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(11)

EP 3 921 857 A1

(12)

(43) Date of publication: 15.12.2021 Bulletin 2021/50 (21) Application number: 20705013.9 (22) Date of filing: 06.02.2020

(51) International Patent Classification (IPC):  H01F 7/18(2006.01) F15B 13/044(2006.01) (52) Cooperative Patent Classification (CPC): H01F 7/18; F15B 2211/527; F15B 2211/328; H01F 2007/1888; F15B 13/044 (86) International application number: PCT/EP2020/052920 (87) International publication number: WO 2020/161213 (13.08.2020 Gazette 2020/33)

(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: 08.02.2019 SE 1930044 (71) Applicant: ASSA ABLOY Entrance Systems AB 261 22 Landskrona (SE)	(72) Inventor: PAULSSON, Stefan 254 75 Ödåkra (SE) (74) Representative: Ström & Gulliksson AB  P.O. Box 4188 203 13 Malmö 203 13 Malmö (SE)