(19)

(11)

EP 1 940 648 A1

(12)

(43) Date of publication: 09.07.2008 Bulletin 2008/28 (21) Application number: 06778540.2 (22) Date of filing: 15.08.2006

(51) International Patent Classification (IPC):  B60P 3/22(2006.01) E03F 7/10(2006.01) A01C 23/00(2006.01) (86) International application number: PCT/FI2006/050357 (87) International publication number: WO 2007/020330 (22.02.2007 Gazette 2007/08)

(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 LV MC NL PL PT RO SE SI SK TR (30) Priority: 15.08.2005 FI 20050820 (71) Applicant: Pihlajamaa, Markku 85820 Oksava (FI)	(72) Inventor: Pihlajamaa, Markku 85820 Oksava (FI) (74) Representative: Laurinolli, Tapio Kullervo  Patenttitoimisto Tapio Laurinolli P.O. Box 258 90101 Oulu 90101 Oulu (FI)