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ID:41503774
大小:37.00 KB
页数:6页
时间:2019-08-26
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1、1BaletwineknotterwithadjustablewiperBackgroundoftheinventionThisinventionrelatestotwineknottersforhayorstrawbalingmachinesandmoreparticularlytoanimprovedwiperarmforsuchknotters.Inoneconventionalbaler,thetwineknotterincludesarotatablymountedbillhookforforminga
2、loopoftwinethereabout.Ononesideofthebillhookisawiperarmwhichhasapairoffinersdefiningaforkforreceivingandguidingtwineusedtotieabale.Ononesideofthebillhookisakniferivetedtotheforkforcuttingthetwineafteraloopinthetwinehasbeenformedaroundthebillhook.Awiperisforme
3、dintegrallywiththeforkofthearmandstripsorwiperstheloopoftwineformaroundthebillhookastheseveredendofthetwineisheldinthebillhookjaw.Properadjustmentofthewiperarmrelativetothebillhookiscriticaltotheoperationofthenkotterasthewipermuststriporwipethetwineloopfromth
4、ebillhooktocompletetheformationoftheknot.Wiperarmadjustmentisperformedinitiallyatthepointofmanufactureandperiodicallythereafterwhenservicingthebaler.Itisaccomplishedbymodelingorbendingthearminthreeareaswithaspecialtool.Bymodeling,thewiperiscenteredwithrespect
5、totheheelofthebillhookandadjustedsotheatitjustclearsthebillhookjaw.Forthisreason,itisdesirablethatthewiperarmberelativelyrigidandunyieldingsothatproperadjustmentcanbemaintainedandyetbesufficientlybendabletopermitinitialadjustmen.Also,inrecentyears,strongertwi
6、nesarebeingusedonsuchbalerstotiebalesofhigherdensity.Suchchangessubjectthewiperarmtohigherforcesduringoperationthusmakingitmoredifficulttomaintainthearminproperadjustmen,whileatthesametime,makingthearmflexibleenoughtopermitinitialadjustment.Accordingly,itisan
7、objectofthisinventiontoprovideaknotterwithanimprovedwiperarmhavingastrongandrigidconstructiontomaintainanaccurateadjustmen.Anotherobjectofthisinventionistoprovideaknotterwithawiperarmwhichhasawiperwhichiseasilyandaccuratelyadjustablewithrespecttothebillhookof
8、theknotter.SUMMARYOFTHEINVENTIONTheseandotherobjectsoftheinventionareaccomplishedbyknottercomprisingarotatablymountedbillhookforformingaloopoftwinethereaboutandawiperarmwithanimprovedadju
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