US276458A - Grain-binder for harvesters - Google Patents

Description

(Moc leL) 5 Sheets-Sheet, 1.

W. M. PIATT.

GRAIN BINDER FOR HARVESTERS.

No.2? 4 a Y I 24,1883.

(ModeL) 5 Sheets-Sheet 2.

W. M. PIATT.

, I GRAIN BINDER FOR HARVESI'ERS. No. 276,458. Patented Ap1nZ4 1883.

"i will u: nu.

(ModeL) '5 Sheets-Sheet 3. W. M. PIATT; I GRAIN BINDER FOR HARVBSTERS.

Patented Apr. 24, 1883. I

N. FEIERS. Fholo-Lilhngnyhlr. war-mm" n c (ModeL) 5 Sheets--Sheet 4.

W.;1vI.. PIATT,

GRAIN BINDER FOB. H'ARVBSTBRS. No. 276,458. Patented Apr. 24,'1883.

rl. PETERS. Phclo-Lilbograplwn Washington. 0,6.

(Model) 5She'ets-Sheet5.

W. M.. PIATT.

GRAINBINDER FOR HARVESTERS. No. 276,458, Patented Apr. 24, 1883.

' binding the cut grain, and my object is to pro 'UNITED- STATES f PATENT OFFICE.

WILLIAM M. PIATT, OF WEST LIBERTY, OHIO.

GRAlN-BlND ER FOR HARVESTERS.

SPECIFIGATIUN forming part; of Letters Patent No. 276,458, dated April 24, 1883.

Application filed August 31, 1882. (Model.)

siding at West Liberty, in the county of L0- .gan and State of Ohio, have invented certain new and useful Improvements in Grain-Binders for Harvesters; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to that class of automatic binders which employ cord or twine for duce a simple, strong, and efficient machine.

The novelty of my invention consists in the construction, combinations, and arrangements of the various elements or parts, as will be herewith set forth and specifically claimed.

In the accompanying drawings, Figure 1 is a plan view of a harvester containing my improvements. 'Fig.2 is a section of the 1nachine through the line w 00 of Fig. 1. Fig. 3 is section through the platform at the junction of the receiving and elevating aprons, showing the shearing-knife there located. Fig. 4

,is an enlarged detail view of the needle-shaftoperating devices. Fig. 5 is an enlarged sectional view of the sheaf-dropping table and its operating mechanism. Fig. 6 is a sectional view through the machine on the line 2 z" of Fig. 1. Fig. 7 is an enlarged detail view,

partly in section, of the needle-shaft and its immediate connections. Fig.8comprises three enlarged detail views of the gavel receiving cradle, and its immediate connections. Fig. 9 is an enlarged plan view, partly in' section,

,of the cord holding and tying mechanism.

Fig. 10 is an end elevation ofFig. 9. Fig. 11 is asection through the line y y of Fig. 9. Fig. 12 is a side elevation, partly in section through the line 2 z of Fig. 10. Fig. 13 is an enlarged view, in perspective, of the knot-tying mechanism. Figs. 14, 15, and 16 represent the end of the knot-tyer in various positions in its course of revolution while forming the knot. Fig. 17 is an enlarged view of the gavel-compressing arms and actuating mechanism.

The same letters and figures of reference indicatelike parts in all the figures.

. For a general description of the machine,

referring to Fig. 1,A-is an y suitabl y-connected and strong frame-work for supporting the op.- erating parts, as is usual in this class of machines.

B is the main supporting and driving wheel, having an internal gear, G, which drives the pinion D, secured by ratchet-connection upon the end of a shaft, E, so as not to revolve when the machine is backed. The other end of this shaft carries a beveled-gear wheel, F, which in turn meshes with a beveled gear wheel, G, keyed upon a shaft, 1-]. suitably journaled in the frame and bracket D, as seen in Figs. 1, 2, and 6, and extending about halfway across the frame in the line of draft of the machine. 7

Upon the front end of shaft H is secured a pinion, I, meshing with a pinion, J, upon the end of a crank-shaft, K, whose crank L is connected by a pitman, M, to the usual cutterbar, N.

