(19)

(11)

EP 3 525 626 A1

(12)

(43) Date of publication: 21.08.2019 Bulletin 2019/34 (21) Application number: 17791161.7 (22) Date of filing: 29.09.2017

(51) International Patent Classification (IPC):  A47B 95/00(2006.01) (86) International application number: PCT/IB2017/056017 (87) International publication number: WO 2018/069786 (19.04.2018 Gazette 2018/16)

(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: MA MD (30) Priority: 14.10.2016 IT 201600103536 (71) Applicant: Leonardo S.r.L. 22060 Figino Serenza (CO) (IT)	(72) Inventor: CATTANEO, Carlo 22060 Figino Serenza (CO) (IT) (74) Representative: Martegani, Franco et al Via Carlo Alberto 41 20900 Monza 20900 Monza (IT)