THRESHING STRUCTURE OF COMBINE HARVESTER

PROBLEM TO BE SOLVED: To provide a threshing structure of a combine harvester, which can quickly and surely adjust the flow of threshed products with dust-conveying valves corresponding to a single stage reaping state or a double reaping state and can prevent the occurrence of grain loss and damaged...

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Main Authors KIME OSAMU, FUKUOKA YOSHITAKE, SEGAWA TAKUJI, SAKIYAMA HIROSUKE, OKUDA SHIRO, TANAKA YUJI, ICHIMORI TAKASHI, MIZUMOTO MASAYA, FUMINO YUICHI, HAYASHI SHIGEYUKI
Format Patent
LanguageEnglish
Published 21.10.2004
Edition7
Subjects
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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Summary:PROBLEM TO BE SOLVED: To provide a threshing structure of a combine harvester, which can quickly and surely adjust the flow of threshed products with dust-conveying valves corresponding to a single stage reaping state or a double reaping state and can prevent the occurrence of grain loss and damaged grains caused by forgetting the flow adjustment of the threshed products with the dust-conveying valves, when the single stage reaping state or the double reaping state is switched between the double reaping state and the single stage reaping state. SOLUTION: This threshing structure of the combine harvester, having an auxiliary cutting mechanism 14 capable of being switched between a cutting work state acting on reaping target grain straws at a height position different from the height of a reaping mechanism 9 and a stored state not acting on the reaping target grain straws, and having dust-conveying valves 25 for adjusting the flow of the threshed products in a threshing device 4, is characterized by disposing an interlocking mechanism for decreasing the apertures of the dust-conveying valves in a prescribed small quantity to reduce the flow of the threshed products interlocked with the switching of the auxiliary cutting mechanism 14 from the stored state into the reaping action state, and for increasing the apertures of the dust-conveying valves in a prescribed large quantity to accelerate the flow of the threshed products interlocked with the switching of the auxiliary cutting mechanism 14 from the reaping action state to the stored state. COPYRIGHT: (C)2005,JPO&NCIPI
Bibliography:Application Number: JP20030085928