System for cutterbar support having torsion device with elastic material and load limiting apparatus

System for cutterbar support having torsion device with elastic material and load limiting apparatus

A system (300) for supporting a cutterbar (45) of a crop harvesting header (22) includes a first arm (48) pivotably secured to the header (22). The first arm (48) includes a first portion (46) configured to support the cutterbar (45). The first arm (48) includes a second portion (52) including a tor...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: FIGGINS, RYAN M, MORTIER, GEERT P
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AGRICULTURE
ANIMAL HUSBANDRY
FISHING
FORESTRY
HARVESTING
HUMAN NECESSITIES
HUNTING
MOWING
TRAPPING
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Beschreibung
Zusammenfassung:A system (300) for supporting a cutterbar (45) of a crop harvesting header (22) includes a first arm (48) pivotably secured to the header (22). The first arm (48) includes a first portion (46) configured to support the cutterbar (45). The first arm (48) includes a second portion (52) including a torsion device (90, 390) having a mass of elastic material (68) connected to an adjustment assembly (92). The second portion (52) is configured to be pivotably rotatable about an axis (56) by the adjustment assembly (92) to selectably increase or decrease a force appliable to the first portion (46) in order to raise or lower the first portion (46) with respect to the header (22). A load limiting apparatus (394) limits an amount of torsional force that is applied to the mass of elastic material (68) by pivotable rotation of the second portion (52) about the axis (56).