The grain-receiving platform is ahorizontal traveling endless apron or web, 0, with transverse ribs P, and said apron is carried upon rollers R, journaled in the frame-work. The roller R nearest the wheel B is driven to cause the traveling of the apron by the following mechanism: A miter-pinion, S, upon the shaft H meshes with a like pinion, T, secured to a clutch-sleeve, U, which is, when the clutch is disengaged, free to revolve upon the end of a suitably-journaled shaft, W, without revolving said shaft. Upon this shaft is a sliding sleeve, V, with its end formed into a clutch to engage with the clutch U, as shown. Pins Y, projecting from the shaft-W, extend through longitudinal slots in the sleeve V, thereby locking the sleeve and shaft so as to revolve together, but leaving the former free to slide upon the latter. A miter-pinion, a, is keyed upon the shaft W, and engages with a corresponding pinion, 1), upon the roller B, and

which time the shaft W will cease to revolve and the apron 0 be stopped, thereby stopping the delivery of grain. The mechanism for end of the shaft H, as shown particularly in ment with'the clutch E, but preventing it from'revolving independently of the shaft. A

which is made hollow to receive it, and from throwing the above-mentioned clutches out of engagement will be hereinafter described.

Adjacent to the inner end of the apron 0, so as to take the cut grain'therefrom, are two narrow aprons, O", inclined so as to carry the grain up to the binding mechanism. These aprons are set side by side, with a space between them, and they are carried upon drums d and 6, Figs. 1, 2, and 7. The drums at are the driving-drums, and are secured upon the driving-shaftf, suitablyjournaledin the frame, while the drums 6 run loosely upon the needleshaft, to be hereinafter described. Motion is communicated from the shaft H to the shaft-f by sprocket-wheels g and driving-chain It, as seen in Fig. 1.

Overlapping the edges of the aprons C are the metal guards t, which are hung upon the shaftfand the needle-shaft, and secured from d'isplacementin any convenient manner. These guards are shown more particularly in Figs. 1, 2, and 7, and, in addition to keeping the aprons from running off their drums, serve as means for holding the rightangular pivoted teethj in proper position. These latter are metal rods or wires secured in sheaths k, extending across the aprons and secured thereto. Their ends are bent at right angles to their length, and stand out from the rods radially at right angles to each other, so that as the aprons revolve the rear bent ends are caused to lie fiat upon the guards i, and thus retain the front bent ends projected up from the aprons, as shown in Fig. 1, and more particularly in Fig. 2. I

The needle-shaft l, which passes through the drums e, is suitably journaled in the frame of the machine, and carries the curved needle m near its middle, which rests and plays in the opening between the aprons, as shown. The cord-box a is secured upon the rear of the machine in any proper way, and the cord 0 passes up through an opening in its top, around any suitable tension-roller or device 1), and thence into the open end of the needle-shaft,

said shaft up through the needle, which is likewise hollow, as seen in Fig. 7. The cord emerges from an eye in the sharpened end of the needle, as seen in Fig. 1. In the same vertical plane with the shaft H, but above it and parallel with it, is a shaft, A, suitably journaled in the frame and in brackets B, C, and D, extending therefrom, as scenin Figs. 1 and 6. This shaft has upon its forward end, which extends over the rear end of shaft H, a loose clutch-sleeve,E,to which is secured a pinion,F, meshing with a smaller pinion, Gr, upon' the Fig. 6. A second clutch-sleeve, H, adapted to engage with the sleeve E, is held uponthe shaft A by a pin, 1, projecting from the shaft through a longitudinal slot in the sleeve H, as seen in Fig. 8, thusallowing the sleeve to slide upon the shaft into and out of engagespiral spring, J, surrounding shaft, A and held between a collar, K, and the sleeve H, serves to throw and hold the clutch-faces in engagement under certain conditions'of the parts, to be presently explained.

