US261007A - Grain-binder - Google Patents

Description

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F. T. 8v F. A. LO'MONT. GRAIN BINDER. No. 261,007. l Y Patented -July 11, 1882,.

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GRAIN BINDER.

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GRAIN BINDER,

Patented July 11, 1882.

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GRAIN BINDER. i No. 261,007. Patented July 1l, 1882.A

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UNITED STATES PATENT OFFICE.

FRANCOIS T. LOMONT AND FRANCIS A. LOMONT, OF CEDAR RAPIDS, IOWA.

GRAIN-BINDER.

SPECIFICATION forming part of Letters Patent No. 261,007, dated July 11, 1882.

Application filed April 1, 1882. (Model.)

To all whom fit may concern Be it known that we, FRANCOIS T. LOMONT and FRANCIS A. LoMoN'r, citizens of the United States, residing at Cedar Rapids, in the county of Linn and State of Iowa, have invented certain new and useful Improvements in Grain-Binders, of which the following is a specification, reference being had therein to the accompanying drawings.

Figure l is a view mainlyin frontelevation, partly in section, of a binder embodying' our invention, the parts being in the positions occupied at the instant the needle has completed its upward movement, and just before the knotting and tying operations begin. Fig. 2 is a cross-section on line z z. Fig. 3 is a section on line tr x, Fig. 1, looking toward the delivery-table. Fig. 4 is a perspective view of the adjustable part of the table and the carrier for advancing the grain. Fig. 5 is a sectional view ofthe machine, taken online w a2', Fig. 1, and looking toward the stubble side. Fig. 6 is a top plan view of the binder, the gathering-arms be'ing removed and a portion ofthe needle being broken away. Fig. 7 is a vertical section on line y y of Fig. 6. Fig. 8 is a face view or inside elevation of the camwheel which throws the clutch out of engagement with the binding mechanism and into engagement with the gathering devices. Fig. 9 is a face view or elevation from the outside of the rocking and sliding plate which shifts the clutch. Fig. 10 is a horizontal section of the looping, knotting, and cutting devices, taken on line y' y' of Fig. l Fig. l1 is a perspective view ot' the looping-tubes, the knothooks, the wheel which rotates the loopers, the knife, and the upper end of the needle, the strands of cord being shown in the positions 4o occupied at the instant the loops are formed and the knife begins to cut the strands and the knot-hooks begin to retract for forming the knot. Fig. 12 is a top view of the needle, the compressor, the toothed segment which operates the compressor, the tripping-arm, and a portion ot' the part of the platform which supports these devices, the compressor being in the position occupied by it when the needle is down and after the bound gavel has been discharged. Fig. 13 is a vertical section of the looper J 2 J3 L2.

A represents the frontwall or sill of binderframe, and A' the rear wall or sill. These may be connected byany number of suitable girts or cross-pieces. The main frame-work does not essentially enter into the invention, and therefore may be of any suitable character. This binder-frame is connected with the main frame of the harvester in the ordinary manner, and is properly related to the harvester-elevator. We use an inclined frame between the main binder-frame and the harvester-elevator frame, shown in the drawings to be constructed ot' inclined uprights B B', a "bottom cross-piece, C, and a top cross-piece, C'.

D represents the binding-platform, and to this the grain is guided over an inclined table supported upon the inclined frame B B' C C. This inclined table is formed in two parts, one part, E, being stationary upon the frame, and

' the other part, E' ,being arranged to swing at the lower end. This latter part is formed with a flange or wall,`F, arranged to have the butts of the grain strike against it as they are passingdownward to the binding-platform. It will be seen that if the part E', carrying the ilange or wall F, can be oscllated at the lower end inward and outward'a means is provided for regulating the position at which the butts of the grain shall be delivered to the binding-table. We provide such oscillation as follows: Upon the under side of the,part E of the inclined table we place a bar, F'. This bar is pivotally connected to the piece B ofthe inclined frame by means, preferably, of two plates, G G', attached respectively to the part B and the bar F', and a pivot, H, passing through said plates. The driver while sitting in his seat can adjust the position of the oscillating part E' on the table, by means of levers and links. Thus a link, H', may project backward and be connected by bell-cranks and levers with the drivers platform, so that he can move it into and lock it in any desired position.

