Position detector for row-crop harvester

US4197690A · kind A · utility

Assignee

• VEB Kombinat Fortschritt Landmaschinen · DE

Inventors

• Theodor Eistert · Neustadt, DE
• Christian Noack · Lensahn, DE
• Manfred Teichmann · Bischofswerda, DE
• Bernd Zumpe · Bad Schandau, DE
• Gerhard Schmidt · Wilthen, DE
• Lothar Nather · Radebeul, DE

Key dates

• Filing date: Apr 3, 1978
• Grant date: Apr 15, 1980
• Expiry date: Apr 3, 1998

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S56/15
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

An agricultural machine displaceable in a predetermined travel direction and having relative thereto a plurality of forwardly extending arms forming forwardly open throats for receiving respective rows of a crop during harvesting thereof has a position-detecting system comprising a feeler pivoted about an upright axis underneath each of the arms. Each feeler is an elastically flexible plate carried on a rigid arm connected to the respective pivot and each plate has a pair of lateral edges each exposed in front of a respective one of the throats flanking the respective plate. The feelers are all mechanically connected for joint pivoting by a common link that is connected to a signal generator in turn connected to the steering system of the agricultural machine.