(19)

(11)

EP 4 069 623 A1

(12)

(43) Date of publication: 12.10.2022 Bulletin 2022/41 (21) Application number: 20896916.2 (22) Date of filing: 03.12.2020

(51) International Patent Classification (IPC):  B66C 1/16(2006.01) B66C 1/32(2006.01) B65G 57/24(2006.01) B66C 1/28(2006.01) B66F 9/12(2006.01) (52) Cooperative Patent Classification (CPC): B66C 1/32; B65G 47/907; B65G 57/06; B65G 59/023; B66C 1/425 (86) International application number: PCT/FI2020/050813 (87) International publication number: WO 2021/111038 (10.06.2021 Gazette 2021/23)

(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: 04.12.2019 FI 20196056 (71) Applicant: Huhtaware Oy 28800 Pori (FI)	(72) Inventor: HUHTANIEMI, Jori 28800 Pori (FI) (74) Representative: Koivisto, Harri Kristian  Koivisto Patentit Oy Pyhäjärvenkatu 5 B 406 33200 Tampere 33200 Tampere (FI)