It is well known that as the grain is being delivered from the elevator to the binding-platform there is a tendency for the heads to travel faster than the butts. We insure that the butts shall reach the platform simultaneously with the heads by the following devices: I is an endless chain having teeth or arms I' projecting outwardly. The chain runs upon sprocket-wheels IOO K', projecting from the bar F'.

.I J', which are mounted upon pins or shafts K The shaft K' projects through the bar F' and by a universal coupling, L, is connected to a shaft, L'.

IWI is a pinion upon the outside of the frame B, and with it engages a wheel, M' carried by the shaft on the roller N.

The wheels J and J' are so situated relatively to the table E E' that the arms I' shall project a short distance through the said table.

When the machine is in operation the roller N is rotated and it. through the wheels M' and M and the shafts K' and L', rotates the wheels J and J' and the chain I in such manner that the arms I' are caused to engage with the butts of the grain and force them downward, thus accelerating their speed and delivering that portion of the straw upon the table simultaneously with the heads.

The universal coupling at L is situated on substantially the same line as the ,pivot H, and therefore, as will readily be seen, in whatever position the part E' of the table is placed there will be no interference with the movements or operation of the chain I I'.

N', Fig. l, represents a shield at the rear end of the inclined frame, adapted to prevent the grain from sliding backward oft' from said end, and adapted also to assist in throwing the heads forward as the straw is being carried over the binding-platform.

The compressing and tying mechanisms are situated at or near the outer side of the binding-platform, the compressing mechanism being mounted below the plane of the platf'orm and the tying and cutting mechanism above the same.

O O' represent the needle or carrying arm. It is pivoted at P on a stud-shaft, P', projecting outwardly from the front side of the binderframe. It is formed with a curved part, O, and the heel-plate O'. In thislatter part is formed a curved cam-slot, Q Q'. The needle is reciprocated by the crank-arm R', carried by the shaft R, the crank It' passing through and traveling in the slot Q Q'. 0n the shaft R are mounted a sprocket-wheel, S, a sleeve, S', a clutch-wheel, T, and a cam-wheel, T', the sprocket-wheel S and the two wheels T Tl being keyedv to said shaft, and the sleeve S'I beingloosethereon. ThesleeveS'hasasprocketwheel, T2, and feathers or splines U. The sprocket-wheel T2 receives power from any suitable point upon the harvester and imparts it alternately to the gathering mechanism and to the needle-arm and tying mechanism. Thel alternation in the imparting of power is caused by a sliding clutch constructed as follows:

Vis a wheel surrounding the sleeve S'. It is rotated by said sleeve by means of the feathers U, which, however, permit it to slide longitudinally on the sleeve. The wheel V has annular grooves V' V2 in its faces, Vl being toward the drive-wheel T2 and V2 being toward clutch-wheel T. In the grooves are mounted two or more rollers, W W', whereby the wheel may be used for clutching. The wheel hasa circumferential groove in which iits loosely a surrounding ring, X.

X' X' are arms rigidly attached to the ring X at one end, and at the other end they are each attached to a sliding plate, Y, mounted loosely on the shaft R, between the clutchwheel T and the cam-wheel T'.

Y' is a coiled spring around shaft It, bearing in one direction against the clutch-wheel T and in the other against the sliding plate Y. The clutch-wheelT is provided with clutching-teeth Z, adapted to engage with the rollers W on wheel V. Y

Z' is a sprocket-wheel mounted loosely on the sleeve S', between the power sprocketwheel Tz and the sliding clutch-wheel V. It is provided with laterally-projecting clutchteeth Z2, adapted to engage with the rollers W' in groove V'.

