(19)

(11)

EP 0 958 440 A1

(12)

(43) Date of publication: 24.11.1999 Bulletin 1999/47 (21) Application number: 96941302.0 (22) Date of filing: 05.12.1996

(51) International Patent Classification (IPC):  B66F 9/ 065( . ) E02F 3/ 39( . ) E02F 3/ 30( . ) (86) International application number: PCT/SE1996/001602 (87) International publication number: WO 1997/020998 (12.06.1997 Gazette 1997/25)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE (30) Priority: 05.12.1995 SE 19950004340 (71) Applicant: Blom, Andreas 611 33 Nyköping (SE)	(72) Inventor: BLOM, Kurt S-153 37 Järna (SE) (74) Representative: Bjerkén, Jarl Hakan, et al  Bjerkéns Patentbyra KB P.O.Box 1274 801 37 Gävle 801 37 Gävle (SE)