Patent · US Active

Rail expansion device

US8302879B2 · kind B2 · utility

1Cited by

5References

18Claims

0Family size

Assignees

VOESTALPINE BWG GMBH & CO. KG · DE
VAE GmbH · AT

Inventors

Thomas Christ · Auburn Hills, US
Tomas Bergk · Gotha, DE

Key dates

Filing date	Sep 3, 2008
Grant date	Nov 6, 2012
Priority date	—
Expiry date	Jan 4, 2029

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE01D19/12
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

Rail expansion device having stock and tongue rails which can be displaced longitudinally with respect to one another and bear against one another transversely with respect to the longitudinal direction of the rails under the application of force, wherein a holder releasably holds the tongue rail at a distance from the region thereof which bears against the stock rail, and wherein the tongue rail in the holder is non-positively and positively connected to a standard rail passing into it or to a section thereof or to a section of the holder having a profile which merges with that of the standard rail.

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