The cam-wheel T' has a roller, a, adapted toy engage with a cam, a', on the sliding plate Y. This cam a' has an inclined part, b, and a part,

b', parallel to the direction of rotation of the 9o shaft R. At every revolution of shaft R the cam-wheel T' engages with the cam a', and thrusts the plate Y, ring X, and the sliding clutch-wheel V inward into engagement with the sprocket-wheel Z'. Thrusting the clutchwheel V into engagement with the sprocket-wheel Z' thrusts said clutch-wheel outof engagement with clutch-wheel T, and inasmuch as throwing the wheel V out of engagement with the wheel T disengages the roo power from the shaft It, that shaft will be stationary until the clutch is thrown back into engagement with clutch-wheel T, and therefore the cam-Wheel T' will have its roller a upon the surface b' of cam a', and while the 105 roller is in this position the plateY will be held at its innermost position. The cam a' 'is disengaged from the roller t by the following devices: c is an arm or short lever keyed to a rock-shaft c'. It carries a short pivoted le- 11o ver or arm, d, pivoted at d', said arm d being arranged to engage with ythe sliding clutch V X X' Y by means ofone ofthe arms X', against which it strikes when the shaft c' is rotated.

When it (said arm d) engages with the arm or 115 bar X' it causes a partial rotation of the plate Y, sufficiently to carry the cam a' beyond the roller a. After the cam passes the roller the spring Y' forces the sliding plate Y into its outermost position, carrying with it ring X 12o The rock-shaft c' is mounted below the bind- 125 ing-platform, and extends across to the other side of the platform. At the end opposite to the lever c it carries an arm,p, secured rigidly to the shaft. This arm p projects upwardly above the binding-platt'orm. The straw is 13o pressed against this arm by the gathering-iingers, and when a sufficient amount has been binder-frame toward the elevator-frame.

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accumulated the pressure caused by the straw against the arm results in a rocking` of the shaft c', which in turn, by means of the arms c and d, causes a partial rotation of the plate in the manner above described.

Although we have shown that form of the clutch T which we prefer, and of the part Y which moves the sliding clutch V, it will be readily understood that these parts can be moved without departing essentially from the spirit of our invention; and also that other devices may be substituted which are wellknown equivalents. Instead of a circular plate like that at T carrying the clutch-teeth, use may be, made of one or more pins inserted through or into the shaft R and arranged to engage with teeth on the sliding clutch-plate V. Instead of a circular plate, Y, a collar with projecting arms may be used if the arms be connected to the sliding clutch by bars. Instead of the circular wheel or plate T', use may be made of a collar and an arm to support the projecting part which engages with the cam a.' to thrust the part Y inward.

When the clutch Vis engaging with the sprocket-wheel Z', power is through them conveyed to the gathering-arms e e by means of a chain,f, asprocket-wheel,f,on a stud-shaft, g, a spur-wheel, g', on said stud-shaft, acrankshaft, h, and a spur-wheel, h', meshing with the spur-wheel g. The crank-shaft h is mounted in armsfi t" i2, projecting laterally from the The stud-shaft g is secured to and projects rearwardly from` the rear arm, i. Between the su ortin -arms t" t2 a crank is formed on DI) a 1 the shaft h, andin front of the arm i2 another crank, j', is formed. The cranks j j are diametrically opposite to each other.

k is a link pivoted to the arm i', outside the crankj, and k is a similar link pivoted to the arm i2 or to a supporting-piece, l, projecting therefrom. The gathering-arms e e are lpivoted to the cranks j j at or near their centers longitudinally. Each is formed with elongated The slotted portions areconnected with the links/c k by means of pins m m passing through the slots l Z.

n n, Fig. 2, are rubber rollers mounted on the pins m m', and o o are plates between the heads of pins m m and the rollers a a. These rubber rollers in the slots in the gatheringarms obviate many of the difficulties that have been met with in using packer-arms as heretofore constructed. The gathering or packing arms as heretofore made and mounted have been so arranged as to always travel over the same paths. Therefore when the tripping mechanism has been employed the grain is forced against the trip with the same pressure when the bundle is nearly finished that is exerted when the bundle is commenced. Experience, however, has shown that the pressure should vary during the formation ot' the buudle. By the flexible rollers a n the packerarms are permitted to yield so that their paths of travel are not as long when the bundle is nearly completed as they are when the bundle is commenced.

