(19)

(11)

EP 3 921 464 A1

(12)

(43) Date of publication: 15.12.2021 Bulletin 2021/50 (21) Application number: 20702306.0 (22) Date of filing: 03.02.2020

(51) International Patent Classification (IPC):  D03J 1/00(2006.01) F21S 8/00(2006.01) G08B 21/18(2006.01) F21S 4/28(2016.01) G08B 5/36(2006.01) (52) Cooperative Patent Classification (CPC): D03J 1/005; G08B 5/38; G08B 21/187 (86) International application number: PCT/EP2020/052563 (87) International publication number: WO 2020/161048 (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 BE 201905080 (71) Applicant: Picanol 8900 Ieper (BE)	(72) Inventors: CUVELIER, Bram 9250 Waasmunster (BE) ROELSTRAETE, Kristof 8550 Zwevegem (BE) (74) Representative: Arnold & Siedsma  Bezuidenhoutseweg 57 2594 AC The Hague 2594 AC The Hague (NL)