(19)

(11)

EP 1 211 923 A1

(12)

(43) Date of publication: 12.06.2002 Bulletin 2002/24 (21) Application number: 00957174.6 (22) Date of filing: 16.08.2000

(51) International Patent Classification (IPC)7: A01B 49/00, A01B 59/00, E02F 3/36 (86) International application number: PCT/SE0001/584 (87) International publication number: WO 0113/700 (01.03.2001 Gazette 2001/09)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 17.08.1999 SE 9902929 (71) Applicant: Väderstad-Verken AB 590 21 Väderstad (SE)	(72) Inventors: AXELSSON, Hans S-573 93 Tranas (SE) STARK, Crister S-590 21 Väderstad (SE) (74) Representative: Stein, Jan Anders Lennart et al Albihns Stockholm AB,Box 5581 114 85 Stockholm 114 85 Stockholm (SE)