Power is transmitted to the tying and cuttingl mechanism from the sprocket-wheel S by means of a chain, q, this chain engaging with a sprocket-wheel, q', mounted on the upper platform, r. This platform may be supported in any suitable way. We prefer to supportit by means ot' an upright, r', extending upwardly from the binding-platform and at the rear side thereof. Above this upper table, r, is mounted a shaft, s, to which is keyed the sprocketwheel q. To this shaft s, besides the sprocket-wheel q', are keyed a wheel, s', near the center, and a wheel, t, this latter carrying on its periphery two sets of spur-teeth au', the sets of teeth being in different vertical planes (see Fig. 1l) and extending around but a portion ofthe periphery. The shaft s at the front end is mounted in a standard or frame-piece, t. This. frame-piece has bearings not only at t for shaft s, but also at w and fw', Fig. 10, for two rotating tubes or sleeves, A2 A2. The sleeves A2 A3 are at their rear ends mounted in another frame-piece, B2. They (the sleeves) project forward through the frame-piece t', and are shaped to form loopers at their frontends. Within the sleeves or tubes A2 A3 are placed sliding tubes C2 G3.

D2 D3 are knotting rods provided with hooks d5 d2. They are situated within the tubes C2 C2, and arranged to slide out and back through the sleeves or tubes A2 A3. The rods D2 D3 and the tubes G2 O3 are thrustfor- Ward and drawn back bymeansofacrank-wheel, E2, mounted on a vertical axis. Upon its upper face it has a bevel-gear wheel, E3, and to its under face is connected a pitman, F2, by a crank-pin, F2. The pitman F2 at its forward en d is pivoted to a cross-head, I2, which crosshead is secured rigidly to the knot-hook rods D2D3.

The wheel s at or near the center of shaft sis provided with a segmental bevel-gear with teeth of sufficient number to impart one revolution to the wheel E2 at every revolution of the wheel s. Therefore at every revolution of said wheel s' the knot-hook rods D2 D2 will be thrust outward and drawn back once.

G2 G3 aresmall pinions-one,G2, keyed to the sleeve or hollow tube A2, and the other to a counter-shaft, G2, Fig. -wheel G2 being situated in the plane of the spur-teeth u on the wheel t, and the wheel Gr3 being in the plane of teeth u. G5 is a pinion on sleeve or tube A3, driven by wheel G2. are situated upon opposite sides of the wheel t, and the pinions G2 G3 are so related to said wheel and to each other that the spur-teeth u begin to engage with the wheel G2 at the same time that the teeth u begin to engage with the wheel G3. It results in a simultaneous revolution ot' the rotating sleeves A2 A3, the sleeves bein g revolved in opposite directions.

H2 represents the knife. 1t is carried by a The sleeves A2 A34 lOO IIO

rod, H4, which slides in bearings formed in the frame-pieces t and B2. It is situated midway between the looping-tubes A2 A2, and is reciprocated by the cross-head 12. The outer ends ofthe looping-tubes are situated in the vertical plane in which the needle travels. Therefore when the needle comes up it carries the cord across the tubes and lays it in proper position to have two knots tied therein. The looping portion of the tube or sleeve A2 is formed to have an enlarged daring part, J2, so shaped that its outer surface at J2, Fig. 13, shall permit the loop to slide on from the end. At L2 there is formed a tube large enough to receive the sliding tube G2 and the knot-hook on rod D2. One side of the tube L2 hasaslot, L2, extending from end to end. The tube L2 projects .inwardly from the end of the looping portion, so as to form an open eye at M2, wherein the strands of the twine can be received and retained duringcertain times in the operation. At the outer end of the tube L2 there is formed a stop, M2, against which the sliding tube O2 strikes to prevent its moving beyond the tube L2.