Just under the sleeve H is a concave member, L, having a diagonal slot, M, in its bed, as seen in Fig. 8. This concave member L is supported yieldingly against the sleeve H by a curved spring, N projecting from the frame, and it (the concave member) carries the cradle-arms O, which receive the gavel from the aprons 0. These arms, of any desired number, are shown in Figs. 1, 2, 6, and 8.

Projecting from the sleeve H is a stud or pin, P, which enters the slot M in the concave member, and by means of which slot and pin the sleeve H is kept withdrawn out of engagement with the clutch E. Thus it will be seen that normally the clutch-sleeves aredisengaged and the shaft A at rest, though the shaft H and pinions F G are continuously revolving. This state of things continues until enough grain has been received upon thea-rms O to make a sheaf,when, owing to the weight of the grain, the arms 0 and theconcave member L are depressed sufficiently to withdraw the pin 1 from its slot M,--at which moment the spring J, being freed, throws the clutchsleeves H and E into eugagement,and thereby starts the revolution of the shaft A. The gavel now having been bound by the needlearm,and the cord being tied and out by mechanism to be presently described, the sheaf is I dropped from the arms 0 upon the subjacent dropping-table, and the spring N elevates the concave member L against the sleeve H. This revolution of the shaft A and sleeve H continues until the pin P, coming around,reenters the slot M and effects the disengage ment of the sleeve H from sleeve E, whereupon the shaft A stops. Thus it will be seen that every time a gavel is'ready to be bound the shaft A is given one entire revolution and then rests. Now, upon the rear end of the shaft A is a crank, R, connected by apitman, S, with a wrist-pin upon a segment-gear, T. (See Fig. 4.) The segment T meshes with a pinion,U, upon the rear end of theneedleshaft, and the arrangement of the parts is-such that at every revolution of the shaft Athe needle-shaft is caused to turn forward through about half a circle, and is then thrown back to itsposition of rest. The adjustment of the IIO crank R, pitman S, and segment T is also i such that when the needle is projected forward to its farther limit it remains stationary for a short space of time before returning to its position of rest. A

Referring now particularly to Figs. 9, 10, 11,

"and 12, I would describe the cord-holding,

knot-tying, and cutting mechanism which is brought into play by the revolution of the shaft A. I

On the shaft A, adjacent'to the bracket B, are keyed two gear-wheels,A and B, of which the former has five teeth or cogs upon itspea short axle carrying a serrated disk, H and sion, a of the shape shown, between the ears half way of the circumference of the disk, leavjdle, at its middle stroke, is brought right up to and a little past the rubber disk, thereby plac- 10, and 12.

riphery, which are adapted to engage with-a pinion, O keyed upon a sleeve, D ,fit ted on a* stud or axis, E secured to the bracket B, as shown particularly in Figs. 11 and 12.

Upon "the end of thesleeve D is secured a collar, F having five or more curved prongs, G which partly embrace a rubberdislg'fl held stationary upon the end of stud E This rubber disk has a rounded periphery in crosssection, and'its inner edge is beveledotf, say,

inga blank or open space between the rubber, and the fingers G as seen at .9 Fig. 12. The arrangement and length of the stud E are such as to bring the rubber disk in the plane of travel of the needle, so that the eye of the neeing the end of the cord in the blank space 5 above referred to. This occurs at every stroke of. the needle; r

In the bent end ofthebracket B is journaled amitergear, 1 which meshes with agear, J

7 keyed upon the sleeve D as seen in Figs. 9

1 A spring-brake, IQ, of any suitable construction, holds the pinion and its connections stationary, except when revolved by the teeth upon the wheel A whereupon the brake yields.

