(19)

(11)

EP 3 887 773 A1

(12)

(43) Date of publication: 06.10.2021 Bulletin 2021/40 (21) Application number: 19889963.5 (22) Date of filing: 20.11.2019

(51) International Patent Classification (IPC):  G01F 19/00(2006.01) A47G 21/04(2006.01) A47G 19/34(2006.01) (52) Cooperative Patent Classification (CPC): G01F 19/002; A47G 19/34; A47G 21/04 (86) International application number: PCT/SE2019/051178 (87) International publication number: WO 2020/112006 (04.06.2020 Gazette 2020/23)

(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: 28.11.2018 SE 1851475 (71) Applicant: Teamx AB 931 42 Skellefteå (SE)	(72) Inventor: FAHLGREN, Erik 931 21 Skellefteå (SE) (74) Representative: Zacco Sweden AB  P.O. Box 5581 114 85 Stockholm 114 85 Stockholm (SE)