STATICALLY BALANCED CRANK-OPERATED PACKER MECHANISM FOR AN AGRICULTURAL BALER

In a crank-operated packer mechanism (6) according to the invention, the crank shaft (12) comprises crank pins (11) and crank arms (A1-A5), wherein at least two of the crank arms are shaped in a way that deviates from a straight shape to such an extent that the crank shaft (12) is statically balance...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Van Hullebusch, Bart G.L, Gryson, Ruben
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:	In a crank-operated packer mechanism (6) according to the invention, the crank shaft (12) comprises crank pins (11) and crank arms (A1-A5), wherein at least two of the crank arms are shaped in a way that deviates from a straight shape to such an extent that the crank shaft (12) is statically balanced. The arms may for example be curved or hook-shaped. The crank shaft (12) may further comprise crank pins (11) and crank arms assembled by a tapered spline connection. The connection comprises tapered spline features (29,41) on the outer ends of the crank pins (11) and in openings (40) provided at the outer ends of the crank arms, which interlock when the crank pins (11) are inserted in the openings (40).