Just over the sleeve D and parallel therewith, is a sleeve-extension of the bracket 0, in which is journaled a shaft, L having upon its rear end a pinion, M and upon its front end the knot-tyer N to be presently described. The pinion M meshes with internal teeth, 0?, upon the flange of the wheel B Figs. 9 and 10. A brake-spring, P ot'any suitable construction, upon the sleeve-journal ot' the shaft L ,bears against a flattened portion of thehub of the pinion M to holdthe shaft L and knottyerin proper position at all times except when the shaft is revolving. The knot-tyer mechanism may be described as follows, reference being had to Figs. 12, 13,14, 15, and 16. The shaft L carries upon its end a slotted exten' of which are pivoted, at W, the hooked bill a, and at d the dog 0, constructed as shown A spiral spring, f Fig. 12, which presses against thejaw e and the end of the extension at of the shaft L serves to hold the nose of the dog and the hooked nose of the hill 0 in-close proximity; but when the heel portion of the bill c is pressed against the extension a the hill 0 and dog 6 are thrown apart, leavingan opening between them for'the entrance of the cord. Now, the adjustment of the wheels'A and B upon the shaft A is such that just as the needle begins its backward throw, after having caught the cord in the blank space .9 the teeth of the wheel A will engage with pinion O and cause a partial revolution of the fingers G", which will lock the cord by frictional contact or wedging between the rubber disk H and one of the fingers G The needle then goes back to its position of rest, leaving the cord ertending from the eye of the needle-tothe holder, as shown inFig. 2., This operation we will suppose to have been accomplished, as is necessary before starting the machine, in order that the gavel may rest upon the cord. Now, with the gavel in place in the cradle, the needle comes forward on its second stroke, carrying the cord aroundthe gavel and locking it in the holder a second time by the partial revolution ofthe fingers G and retreats as before. Just as it begins to retreat 'the notched or serrated disk H is 'partiallyturned, drawing both strands of the cord enveloping the gavel forward totheposition shown in Fig.

knife 1' projects {T011111 bell-crank armuf, hung loosely upon the sleeve D and secured by a washer, 7.1 Fig. 12. The free end of the arm f has a laterally-projecting pin or stud, 2*, which works ina cam-groove, m in a disk,

a keyed upon the shaft A, as seen. in Figs.

9 and 10. The shape of the cam-groove m and the adjustment'of the disk n are such that the knife is not brought into play until the knot is tied and readyto be released.

Now, to go back to the carrying-aprons seen in 'Fig. 1. It ;is desirable that the apron 0 should stop its revolution the moment the needle begins its stroke,'and this is accomplished by the sleeveV in the following manner: Upon the needle-shaft 1, adjacent to the sleeve, is a curved upwardly projecting arm, forming a cam, a which bearsagainst a collar or shoulder, 1), upon the sleeveVin such manner that as soonas the needle-shaft commences its rotation the sleeve V is forcedback, thereby disengaging the sleeve V from the clutch U stored and the shaft set again in motion,

,as l have previously explained. i

It is also desirable that the grain'on the apron 0 be completelyseparated from that on the elevating-aprons O", which are always in motion while the process of binding is going on, and that'all weeds or vines which might serve to connect the grain on the two aprons be severed. To this end I have provideda knife orcutting-blade, 0", Figs. 1 and3, extending across,and between the two aprons supported and held up to permit the passage of grain under it during the revolution of apron 0 by a spring, (1

knife isconnected by acord, a, passing down around a grooved idler-pulley,f ,and having its end secured to a larger grooved pulley or disk, 9 1 upon the. needleshaft, the adjustment being such that as soon as the needle be- The opposite end of this gins its stroke and the apron 0 stops, the knife is brought down with a draw out against a shear-bar or anvil, h of any suitable construction, thereby severing any vines or other trash that might serve to connect the two portions of grain.

I do not purpose to limit myself to the construction of knife shown, as it and its mode of operation might be varied infinitely.

To properly feed the grain from the aprons O to the cradle-arms,[ have provided two or more alternately-vibrating arms, k ,Fig. 2, pivoted through a. slot in the upright bracket-arm I), and having their upper ends connected either by cranks or eccentrics l ,-set diametrically opposite upon a shaft, m driven with a belt by a grooved pulley, a, from the pulley 0 upon the roller-shaft It of the apron 0, so

7 that these feeding-arms act only while the apron O is revolving and stop when it stops.