By an examination of the drawings it will be seen that the looping portion of the tube is formed upon curved lines, the head part J2 being situated on a line inclined to the line of the tube A2, but curved around so as to bring the tube L2 into line with the part A2. At N2 there is formed a socket or recess to receive the knot as the strands are being drawn in by the knot-hook. The looping-head upon the tubeA2 isformed with parts analogous in shape and relation to those described on tube A2. Thus the curved head is shown at O2 O2, a slotted tube at P2 P2, forming an eye, Q2, and having a stop, Q2.

On the needle-shaft a compressor, R2, is mounted. lt is arranged oppositely to the needle, and is forced toward the needle against the straw by means of a toothed segment, R2, on the needle-shaft P', and a toothed segment, S2, on the shaft R. S2 is a coiled spring around the needle shaft, interposed between the toothed segment R2 and the compressor R2, the spring being fastened at one end to the compressor and at the other to the toothed segment. This spring and the segment together operate to bring the compressor R2 toward the needle against the straw with a yielding pressure.

On the outer end of the crank'which operates the needle there is secured an arm, T5, which operates to throw the bound gavels or bundles oi' from the platform.

We employ two twine-receptacles, situated at suitable points. One is preferably located below the binder-platform and the other above the supplemental platform r, though other posiy tions than these may be used, if desired. The

needle is provided with an eye, T4, near the point for guiding the cord. The cord passes backward for a short distance along the periphery ofthe needle in a groove, and thence to the cord-receptacle U2. If desirable, a suitable take-up mechanism may be employed between the cord-receptacle and the needle. Another cord runs from the receptacle U2 to the cord in the needle, passing through an eye, W2, near the looping-head J2 J2, there being a take-up mechanism at W2. The two cords are knotted together, as shown at X2. For convenience in description and in illustration we have lettered the cords respectively Y2 Y2.

At Z4 there is a guide which, as the needle comes up, operates to guide the strands of the cord down into the eye M2 Q2 on the loopingheads.

The toothed segment S2 on crank-shaft R has the teeth S5 s and a segmental piece, s". The segment R2 has two teeth, r2 r2, and a short arm, 1. When the crank-shaft R begins to elevate the needle the tooth S5 on segment S2 engages with the tooth r5 on the segment R2, and begins to throw the compressor R2 up. lWhen the teeth .S5 and T5 disengage, teeth r2 and s6 engage and continue to throw the compressor'upward. When the latter disengage, the segmental piece s` engages with the arm W, and this insures that the compressor shall be held in its uppermost position until the end s2 of the segment reaches the arm r2, which occurs at the instant the needle comes down, when the bound gavel is to be removed. After the end s2 passes the arm i the compressor is free to drop outward and drops until the shoulder at r2 on the toothed segment R2 strikes the stop r2 on the frame. This stop r2 holds the segment in such position that at the next revolution of the crank-shaft R tooth r2 shall be in position to be engaged by the tooth S5 of the segment S2.

Al1 is a spring connected at one end with the rock-shaft c and at the other to the stationary part of the frame. It operates to return the arm p into its upright'position, after the gavel is discharged, by partially turning the rockshaft. may be combined, as I have shown in Figs. 6 and 9, wherein Alo is a plate carried by the frame of the machine, A8 is a bolt or threaded rod passing through the plate and connected to the spring A11, and A9 is a nut by which the position of the bolt or rod can be adjusted and with it the tension of the spring A, If the tension of the spring be increased, it will take a greater force to move the arm p, and therefore a larger gavel will be required to trip the binding mechanism. In this way the size of the bundles may be varied as circumstances may require. The ,cross-head 12, which is attached to the reciprocating knot-hook rods, may be adjusted along the rods in such manner as to insure that they shall move the proper distances. So also the rod H4 of the knife may be adjustably secured to the cross-head to regulate the operation of the knife. The knife should be so adjusted as that it will sever the strands of cord soon enough to prevent the tension of the cord from interfering with the knotting mechanism.

