Harvester thresher

US5833533A · kind A · utility

Assignee

• Class KGaA · DE

Inventor

• Alfons Roberg · Harsewinkel, DE

Key dates

• Filing date: May 7, 1997
• Grant date: Nov 10, 1998
• Expiry date: May 7, 2017

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01F12/40
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A harvester thresher has a housing, a straw shaking means, a chopper drum arranged after the straw shaking means and provided with associated counter cutters for comminuting a threshed straw, a width distributing device arranged under the chopper drum for distributing the comminuted straw, the chopper drum being arranged at a height of the discharge end of the straw shaking means, the chopper drum having a drum casing, a shaft supporting the drum casing in the housing, and a plurality of parallel supporting rings arranged at a distance from one another on the drum casing, the chopper drum further having a plurality of impact plates, a plurality of transfer strips associated with the straw shaking means and inserted in ring gaps between the supporting rings, and a plurality of counter cutters which deviate under the action of an overload and extend in the ring gaps between the supporting rings at a different location.