Oct.. _29, 1946. P. H. HARREÉ ErAL 2,410,159 ROTARY BALER ~ Filed March 4, 1944 2 Sheets-Sheet l Oct. 29, 1946. P. H. HARRER ETAL ' 2,410,159 ROTARY BALER Filed March 4, 1944 2 sheets-sheet 2 2,410,159 Patented Oct. 29, 1946 UNITED STATES PATENT OFFICE ROTARY BALER Paul H.: Harrer and Clayton H. Roth, La Porte, Indy., assignors- to Allis-Chalmers Manufactur >ing Company, Milwaukee, WVis., a corporation . of Delaware Application-March 4, 1944, Serial No...525,008 14. Claims. (Cl. 100-1) _' . 1 . " This‘invention relates generally to mechanism forv wrapping any suitabler binding material (hereinafter called twine) >aroundfa'cylindrical bale'whi‘le it is disposedÀ within the machineform ing vsame and more `particularly to the -type of mechanism embodying ' a.- 'twine- feeding- member (hereinafter called a tube) operative to engage the? twine to be fed therefrom with the material passing. into Ythe machine whereby'the' end oí thetwine is carried into the machine and around the bale disposed therein. ' Invv operating baling .machines it sometimes happens due to'the lack offmaterial enteringthe 2 ing from the tube with a material receiving and conveying part of the machinel which, for ex ample may- be ofthe type disclosed in U. F. Luebben’s United- States Patent No. 2,336,491, December 14, 1943, Rotary' baler, whereby-.said part will seize and pull the end of the twine into the machine and by providing means for control lably oper-ating said member. either «»manually or automatically whenever wrapping of. the ¿bale is to be initiated. K i Y f . The .invention is-illustrated as applied to the twine wrapping mechanismwhich is disclosed and claimed in Pau-l H. Harrer’s andiCharles J. Scranton’s copending- ,application Serial.y -No. of .the material lreceiving zand‘conveying'. parts 15 524,888, filed March 3,1944, and'fwhich is-also disclosed vbut not claimedA in Paul ‘I-I. »Harrer’s thereof'that'the end of >the twine hanging from copending 'application «Serial No. 524,190, filed the `tube is not carried into the machine; and machine and/or to the nature and arrangement around the bale as contemplated.- Consequently, wrapping of ltheloal‘e is delayed until Vthefencl oi the twine can be made `to'enter thevma'chine andas airesult the> number of '.bale'sswhich can be formed and wrapped in'a given vtime isv materially reduced. ‘ February 28, '1944. ' » l The invention ‘accordingly consists.- off the various features of construction; combinations of elementsl and arrangements of parts as is more> fully set forth in the appended claims and in the 'detaileddescriptiom in which: ~ “ Fig. 1 is a partial side elevation of a..ba1ing vention to provide a twine wrapping mechanism 25, machinev providedwith a' twine wrapping mech anism embodying` the invention; of the type hereinbefore referred to withla'means Fig. 2 is a partial section taken- on lineII--II operative to engage> the-twine with a material , It 'is therefore the primary object of this in receiving and conveying part of the -machine of Fig. 1; and . , ' , ' FigyS is> apartial front elevation ofthe struc such as will insure the end of the twine --being -' ` pulled into the `machine and around the fbale 30 ture shown in Fig. 1. Referring toÁ Figs. 1 and 3 of -the'drawinga itA disposed- therein irrespective of the nature and is' seen that the invention may beapplied to a arrangement o-iV such a part and irrespective of baling'machine comprising a frame» structure l whether material to be baled is then passing into operatively mounting an upper drive -roll assem the machine. Another object of this invention is to provide 35 bly2, aV stationary shield or guard 3 for the front side of assembly 2„a lower drive roll assembly a twine wrapping mechanism of said type with 4, a press rollv assembly 6, upper and lower trip a means rendered automatically operative to en roll assemblies Tand 8, respectively-a bale dis gage the ‘twine with a material receiving and charge latch release bar 9, a twine-feeding tube conveying part of the machine whenever wrap ping 'of >the bale is to be initiated. ` 40 Ill, and a housing formed by a pair of spaced rigidly connected and supported front` and -rear ' Still another object 'of this invention is topro plates Il and. l2, respectively, operatively sup vide a twine wrappingl mechanism of >said type porting the twine tube l0 >and'mechanismî‘i'or with a means automatically- operative to repeat controllably positioning and positively imoving edly-engage the twine with a material receiving and con'veyinfT part of the machine until the end 45 the'tube> lengthwise of the bale lduring .theïwrap ping operation. Ä of the twine is pulled into the machine. One or more endless bale formin'gbands i3 are A further object of this invention is to provide mounted for movement over the roll portions of a twine wrapping mechanism of said type with assembly 2, over the roll portion ofrassembly 1 a novel correlation of featuresv operative auto matically or otherwise to insure an immediate 50 and over the roll portion of an upper tension roll assembly (not shown) and one or-more simi wrapping of the formed bale. lar bands I4 are mounted for movement over In accordance with this invention, one or more the roll portion of assembly'ß, over the roll por of the above stated objects may be readily ac complished in whole or in part by vproviding a meinberlpositionable to »engage'the twine hang' tion of assembly 8 and overthe roll- portionof 55 a lQWBr tension roll~ assembly also (not shown). 