Y4 is a guide, which insures that the strands With this spring A adjusting devices IIS xfew of the cord shall be delivered properly to and retained in the eye M2 on the looper-head J2 J3. C5 C5 are coiled springs placed around the knotting-rods D2 D3. They bear against the inner end of the sliding tube C2 in one direction,'and in the other direction bear against a shoulder at C3 formed on the knotting-rod. After the tube O2 has been moved outward and strikes against the stop M3, the spring C3 permits the knotting-rod to move a short distance farther out, so that the hook on the end can grasp the strands beyond the tube G2.

Having thus described the construction of the various parts of the machine, their methods of attachment, and their positions relatively to each other, we will now describe the operation of the mechanism.

Suppose the clutch V to'be in engagement with the sprocket-wheel Z', (which, through chain f, rotates the crank-shaft h,) and therefore out of engagement with the clutch-plate T. The shaft Ris at rest, and also the needle and the tying mechanism. The trip-arm p is in its uprightposition, and the needle is below the platform. The shaft It is rotating, and the arms e e are reciprocating and gathering the straw and forcing it against the arm p. After a sufficientamount has been compressed against said arm,the shaft c' will be rocked. The rocking of the shaft c elevates the arms c and d, which, engaging with one of the armsX, give a partial rotation to the sliding plate Y. This partial rotation of plate Y releases cam a from the roller a. After this release the springY' forces the plate outward, drawing the clutchwheel V away from sprocket-wheel Z and into engagement with the clutch-wheel T. This instantly stops wheel Z', shaft h, and gathering-arms ce', and sets in motion shaft R, crank R', toothed segment S2, and shaft s. The crank R elevates the needle upon the inside of the gavel, and the tooth-segments S2 R3 throw up the compressor-arm R2 upon the outside of the gavel. At the instant the needle begins to rise the cords Y2 Y3 are in the positions shown in dotted lines in Fig. l-that is to say, the cord Y3 extends from the lower receiver along the periphery of the needle, thence under the gavel to the knot X2, and the cord Y2 extends from the upper receiver, U3, through the eye W2 and eyes M2 and Q2, down inside of the supplemental platform r, around the outside of the gavel to the knot X2. At the instant the needle has completed its upward movement the cords are in the position shown in full lines in Fig. l-that is to say, the cord Y3 has been brought up by the needle and placed in the eyes M2 Q2 by the side of the cord Y2. As soon as this is accomplished the partial gears u u' on wheel t engage with the spur-wheels G2 G3, and impart to tubes A2 A3 one revolution, the tube A2 revolving in one direction and the tube A3 in the opposite. This revolution of the tubes forms two loops. As soon as the partial gears u u disengage from the pinions G2 G3, the partial gear on wheel s engages with bevel-wheel E3 and imparts one revolution to it and to the crankwheel E2'formed therewith. This revolution of wheel E2 slides the cross-head I2 forward and back. The cross-head carries forward with it the knot-hook rods D2 D3 and the knife H2. The knot-hook rods D2 D3 carry forward the lower sliding tubes, C2 C3, pushing them out until they are stopped by the stops M3 and Q3'. Notwithstanding the stopping of the sliding tubes C2 C3, the knot-hook rods D2 D3 still slide outward sufficiently far to carry their hooks d5 d5 out beyond the ends of the tubes L2 P2. The knife H2 vis at the same time and by the same operation thrust out beyond the two strands lying between the two loopingtubes. Before the knot-hooks are thrust out the cords are in the position shown in Fig. 6. After said hooks are thrust out the parts are in the position shown in Fig. l1, the hooks now catching the strands which cross the two loops. Immediately after catching them they (the rods D2 D3) are retracted, as is also the knife H2. The knife cuts the strands between the two looping-tubes, and the knot-hooks d3 di pull the cross-strands through theloop-tubes G2 C3, operatin g to give the hooked ends of the rods a firm grip upon the twine. The hooks pull the cut ends through the loops, and thus form two knots. As soon as the knots are formed the tension of the cords pulls the knots from the tube, the knot X4, Fig. 11, being that which ties the ends of the cord that passes around the gavel, and the knots X2 being the one which ties together again the cord Y3, running from the cord-receptacle U2, and cord Y2 from receptacle U3. Immediately at the close of this operation the needle is retracted downward, for it will be understood that the crank R during these last-described operations is continuing to move, making its one revolution, the first part of this revolution having been required to elevate the needle, the last part to retract it. At the same time that the crank throws the needle downward it brings up the arm T5, which from behind the gavel presses against it and pushesit over the arm p off the platform. As soon as the bound gavel escapes the arm p is thrown into its uppermost position again by the spring A11 engaging with the rock-shaft c. At this same instant-that is to say, at the instant at which the needle reaches its lowest position-the roller a engages with `cam a', and thrusts plate Y inward, which in turn throws the clutch-wheel V out of engagement with clutch-wheel T and into engagement with the sprocket-wheel Z. The said sprocket-wheel begins again to rotate, actuating the crank-shaft It and the gathering-arms e e for a new bundle-forming-and-tyin g operation.

