POSITIONING AND SAFETY APPARATUS SUITABLE FOR CONTROL OF CONCAVE SUSPENSION IN A COMBINE HARVESTER

The present invention is related to an apparatus that ensures the control of the position of a component (16) of a mechanical system, such as an adjustable concave in a combine harvester, while at the same time exhibiting a safety function that is reversible without requiring a long downtime of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Van Hullebusch, Bart G.L, Van Der Haegen, Johan A, Duquesne, Frank R.G
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE FISHING FORESTRY HARVESTING HAY OR STRAW PRESSES HUMAN NECESSITIES HUNTING MOWING PROCESSING OF HARVESTED PRODUCE TRAPPING
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Beschreibung
Zusammenfassung:	The present invention is related to an apparatus that ensures the control of the position of a component (16) of a mechanical system, such as an adjustable concave in a combine harvester, while at the same time exhibiting a safety function that is reversible without requiring a long downtime of the system. The apparatus comprises a control part (35) and an auxiliary part (40), both pivotable about the same axis, and means to maintain these two parts in an assembled state by a spring force, as long as the component is subjected to forces below a given limit. When the forces exceed the limit, the auxiliary part and the control part are configured to become separated in such a manner that they can be reassembled by the intervention of an actuator (50) included in the apparatus of the invention and - during normal operation - used for controlling the position of the component. In a preferred embodiment, the apparatus is designed so that its safety function resembles the operation of a shear bolt.