(19)
(11) EP 1 540 200 A2

(12)

(88) Date of publication A3:
21.05.2004

(43) Date of publication:
15.06.2005 Bulletin 2005/24

(21) Application number: 03759325.8

(22) Date of filing: 17.09.2003
(51) International Patent Classification (IPC)7F16F 9/05
(86) International application number:
PCT/US2003/029616
(87) International publication number:
WO 2004/027283 (01.04.2004 Gazette 2004/14)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 20.09.2002 US 412472 P

(71) Applicant: Freudenberg-NOK General Partnership
Plymouth, MI 48170-2455 (US)

(72) Inventor:
  • CRABTREE, Michael, L.
    Arvada, CO 80003 (US)

(74) Representative: Ripper, Monika Sigrid, Dr. 
Carl Freudenberg KG,Patente und Marken
69465 Weinheim
69465 Weinheim (DE)

   


(54) AIR SPRING ELLIPTICAL PISTON