It will be seen that while the needle is rising to its uppermost position the blank space t3 on wheel s is rotated in proximity to the bevelwheel E3, and therefore said wheel is stationary; and, further, that the blank spaces c3 n4 IOO on wheel t are in proximity respectively to the pinions G2 and G3. Hence while the needle is rising the looping and knotting mechanisms are at rest; but the partial gears on wheels s' and t are so related to their pinions that as soon as lthe needle is up the three pinions are rotated.

It will be further seen'that by interposing a counter-shaft, G, between spur-teeth u' and pinion G5 on tube A3 there'results a revolution of said tube A3 opposite to that of A2. This opposite revolution of the looping-tubes insures that there shall be a proper tensionof the cord between the tubes. The slots L3 and P3 are upon opposite sides of the tubes L2 and P2, inasmuch as the strands which form the gavel (after the cords are cut which surround the gavel) extend inward, and therefore to escape must have the slot P3 inward, and the strands which form the new band extend outward toward the eye W2, and therefore the slot L3 must be outward.

By tying two knots we avoid entirely the necessity of any grippers or clamping-jaws for grasping the cut end of the cord after it is severed by the knife. These grippers or clamping-jaws have been a source of great inconvenience and trouble in the operation of the grain-binders heretofore employed. It will be readily seen that our construction is much simpler than those now commonly used, requiring no delicately constructed and adjusted parts Whatever.

We do not in this case claim anything except what is specifically set forth in the claims, reserving to ourselves the right to claim all other patentable subject-matter herein shown and described in another application heretofore filed, of which this is a division.

What we claim is- 1. The combination, with the binding-platform and the elevator, of the inclined table made in two parts, E E', the part E' being arranged to swing, and provided with a guide orhlhe butts of the grain, substantially as set 2. The combination, with the binding-table l and the elevator, of the inclined table formed in two parts, E E', the part E' being arranged to swing, and the mechanism for facilitating the travel of the butts of the grain, substantially as set forth.

3. The combination, with the binding-platform, the elevator, the inclined table, consisting of the stationary part E and the swinging part E', and the chain I, mounted on said swinging part E', of a llexible power-transmitting device for rotating said chain, substantially as set forth.

