Dual sickle knife drive with variable phase angle

A sickle cutting system is mounted on a header for forward travel over ground having a standing crop thereon and includes a cutter bar with a plurality of knife guards and two sickle bars driven at a phase angle difference where the drive system has a phase difference control component operable to d...

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Bibliographic Details
Main Authors Dunn, James Thomas, Shearer, Bruce Robert
Format Patent
LanguageEnglish
Published 07.03.2023
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
FISHING
FORESTRY
HARVESTING
HUMAN NECESSITIES
HUNTING
MOWING
TRAPPING
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Summary:A sickle cutting system is mounted on a header for forward travel over ground having a standing crop thereon and includes a cutter bar with a plurality of knife guards and two sickle bars driven at a phase angle difference where the drive system has a phase difference control component operable to drive the first and second sickle bars at a first phase angle difference typically at or around 180 degrees difference to minimize vibration when no cutting action is occurring and at a second phase angle difference which can be at or around 90 degrees to minimize variations in loading applied to the drive system when the cutting action is taking place.
Bibliography:Application Number: US201916769098