(19)

(11)

EP 0 583 268 A1

(12)

(43) Date of publication: 23.02.1994 Bulletin 1994/08 (21) Application number: 92908714.0 (22) Date of filing: 10.04.1992

(51) International Patent Classification (IPC):  B66C 13/ 22( . ) B66C 13/ 06( . ) (86) International application number: PCT/FI1992/000111 (87) International publication number: WO 1992/018416 (29.10.1992 Gazette 1992/27)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI NL SE (30) Priority: 11.04.1991 FI 19910001757 (71) Applicant: HYTONEN, Kimmo SF-02320 Espoo (FI)	(72) Inventor: HYTONEN, Kimmo SF-02320 Espoo (FI) (74) Representative: Austin, Hedley William  Urquhart-Dykes & Lord Alexandra House 1 Alexandra Road Swansea West Glamorgan SA1 5ED Swansea West Glamorgan SA1 5ED (GB)