4. The combination, with the needle, the crank-shaft R, which rcciprocates the needle, the clutch-plate T, secured to said shaft, the sliding clutch V, the cam-wheel T', and the sliding plate Y, which carries the clutch V, of the rockshaft c', arms c d, and the tripping-arm p, secured to the shaft c', substantially as set forth.

5. The combination, with the needle, the

tying and cutting mechanism, the shaft R, the cra-nk R', which vibrates the needle, the wheel S, keyed to the shaft, the power-transmittin g devices between wheel S and the tying and cutting mechanism, the shaft h, the vibrating gathering-arms on said shaft h, the wheel Z', the power-transmittin g devices between wheel Z' and shaft h, and the wheel T for rotating shaft R, of the sliding clutch around the shaft adapted to transmit power alternately to said wheel Z' and wheel T, substantially as set forth. A

6. The combination, with the shaft It, which operates the needle, the fixed wheel S thereon, which operates the knotter and cutter, and the wheel Z', mounted loosely relatively to said shaft, of the power-wheel T2, mounted loosely upon said shaft, and the mechanism adapted to alternately engage said wheel T2 with the wheel Z' and with the shaft R, substantially as set forth.

7. The combination of the following elements, namely: the reciprocating arms for gathering the straw, the crank-shaft which operates them, the intermittently-operating needle, the intermittently-rotating shaft R, the continuously-rotatin g power-wheel T2 thereon, the sliding clutch adapted to transmit power from said wheel T2 alternately to the mechanism which operates the gathering-arms and to the shaft R, and an automatic tripping mechanism, which throws said clutch into engagement with the shaft It, substantially as set forth.

'8. The combination, with the needle, of the shaft P', on which it is pivoted, the toothed segment R2, the shaft R, the toothed segment S2 on said shaft It, and the compressor R2onthe shaft P', arranged, substantially as described, to drop when the binding has been completed and to be drawn toward the needle as the needle rises, as set forth.

9. The combination, with the needle, of the shaft P', on which it is mounted, the shaft It, having the crank R', the toothed segment S2, the compressor R2 on the needle-shaft, and the coiled spring S3 between the compressor R2 and the toothed segment R3, substantially as and for the purposes set forth.

10. The combination,with the needle, of the shaft P', on which it is pivoted, the compressor R2, the toothed segment R3 on said shaft, the shaft R, having a crank, It', and the toothed segment S2 on said shaft, having the teeth S5 sG and the elongated curved surface si, substantially as set forth.

l1. The combination, with the gatheringarms provided with the slots Z' Z' behind their pivots, and the links 7c k', ofthe rollers made of rubber and situated within said slots, substantially as set forth.

l2. In a grain-binder, the combination of two looping-tubes, two reciprocating knottinghooks, a knife or cutter, and mechanism for reciprocating the knot-hooks and the cutter simultaneously, substantially as set forth.

13. The herein described looping device,

9O V95 I IOO ,4

consisting of the revolving tube A2, having the expanded head J2, with the curved outer ends at J 3, and the inwardly-projectin g tube Lz, situated centrally relatively to the part A2, to 5 form an open eye, M2, and provided with a slot, L3, substantially as set forth.

14. In a grain-binder, the herein-described knotter, consisting of the revolving tube A2,

having the looping-head J2 J3, with the open t ing the cut ends of the cords on the machine, substantially as set forth.

18. In a grain-binder, the combination of z5 two knottng mechanisms, two cordrecepta cles, and a needle or cord arm, arranged and operating substantially as set forth.

19. In a grain-binder, the combination of two looping-tubes arranged to be rotated si- 3o inultaneously in opposite directions to form two separate knots, and means for guidinginto said tubes before they rotate two parallel strands of cord, said strands coming respectively from opposite sides of the gavel, sub- 35 stantially as set forth.

In testimony whereof we aix our signatures in presence of two witnesses.

FRANCOIS T. LOMONT. FRANCIS A. LOMONT. Witnesses:

ALEX. IRVING, WM. FRAGER.

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