2,410,159 3 4 In this connection, the correlation and operation face 44 is provided with an integral cam portion 53 and the movement of roller 43 thereover results of the various roll assemblies, the bale forming bands and the latch release bar 9 hereinbefore identified are the functional equivalent of the in a counterclockwise movement of crank arm 42 as viewed in Fig. 3 and a corresponding move corresponding parts of the U. F. Luebben baling ment of shaft 41 as viewed in Fig. 1. machine disclosed in U. S. Patents 2,096,990 and Plates II and I2 also have secured therebetween 2,336,491, issued October 26, 193'?, and December a fixed shaft 54 on which is pivotally mounted a 14, 1943, respectively, and since a ’detailed dis bell crank lever 56 having on one arm thereof a closure of such parts is not essential for a com roller 51 adapted to engage a stop projection 58 plete understanding of the present invention, it l0 integral with the rear side surface of partial gear should suffice to point out that material to be baled is fedy to and passes between the roll por tions of the press and lower drive roll assemblies whereupon it engages and is rolled into a compact cylindrical bale I 6 by the action of the oppositely moving bands I3 and I4, that when the bale 21 and having its other arm connected for simul taneous movement with a downwardly extending arm of a pivotally mounted bell crank lever 59 by means of a link 6I; bell cranks 56 and 59 both being normally retained in the positions shown -by means of a spring 62 and a recessed stop plate 63 into the recessed portion of which projects a attains the desired diameter, the feed of material forwardly extending strengthening rib 94 integral to the machine is terminated and the latch re with the upper arm of bell crank 59. Bell crank lease bar 9 actuated whereupon the trip roll as semblies move apart and effect discharge of the 20 59 is pivotally mounted on a fixed rearwardly pro jecting pin 66 carried by a U-shaped bracket 61 bale from the machine, and that upon discharge secured to the underside of an inverted U-shaped of the bale, the trip roll assemblies are im frame member 63. Stop plate 63 is mounted on mediately returned to their initial bale starting and projects rearward from frame member 68 position whereupon material may be again fed and movement of bell cranks 56 and 59 in a coun to the machine to initiate the formation of an terclockwise direction from the positions shown other bale. in Fig. 3 is limited by the engagement of rib 64 ' Twine tube I6 is supported for angular move on bell crank 59 with the opposite edge of the ment by having its upper end pivotally mounted recess in stop plate 63. The upwardly project on a ñxed'pin I1 projecting rearward from rear plate I 2 and is biased by gravity and by the action 30 ing arm of bell crank 59 carries a pair of twine tension disks 69 and a twine roller 1I operative of a spring I8 to assume the full line position to force the twine between the disks 69; disks 69 shown in Figs. 1 and 3;, movement in the clock being alined with a twine guide roller 12 carried wise direction being limited by engagement with by the upper end of twine tube I6. Twine from -a fixed stop member I9 carried by a part of the frame structure I. Plates> II and I2 rotatably support a shaft 2| which extends therethrough a suitable source passes between roller 1I and and presents free end portions to which are se and out the ferruled lower end 13 thereof as in disks 69, over guide roller 12, through tube III dicated in Fig. 3. cured front and rear crank arms 22 and 23, re Shaft 2 I, front and rear crank arms 22 and 23, spectively; crank arm 23 having mounted thereon a laterally projecting roller 24 adapted to engage 40 and partial gear 21 rotate as a unit and are biased to the positions shown in Fig. 3 by means the cam edge portion 26 on twine tube Il! and of a spring 14 connecting arm 22 with a ñxed thereby move the twine tube to its dotted line part of the structure; the arrangement of parts position shown in Fig. 3. A spur gear 21 having being such that spring 14 acts to rotate shaft 2l, a non-toothed