(19)

(11)

EP 0 484 420 A1

(12)

(43) Date of publication: 13.05.1992 Bulletin 1992/20 (21) Application number: 90911767.0 (22) Date of filing: 22.06.1990

(51) International Patent Classification (IPC):  F16D 3/ 2237( . ) F16D 3/ 224( . ) (86) International application number: PCT/US1990/003654 (87) International publication number: WO 1991/001453 (07.02.1991 Gazette 1991/04)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 25.07.1989 US 19890384836 (71) Applicant: GKN AUTOMOTIVE, INC. Auburn Hills, MI 48057-3426 (US)	(72) Inventor: KRUDE, Werner Oxford, MI 48051 (US) (74) Representative: Neumann, Ernst Dieter, Dipl.-Ing., et al  Harwardt Neumann Patent- und Rechtsanwälte, Postfach 14 55 D-53704 Siegburg D-53704 Siegburg (DE)