PROTECTING AND TENSIONING DEVICE FOR CHAIN OF MAIZE COMBINE ATTACHMENT

PROTECTING AND TENSIONING DEVICE FOR CHAIN OF MAIZE COMBINE ATTACHMENT

A row-crop harvester has a frame displaceable along the ground and formed with a plurality of forwardly opening throats at each of which is provided an endless conveyor chain spanned over a drive sprocket and an idler sprocket. A fluid cylinder mounted on the frame is provided for each of the idler...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NOAK KRISTYAN,DD, EJSTERT TEODOR,DD, SHMIDT GERKHARD,DD, UNGER GERRIT,DD, BERGMANN KONRAD,DD, TEJKHMANN MANFRED,DD, TSUMPE BERND,DD, SPEJDA KHANZ-PETER,DD, KHAUSSHILD ARTUR,DD
Format: Patent
Sprache:eng
Schlagworte:
AGRICULTURE
ANIMAL HUSBANDRY
FISHING
FORESTRY
HARVESTING
HUMAN NECESSITIES
HUNTING
MOWING
TRAPPING
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Beschreibung
Zusammenfassung:A row-crop harvester has a frame displaceable along the ground and formed with a plurality of forwardly opening throats at each of which is provided an endless conveyor chain spanned over a drive sprocket and an idler sprocket. A fluid cylinder mounted on the frame is provided for each of the idler sprockets so that when this cylinder is pressurized it can urge the respective idler sprocket away from the respective drive sprocket and tension the respective conveyor chain. A pressure-responsive switch is connected to each of the fluid cylinders and to a magnetic clutch between the drive for the chopper and drive sprockets for the harvester. When the pressure drops suddenly in any of the cylinders, as happens when a chain breaks, his pressure-responsive switch will respond and open the clutch to shut down the harvester.