peripheral portion (hereinafter crank arms 22 and 23 and partial gear 21 in a called a partial gear) is -fixed on shaft 2! be counterclockwise direction as viewed in Fig. 3, tweenplates II -and I2 in such position that said that such movement is prevented by the engage shaftJ and gear are driven through a predeter ment of roller 51 on bell crank 56 with the stop mined angle by a spur gear 28 integral with the projection 53 on partial gear 21, that spur gear hub portion of va bevel gear 23~rotatably mounted on a ñxed shaft 3I which extends between and 50 28 is out of mesh with the toothed portion yof partial gear 21 and is therefore inoperative to is supported by said plates. Bevel gear 29 meshes ' drive partial gear 21 counterclockwise unless said with and is driven by a pinion 32 ñxed on a shaft partial gear is first rotated counterclockwise a 33 which has its adjacent end rotatably mounted sufñcient distance to engage the first tooth there in a bearing 34 supported by an integral forward ly extending arm 36 on rear plate IZ.v The oppo 55 on with gear 28, and tha-t twine tube I0 is re tained in its raised dotted line position shown in site end of shaft 33 is rotatably supported in `a Fig. 3 by means of a latch 16 fixed on a rod 'I1 bearing 31 mounted on the frame structure I and pivotally mounted on the frame structure I and carries at its outer end a V-belt pulley 39 driven biased to assume a position directly beneath twine by a V-belt 39 which is in turn driven from a normally rotating part of the machine so that 60 tube I6 by means of an arm 18 fixed on rod 11 and a spring 19 connecting arm 18 with a fixed for all practical purposes the shaft 33 may b considered as continuously rotating. ' ` part of the structure; movement of the latch in a Front plate II has fixed thereon a rearwardly counterclockwise direction as viewed in Fig. 1 be ing limited by a stop projection 8| adapted Ito projecting fixed pin 4I on which is pivotally engage that portion of the frame structure im mounted a crank arm 42 carrying a laterally pro mediately beneath rod 11. Arm 'I8 is intercon jecting roller 43 adapted to engage and ride on nected with an actuator B2 by means of links 83, the inner peripheral surface 44 of the toothed flange portion of partial >gear 21; arm 42 being 84 anda bell crank lever 86 having one arm> con nected with actuator 82 and having its other arm biased to maintain roller 43 in continuous en gagement with surface 44 by means of a spring 46. 70. connected with link 84; the latch 16 being shown A transverse shaft 41 is rotatably mounted in as held in its twine tube releasing position by bearings 48 carried by opposite portions of the actuator 82. framestructure I Aand is provided with a later The frame structure I also mounts a ñxed twine cutting knife 81 positioned to be engaged ally projecting arm 49 which is connected with crank arm 42 by means ofllinks-EI and 52. Spur by the twine fed from the ferruled end of tube I0 2,410,159 5 6 as it `approaches its. dottedI line.V raised position shown in Fig.-I 3 -zand xa" pivotally .mounted knife guard 88;l is normally :positioned as- shown .-inFig. plate- I08iisfm0‘ved to its ¿full line position shown in Fig` 2 by means ofi fav-link |09 having one end pivotally Àconnectedwith plate |08 and having its opposite endiportion bent to provide an offset y 3 ’ to prevent tthe .twine from 'contacting the : knife. Shaft .41;is` alsoprovîded with a'pair yof Varms 89 one of which is show-.n vas'operatively connected with the adjacent end of latch release bar '9 by means of a ilink 9| and apart 92 on link 9| is operatively‘iconnected with. an larm 93 on twine guard 88 by means of .a link94; ther-arrange* ment. being .such'zthat-v the lknife >guard vis with drawn from :inzfront .oflknife 81 just prior to the actuation of latch-release bar 9 to eifecta dis charge Aof the bale frcmz' the machine. Inaddition, .opposite side portions ofthe». frame structure tl - pivotally; support a transverse .rock shaft I9Ii onvwhich is ñxed for. movementY there with a vmember 91 positionable to-engage the twine hanging fromV the ferruledrend of tube I0 and-tuck or'push same between the coacting por tions of the vpress and lower drive roll assemblies as is best' shown in iFig. A1; shaft 96 .having` .fixed on the right hand end 'thereof as- Viewed inFig. x portion I I:0 positioned in the path of the ’twine tube and to Vprovide a parallel portion | | I slidably mounted in a bracket I >I2 carried by that por tion »of the frame ‘structure I mounting the twine . tube stopl9. Aspring Il?,- connects link |09 with 10 an intermediate portion of latch plate |08 and the-` arrangement of these parts is such that when thejtwine tube .I0 is in its' fully raised position, spring I I3 retains the latch plate |98 in its 'dotted line position‘shown