Michael P David

US Patent:

6679485, Jan 20, 2004

Filed:

Feb 4, 2002

Appl. No.:

10/067626

Inventors:

Stan W. DeLizo - Lynnwood WA
William D. Krusel - West Bloomfield MI
Michael David - Everett WA
Leo M. Schmidt - Seattle WA
Jeffrey T. Capek - Fishers IN
Daniel Levy - Waltham Abbey, GB
Daniel J. Leonard - Carmel IN
Mohamad Taghizadeh - Indianapolis IN

Assignee:

Paccar Inc - Bellevue WA

International Classification:

F16F 904

US Classification:

267 6419, 267 6424, 267 6427, 267 6428, 280124158

Abstract:

An air spring ( ) for use in a motor vehicle suspension system is provided. The air spring includes a generally cylindrical flexible bladder ( ) having a circular upper opening ( ), a support unit ( ) sealingly connected to the flexible bladder ( ), and a unitary integrated top assembly ( ) connected to the upper opening ( ) in an air-tight manner. The support unit ( ) further includes an installation fastener ( ) for connection to vehicle support brackets ( ). The top assembly ( ) includes a sealed body ( ) having an interior open volume ( ) and optional attachment components positioned on the body to connect the top assembly to a vehicle main frame. The top assembly further includes an optional connection port ( ) adapted for pneumatic intercommunication with other air springs and an optional fill port ( ) for connection to a pressurized air system.