinkatu 23 PO Box 148 00121 Helsinki 00121 Helsinki (FI)