in Fig. 2,*that whenthe twine tube drops to its full line position shown, lit ñrst engages Athe .offset portion I I0 and then the stop I9.'and the .resulting Vmovement of link I99`poSi tions the >latch plate |08 in its' full line position shown in;Fig. Zftherebyreleasingba'r 99 which is immediately moved into the path of the roller carrying crank »arm |03 by the action of spring |06 =and that Athe latch plate will be retained in its full line positionv until the twine tube I0 is moved away-from `stop I9 a sufficient distance to 3_ an actuating crank Aarm 98` which is pivotally connected with a verticailyextending bar 99 hav 25 permit spring VI I3--to lreturn the latch plate to its dotted line position. ing at its upper end an integral rearwardly ex During the interval twine 'tube I 0 retains latch tending rectangular projection IOI disposed ad- ' plate |08 in its full Yline position. the bar 99 is jacentthe normally rotating shaft 33 and hav reciprocated eachl time-the crank arm |93 makes ing. -intermediate its'ends an integral rearwardly a complete revolutiony and such reciprocation extending triangular projection |02. Shaft 33 continues until the latch~ plate |98 is returned to hasñxedthereon a crank arm |03 carrying a lat its dotted line' position whereupon the next down erally projecting roller |04 adapted to engage ward movement ofbar 99 results in the edge of the underside of projection I||I on bar 99 `and projection |92 engaging Isaid latch plate and a thereby -raise bar 9.9 tofthe :approximate position shown iny Fig. 1;“-thezpro’jection |9I. being re. 35 movement of bar 99 vto its inoperative position whereY it-is retained by the coaction of latch plate tained in engagementwith roller- |94 by a spring |98 andl projection" |92 until’the latch plate is |06 whichacts to move bar 99 to the right and again released by the dropping of twine tube I9. downward as viewed in...Fig. -1. - Further move ment of bar 99 toward'the` right lis prevented by , During »the formation of a baleytwine tube I9 its engagement with 'shaft' 33 and ywhen roller 40 is retained'in its raised dotted line position shown in Fig. 3» by means lof latch -16 and when the bale I 04 moves out from beneath projection I0| spring attains the desired diameter, actuator 82 is pulled |06 immediately moves bar 991downwardand‘ en downward which withdraws latch 16 from be gagesthe underside of :proj-e‘ctionIüI with :the top side oflsha-ft 33 in whichposition'it is held by spring |06 until- the. rolle-r |04 1again engages neathtwine »tube I9 whereupon the tube. swings to its 'full line Yposition best shown in Fig. Sand bar 99 and moves it~tcward~the left whereupon the underside of projection IDI Vmoves-from en in so= doing> actuates >link |09 thereby initiating operation of the twine tucking mechanismA here gagement with the top side of shaft 33- into-en gagementfwîthr the top-side of roller: |04- which again raises bar 99y thereby starting the vcycle» inbefore-described which pushes the twine hang ing from tube >II! against the proximate roll por of reciprocation just described. Lateral move tions of the press and lower drive roll assem blies as indicated in Fig. 1 whereupon the twine is engaged and carried into the machine by said ment of bar 99 isprevented by a‘pair of spaced . roll-portions >and due to the movement of the rigidly- connected guide plates IUT-.which are-se bands I4 and to> the rotation of the bale I6, cured-to the frame-structure I and between which extends the bar 99 asis best shown inl Fig. 3. 5. around'fth'e latter; the> feed of material passing between the press and drive roll assemblies be Obviously,V the reciprocation of îbar V99 results in ing- terminated preferably asY soon as the twine an oscillation of :shaft 9.6'and1a twine tucking tube‘reaches its fullline position against stop I 9. movement of the member 91 secured thereto. l¿The >pull exerted on the- twine in passing into Reciprocation of bar 99 and thereby the oscil lation of shaft 96 is controlled by a- pivotally mounted latch plate: |08 (see«‘Fig. 2.) positionable to be engaged bythe triangular projection |02 the machine- andaround the bale moves the inter connected belly crank. levers 56 and 59' counter clockwise -asI viewed in Fig. 3 thereby withdrawing therroller 91 carried> by lever 56» from engage on bar 99'; >the arrangement of parts beingV such ment'vwith stop'projection 58 whereupon spring that so long as the plate~|08 is lin its fullline po sition shown in Fig.