Global Patent Index - EP 1902229 A1

EP 1902229 A1 20080326 - PNEUMATIC SPRING FOR MOTOR VEHICLES

Title (en)

PNEUMATIC SPRING FOR MOTOR VEHICLES

Title (de)

LUFTFEDER FÜR FAHRZEUGE

Title (fr)

AMORTISSEUR PNEUMATIQUE POUR VEHICULES

Publication

EP 1902229 A1 20080326 (DE)

Application

EP 06762037 A 20060614

Priority

  • EP 2006005693 W 20060614
  • DE 102005031477 A 20050704

Abstract (en)

[origin: WO2007003260A1] The invention relates to a pneumatic spring (1) for motor vehicles, essentially consisting of pneumatic-suspension bellows (2) that are composed of an elastomeric material, a pneumatic-spring piston (3) and a pneumatic-spring cover (4). According to the invention, at least the pneumatic-suspension bellows are fixed to the pneumatic-spring piston with the aid of an outer clamping ring (6) that surrounds the end region of the pneumatic-spring piston, the pneumatic-suspension bellows envelop the clamping ring in such a way that a pouch, which surrounds the clamping ring on three sides (the exterior, upper face and interior), is formed and the end region of the pneumatic-suspension bellows lies below the clamping ring, forming a thickened section or projection (10). The pneumatic-spring piston comprises concentric recesses for holding the clamping ring and the thickened section or projection.

IPC 8 full level

F16F 9/05 (2006.01)

CPC (source: EP)

F16F 9/0463 (2013.01)

Citation (search report)

See references of WO 2007003260A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

DE 102005031477 A1 20070111; EP 1902229 A1 20080326; WO 2007003260 A1 20070111

DOCDB simple family (application)

DE 102005031477 A 20050704; EP 06762037 A 20060614; EP 2006005693 W 20060614