Patent · US Active

Self-propelled harvesting machine with hydropneumatic dampening system

US8341926B2 · kind B2 · utility

2Cited by

33References

7Claims

0Family size

Assignee

CLAAS Selbstfahrende Erntemaschinen GmbH · DE

Inventors

Dirk Speckamp · Ahlen, DE
Jan Philipp Behra · Vellmar, DE
Heinrich Hermeler · Telgte, DE

Key dates

Filing date	Jul 20, 2011
Grant date	Jan 1, 2013
Priority date	—
Expiry date	Jul 20, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB62D55/116
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A self-propelled harvesting machine has a lifting device for a front attachment and at least one crawler track assembly which is provided with a damping system, and which is formed by a crawler track disposed on an axle of the harvesting machine and on either side of the axle, and the height of the harvesting machine can be changed by varying the spring travel of the hydropneumatic damping system of the crawler track assembly.

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