- 2 it is never-engaged by- the 65 14 rotates shaft 2| counterclockwise until the :first tooth o-n partial gear 21 engages spur gear 28; projection |02. .on bar 99 andthat when it is the latter and'spring 14 rotating gear 21 and moved to its 'dotted line position, itwill be en thereby shaft 2| - and crank ar 5 22 .and v23v coun gaged by the projection |02 'as the bar 99 moves terclockwise until these parts attain the relative downward from >engagement with the roller-|04 on crankzarm |03- and as a result the bar will piv 70 positions’shown in fFig. 3. y The initial rotation .of `gear 21,v which isve?fected by spring> 1lI,v posi- . ot in a counterclockwise» direction-away from tionsthe roller 2tv on crank: arm 23 in proximate shaft 33 and be held 'inv a position` suChthatfthe spaced> relationto the. cam edge 29 onëtwineitube upper portion ofthe bar vand the: projection IOI I0- andzthe - continued. rotation of .gear 2‘1 „en thereon will-not be engaged bythe roller~1|04 on gages roller 24lwith4~said11cam surface whereupon the continuously rotating crank arm; |03.;` Latch 2,410,159: 7 twine tube I0 moves in'a counterclockwise direc-` means, a movably mounted member operative to tion toward its fully raised dotted line position so engage the twine with said part that the twine shown. As the twine tube moves away from stop will be carried into themachine by such part and around the bale‘disposed therein, >and means for operating said member and forv maintaining same inoperative in a predetermined out-of-the-way I9, spring H3 acts to return latch plate |08 to its normal position thereby terminating operation ‘of the twine tucking mechanism as previously de scribed. When twine tube AIii reaches its dotted line position, the pull on actuator B2 is released and spring 19 acts on arm 13vto reposition latch position. “ ‘ ' 2. In a machine embodying means for rollingv material delivered thereto into a formed cylin 16 beneath twine tube lll so that When the roller 10 drical bale of predetermined diameter and means 24 moves from engagement with the cam edge for wrapping twine about the formed bale while surface 25, the tube will be retained in its raised dotted line position. Cam Zëi is preferably designed to retain tube lil substantially stationary in -its raised dotted line it is in the machine including a ytube operative to position the twine hanging therefrom in prox imity to a material receiving and conveying part of the bale forming means, a movably mounted position during the interval the cam portion 53 on member operative to so engage the twine with partial gear 21 is in engagement with the roller said part that the twine will be carried into said machinev by such part and around the bale dis 43 on arm ¿l2 which engagement moves arm 42 in a counterclockwise direction as viewed in Fig. 3 posed therein, and means for operating said mem and-through the medium of links 5l, 52 and arm 20 ber and'for maintaining same inoperative in a predetermined out-of-the-way position. 49 produces a counterclockwise movement of shaft v3. In a machine embodying means for rolling 41 as viewed in Fig. l which in turn moves link 9i thereby withdrawing twine guard 88 from in material delivered thereto into a formed cylin front of knife B1 and thereby actuating latch re drical bale of predetermined diameter and means lease bar 9' whereupon the twine snaps against 25 for wrapping twine about the formed bale while it is in the machine including a tube operative to and is cut by knife 81 and the trip roll assem position the twine carried thereby in proximity blies move apart to discharge the bale from the to av material receiving and conveying part of the machine; the twine cutting 'and bale discharging operations taking place in the sequence specified. bale forming means, a movably mounted member operative to so position the twine on said part As soon as the trip roll assemblies return to their initial bale starting position, material may be that the twine will be carried into said machine by such part and around the. bale disposed there» again fed to the machine to initiate the formation in, and means for moving said member to perform of another bale. The cutting of the twine re said twine positioning operation and for main leases the pull on bell crank lever 59 whereupon spring 62 returns the bell crank levers 56 and 59 35 taining said member inoperativeA in -a predeter mined out-of-the-'way position. ` to the positions shown in Fig. 3 and the continued 4. In a machine embodying means for rolling rotation of gear 21 by the gear 28 and the action of spring 14 brings the stop projection 58 into material delivered thereto into a formed cylindri cal bale of predetermined diameter and means engagement with the roller 51 on bell crank 56 and this shown arrangement of parts is maintained 40 for wrapping twine- about the formed bale while it is in the machine including a tube movable to by the action of spring 14 until the initiation of another twine wrapping operation. position the twine carried thereby adjacent one It should now be obvious that whenever ac end of the bale and in proximity to a material re ceiving