Patent · US Expired

Semi-trailer coupling

US6045148A · kind A · utility

5Cited by

8References

9Claims

0Family size

Assignee

Rutgers Automotive Aktiengesellschaft · DE

Inventors

Bernhard Baumeister · Lage, DE
Kurt Theopold · Lemgo, DE
Richard Bugaj · Forbes, AU
Peter Gunther · Bielefeld, DE

Key dates

Filing date	Jan 26, 1998
Grant date	Apr 4, 2000
Priority date	—
Expiry date	Jan 26, 2018

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2111/00353
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

In a fifth wheel with a multipart sliding segmental lining which is rotationally and fixedly arranged on a coupling plate. Comfort is improved and a high service life is made possible by the fact that the sliding segment lining comprises a frictional material, the coefficient of friction of the sliding surface of the sliding surface lining being in the region of 0.1 to 0.2.

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