(19)

(11)

EP 2 935 083 A1

(12)

(43) Date of publication: 28.10.2015 Bulletin 2015/44 (21) Application number: 13834330.6 (22) Date of filing: 20.12.2013

(51) International Patent Classification (IPC):  B66D 1/38(2006.01) (86) International application number: PCT/IB2013/002855 (87) International publication number: WO 2014/096946 (26.06.2014 Gazette 2014/26)

(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 (30) Priority: 21.12.2012 IT RA20120027 (71) Applicant: F.Lli Righini S.r.l. 48122 Ravenna (IT)	(72) Inventors: ARGELLI, Franco I-48123 Ravenna (IT) RIGHINI, Renzo I-48121 Ravenna (IT) (74) Representative: Roncuzzi, Davide  Roncuzzi & Associati S.r.l. Via Antica Zecca, 6 48121 Ravenna 48121 Ravenna (IT)