and conveying part of the bale forming tuator 82 is moved to release twine tube l0, the swinging of the ltube from its dotted line to its means, a movably mounted member operative to full line position initiates operation of the twine so engage the twine with said part that the twine tucking mechanism which repeatedly engages the will be carried into said machine by such part twine with a material receiving and conveying and around the bale disposed therein, and means part of the machine (in this case the proximate responsive to predetermined movements of said coacting portions of the press and lower drive roll 50 tube for controlling the'operation of said mem assemblies) until the end of the twine is pulled into the machine and around the bale disposed 5. In a machine‘einbodying means for rolling therein whereupon the operation of the twine material delivered thereto into a formed cylindri tucking mechanism ceases and the wrapping op cal bale of predetermined diameter and appara eration continues and is completed as hereinbe tus for wrapping twine yaround the bale while it fore described. ' ’ is’in the machine including'a movable element The invention is applicable to all types of ro operative to position the twine in proximity to a tary baling machines irrespective ofthe nature material conveying part of lthe bale forming and arrangement of the material receiving and means, a movably mounted member operative to conveying parts of the machine and irrespective 60 so »engage the twine with said part that the twine of whether the material is fedto such parts man will be carried into the machine by such part and ually or by a conveyor and it should therefore be around the bale disposed therein, means for op understood that it is not intended to limit the erating said memberv and means responsive to the inventio-n to the exact construction and mode of twine positioning movement of said element for operation herein shown and described as Various 65 controlling the operation of said-member. modiiications within the scope of the appended 6, In a machine embodying means for rolling claims may occur to persons skilled in the art. material delivered thereto into a formed cylindri It is claimed and desired to secure by Letters cal bale of predetermined diameter and means for Patent: positioning twine to be wrapped around the bale l. In a machine embodying means for rolling 70 while it is in the machine in proximity to a ma material delivered thereto into a formed cylin-v terial conveying part of the baleforming means, drical bale of predetermined diameter` and means a movably mounted member operative to so en for positioning the twine _to be wrapped around» gage the twine with said part that the twine will the bale while it is in the machine in proximity be carried into said machine by such part and to a material conveying part of the »bale forming 75 around the vbale disposed therein, means for op-" ber'. ' f 2,410,159 10 erating said member to repeatedly so engage the twine with said part, and means controlled by the pull exerted on the twine in entering the ma chine for terminating the operation of said mem ber. 7. In a machine embodying means for rolling material delivered thereto into a formed cylindri cal bale of predetermined diameter and means for positioning twine to be wrapped around the bale while it is in the machine in proximity to a material conveying part of the bale forming means, a movably mounted member operative to so engage the twine with said part that the twine will be carried into the machine by such part and around the bale disposed therein, means for re leasably retaining said member inoperative in a predetermined out-of-the-way position, and means respo-nsive to the positioning of the twine in proximity to said part for operating said mem ber. 8. In a machine embodying means for rolling material delivered thereto into a formed cylindri one end of the bale, and means operative to re lease and position said tube adjacent the other end of the bale with the twine carried thereby disposed in proximity to said press roll and part, a movably mounted member operative to tuck the twine between said press ro-ll and part for movement thereby into the’machine, a movably mounted element operatively connected with said member, actuating means for operating said ele ment to move said member and thereby tuck the twine between said press roll and part, latch means for releasably retaining said element and member inoperative in predetermined out-of the-way positions relative to said press roll and part and relative to said actuating means, re spectively, and means operative to control said latch means and thereby the operation of said element and member in response to predeter mined movements of said tube. 11. In combination in a machine embodying