(19)

(11)

EP 4 110 718 A1

(12)

(43) Date of publication: 04.01.2023 Bulletin 2023/01 (21) Application number: 21710023.9 (22) Date of filing: 24.02.2021

(51) International Patent Classification (IPC):  B66C 1/22(2006.01) B66C 13/22(2006.01) (52) Cooperative Patent Classification (CPC): B66C 1/22; B66C 13/22 (86) International application number: PCT/FI2021/050136 (87) International publication number: WO 2021/170911 (02.09.2021 Gazette 2021/35)

(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 Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 24.02.2020 FI 20205188 (71) Applicant: STEVENEL OY 33100 Tampere (FI)	(72) Inventor: HYYSALO, Heikki 33100 Tampere (FI) (74) Representative: Berggren Oy  P.O. Box 16 Eteläinen Rautatiekatu 10A 00101 Helsinki 00101 Helsinki (FI)