Beneath the cradle-arms, upon a shaft, 19 is a table, r which receives the sheaf after the cord is cut. This table is held from tipping by a spring-pawl, t pivoted toan arm, a turning upon the shaft 19 as seen in Fig. 5, which-pawl engages with a ratchet, cflsccured upon the shaft 11 The arm n is connected by a curved link or pitman, w, with a crank- .arm, upon the needle-shaft, as shown. As

the needle travels forward the pawl slipsback over the ratchet without affecting the position of the table; but as it comes back on its return-stroke after the gavel is bound and left on'the table the pawl engages wiLh the ratchet and turns the table r completely over, thus dropping the sheaf upon the ground and leaving the table ready for the next sheaf. By reference to Fig.1? my improved gavel-compressing arms will he clearly understood, and I will now describe them.

Attached to brackets(not shown)connected to the frame-work of the cradle are pivoted a pair of curved arms, 2, (see Fig. 17,) which should be located near the horizontal plane of the needle-shaft, and in such position as to partlyencompass the gavel as it lies upon the cradle. The rear ends of the arms 2 have laterally-projecting pins 3, which engage with a cam-groove in a disk, 4, keyed upon the shaft A, the arrangement and adjustment being such that the arms are brought toward each other, so as to compress the gavel just as the knot-tyer begins its operation.

Broadly considered, the combination of a platform-apron, an elevating-apron, and'a cutoff, whereby as soon as the binding mechanism is thrown into action thecut-off is brought into use, is not new; but my combination differs from this in the employment of an interposed knife for the purpose stated. Also, a yielding gavel-receptacle which is acted on by the weight of the grain and is connected with and adapted to start the binding mechanism is not new with me.

4 amass Having thus fully described my invention, I claim- 1. The combination, with the elevatingaprons and the platform -apron, of an interposed knife with connecting mechanisn, whereby as soon as the binding mechanism is thrown into action the knife is caused to act to sever any vines or other material which might connect the grain upon the two sets of aprons, substantially as described.

2. The combination of a hollow needle-shaft, a hollow needle attached to said shaft, and grain elevating or carrying aprons traveling upon and around said shaft, substantially as described.

3. The combination, with the oscillating needle-shaft, of grain-elevating aprons revolving on drums around said shaft, and having a space between their adjacent edges, through which space the needle can play as the shaft is oscillated, substantially as described.

4. Thecombination,with the movingcurved cord-holding fingers G of the notched rubber disk Hflconstructed and operating substantially as described.

5. The combination, with the vibrating needle and the cord-holding mechanism, of the knot-tyer composed of the hooked bill 0 having the heel projection and the spring-pressed dog 6 and operating mechanism, and the serrated cord-placing disk H, the parts being constructed and arranged to operate in the manner and for the purpose specified.

6. The combin ation,-with the needle-driving shaft A and the knot-tyer and bolder mechanism, of the cord-severing knife 1?, cperated by the cam-grooved disk a substantially in the manner and for the purpose specified.

7. The combination and arrangement of the gear-wheels A B and pinions 0 M with the knot-tyer and holding device, substantially as and for the purpose specified.

' 8. The yieldinggavel-cradle secured to a concave member, L,constructed as described, in combination with the sliding clutch Hand driving-clutch E,With connecting mechanism, whereby when the gavel is sufficiently heavy to be bound the two clutches become automa-tically engaged, thereby setting the binding mechanism in motion,.substantiallyas de scribed.

9. The combination,with the driving-shaft .H and the platform -apron driving-shaft It and mechanism connecting them, of the clutch U, sliding sleeve V, shaft W, needle-shaft I, cam a and collar b substantially as and for the purpose specified.

In'testimony whereof I affix my signature in the presence of two witnesses.

WILLIAM M. PIATT. Witnesses:

It. N. JORDAN, PRISCILLA JORDAN.

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