mechanism for rolling material delivered thereto into a formed cylindrical ybale and for positioning twine, which is to be carried into the machine cal bale of predetermined diameter and means and wrapped around the formed bale vdisposed including a tube movable to position the twine carried thereby adjacent one end of the bale and 25 therein, in proximity to a moving material conveying means having a surface portion which in proximity to a material receiving and convey is normally covered at least in part by the ma ing part of the bale forming means and then mov terial passing on into the machine, an additional able longitudinally of the bale toward the kother means operative to engage the twine with a part end thereof, a movably mounted member opera of said surface portion, in the event there is tive to so engage the twine with said part that the no material covering same, in a manner render twine will be carried into said machine by such ing said conveying means effective to carry the part and around the bale disposedqtherein, means twine on into the machine. , responsive to the positioning of said end of the 12. In combination in a machine embodying twine adjacent said one end of the bale and in proximity to said part for operating said mem 35 mechanism for rolling material delivered thereto into a formed cylindrical bale and for position ber, and means responsive to said longitudinal ing twine, which is to be carried into the ma movement `of the tube for terminating operation ` chine and wrapped around the formed bale dis of said member. posed therein, in proximity to a moving material 9. In a machine embodying means for rolling material delivered thereto into a formed cylindri 40 conveying means which is normally covered at least in part by the material passing thereover cal bale of predetermined diameter, means in and into the machine, a movably mounted mem cluding a tube movable longitudinally of the ber selectively positionable to engage the twine formed bale for spirally wrapping twine about a with a part of said conveying means in a man predetermined length of the bale while it is in the ner rendering said part effective to carryA the machine, means for releasably retaining said tube twine on into the machine in the event there is positioned adjacent one end of the bale, and means operative to release and position said tube - adjacent the other end of the bale with the twine carried thereby disposed in proximity to a mate rial receiving and conveying part of the bale V forming means, a movably mounted member op erative to so engage the twine with said part that the twine will be carried into the machine by such part and around the bale disposed therein, means for releasably retaining said member inoperative in a predetermined out-of-the-way position, means responsive to the positioning of said tube adjacent said other end of the bale for releasing no material entering same. 13. In combination in a machine embodying mechanism for rolling material delivered thereto into a formed cylindrical bale and for position ing twine, which is to be carried into the machine and wrapped around the formed bale disposed therein, in proximity to a part of the machine which moves in a direction tending to feed ma terial into the machine, an additional means operative to engage the twine with said part in a manner rendering same effective to carry the twine on into the machine. 14. In combination in a machine embodying 60 mechanism for rolling material delivered thereto gage the twine'with said part, and meansl respon into a formed cylindrical bale and for position sive to a movementof said tube from adjacent ing twine, which is to be carried into the ma said other end of the bale toward said one end chine and wrapped around the formed bale dis thereof for controlling reestablishment of the posed therein, in proximity to a part of the f connection between said member and the means machine which moves in a direction tending to, releasably retaining same inoperative. , feed material into the machine, a movably 10. In a machine embodying means including mounted member operative to engage the twine a press roll and a coacting material conveying with said part in a manner rendering same ef part for rolling material passing therebetween fective to carry the twine on into the machine, into a formed cylindrical bale of predetermined and means for operating said member and for diameter, means including a tube movable longi maintaining same inoperative in a predeter tudinally of the formed bale for spirally wrap and operating said member to repeatedly so en ping twine about a predetermined length of the bale while itis in said'machine, means for re leasably retaining said tube positioned adjacent 75 mined out-of-the-way position. ' PAUL H. HARRER. CLAYTON H. ROTH.