Patent · US Expired

Elastomer spring especially for rail vehicles

US6953187B2 · kind B2 · utility

4Cited by

10References

11Claims

0Family size

Assignee

Phoenix, LLC · DE

Inventors

Michael Groth · Hamburg, DE
Andre Sanz · Hamburg, DE

Key dates

Filing date	May 24, 2003
Grant date	Oct 11, 2005
Priority date	—
Expiry date	May 24, 2023

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60G2300/10
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

An elastomer spring, particularly for rail vehicles, comprises a core made of metal or plastic; an outer sleeve that also consists of metal or plastic; a cushion made of elastomer material, in the form of a layered spring that is arranged between the core and the outer sleeve; as well as a base chamber that is configured below a core offset. The elastomer spring is configured in multiple steps in the vertical direction X, specifically consisting of at least a first spring and a second spring, whereby a chamber is present between two springs, in each instance.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.