Patent · US Expired

Self-propelling agricultural machine

US4869058A · kind A · utility

1Cited by

3References

9Claims

0Family size

Assignee

Claas oHG · DE

Inventors

Heinrich Ostrup · Harsewinkel, DE
Gunter Eis · Wickede (Ruhr), DE

Key dates

Filing date	Aug 31, 1988
Grant date	Sep 26, 1989
Priority date	—
Expiry date	Aug 31, 2008

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01D75/287
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A self-propelling agricultural machine, especially a self-propelling harvester thresher comprises a machine part having a front side, a working implement mounted on the front side of the machine part and turnable in a direction which is transverse to a travelling direction, and a unit for mounting the working implement on the machine part and including two cylinder-piston units having pistons with piston rods which are connected with the working implement and also having cylinders which are connected with the machine part, the connecting unit also having a switching valve, the cylinders of the cylinder-piston units having piston-side chambers which are connected with one another and piston rod-side chambers which are individually connected to the switching valve.

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