USRE1110E - Improvement in harvesters - Google Patents

Description

UNITED SorATEs ,PATENT IOFFICE,-

A. PALMER, OE BROOKPORT, NEW YORK, AND s. G. WILLIAMS, or JANES- y RY MESNE ASSIGNMENTS, Tov D. S. MOR- VILLE, WISCONSIN, ASSIGNORS,

GAN, W. II. SEYMOUR, S. G. WILLIAMS, AND AARON PALMER. E

IMPROVEMENT IN HARVESTERS.

Specification forming part of Letters Patent No. 8,192, dated July 1, 1h51; Reissue No. 305, dated April l0, 1855; Reissue No. 1,110. dated January 1, 1860.

To all whom, t may concern;

Be it known that we, AARON PALMER, of Brockport, ,in` the county of Monroe and State of New York, and STEPHEN G. WILLIAMS,

formerly of the same place, but now of Janes ville,-in the county of Rock and State of VVis-p` cousin, have invented a new and Improved Harvesting-Machine; and we do hereby declare that the following is a full, clear, and eX- act description thereof, reference being had to the accompanying drawings, making a part ofv this specification, in which.m

Figure 1- represents a view in perspective of a harvesting-machine to which our improvements are applied 5 and Fig. 2, a similar view ofthe driving-wheel and a portion of the viautomatic sweeprake within the inner edge of the platform upon which the grain falls as it is out, and over which it vibrates at suitable intervals to discharge the gavels.

The accompanying drawings represent a convenient arrangement of parts for carrying out the obj ect of our invention.

The frame is composed of .three longitudinal beams, H I J and two transverse beams,

F G, the whole being securely fastened together at their points of intersection. The main or driving wheel A is placed between the outer longitudinal beam, I, and the central beam, II, and has its bearings in arched supports or brackets E, rising from each of these beams.

Guard-fingers t, through which a sickle, M, vibrates, are secured upon the front edge of a platform, D, upon which the heads and upper portions of the stalks of grain fall as they are severed by the cutting apparatus, which maybe constructed and operated in any suitable manner. This platform is shaped like a quadrant or sector of a circle, of which the'arm or lever which carries the rake-head forms the radius and the fulcrum-pin, on which said lever vibrates, the center, in order that the grain may be swept round on an arc of a circle and be discharged upon the ground behind the driving-wheel. A tongue for the team to draw by is secured rigidly to the frame in line with the central beam, H, and projects forward at a right angle, or thereabout, to the front edge of the frame. either be made straight or curved to correspond with the sweep of the inner end of the rake, arises.r from the inner edge of the platform and prevents the grain from falling off or becoming entangled in the gearing. The front end of this guard may also be curved outward and secured to theA tongue, and thus act as a guide to bring the grainin toward the 4cutting apparatus. A curved fence or guard, N, rises from the outer edge of the platform, with which it corresponds in curvature, and serves to prevent the grain from being deflected from its path or thrown from vthe platform by the centrifugal force generated by the viblating movements of the rake.

The vibrating arm-or lever B, which carries the rake has lugs or projectioigs n bsecured uponthe upper and lower Sides of its inner end, on each of which lugs cogs or teeth are arranged, so as to form a rake. These plates embrace brackets or ears e e, projecting horizontally from the wheel-support E, and are held in place by a fulcrum-pin, S, which passes through both ears .and lugs. This fulcrumpin thus serves '.not only to hold the arm or lever B in a horizontal position without support at its outer end, but also forms the center of motion, on which it vibrates freely over thel platform. This arm or lever is vibrated by means of teeth or cogs secured upon the inner face of the driving-wheel in /such amanner as to form segments of a pinion, as shown inFig.v 2. The teeth q of the segment which gears into the rack on the lower lug, b, of the arm or lever B are placed nearer to the axis of the driving-wheel than the teeth p of the segment which gears into the rack of the upper lug, n, of the lever.. This arrangement is necessary, in order that each segment of a pinion or set of teeth may gear only with its own rack. The teeth q of the inner segment'pro'- ject outwardly, while those p of the outer set project inwardly.

A fence or guard, O, which may f Therakehead C, into which the rake-teeth the rake-head in the same axial plane, for a purpose hereinafter explained. A guide-rail, d, which slopes gradually from front to rear of th ejmachine, is supported above the outer fence, N, with which it conforms in curvature by means of brackets d d', curved outwardly to permit the end of the guide-rod c to travel beneaththeguide-railwhen runningbackward. A short section of the rear end of the rail'd is hinged so as to form a joint or gate, f, capal ble of moving vertically on its pivot, the rear end of which section rests upon the guard N. A guardrail, g, having anupward inclination, surmounts the after end of the guard N.

The outer or grain end of the machine is, supported by a wheel, K, having its bearings in the outer longitudinal beam, J.

The operation of the machine is as follows: As the wheel to which the gearing is attached travels over the ground, the machinery is set in motion and the cutters sever the standing grain, which falls upon the platform. Suppose the rake to occupy the position shown in Fig. l-thatis, to be running forward. When in this position,the teeth q are in gear with the rack b, and the rake-head C is held above the falling grain by the guide-rod c, on its 'outer end, sliding upon the inclined guide-rail d. The continued rotation of the driving-wheel .causes the lever B (which always vibrates in the same horizontal plane). to push the rake before it until the guide-rod e has passed beyond the front end of the guide-rail cl, ,when the rake drops suddenly upon the platform,its teeth striking into the butts of the fallen grain as it lies thereon. By this time the teeth q Y have escape from the rack b, and theforward Ymovement of the rake ceases.

The two sets of teeth p and q are arranged upon the face of the driving-wheel in such relation to each other that the momentl the latter escape from the lower` rack, b, of the vibrating arm the former engage with the upper rack, n, and reverse the motion of the lever. The rake then travels backward, (describing an arc of a circle, of which the fulcrum-pin S forms the center and the operating-lever B theradiusQ drawing the grain with it, and discharges it head foremost upon the ground behind the machine, with its stalks at right angles, or thereabout, thereto, and sufficiently removed from the .standing grain to be out of the path of the lteam during their succeeding tour around the field.Y As the rake approaches itsY extreme rearward point,

the guidefrod c lifts the jointed rod f andpasses beyond it, when the jointed rod immediately resumes v,its former place. The guardrod g on the rear of the guard N prevents the rake from going back so far as to drop oi' the end of the guard. The teeth p and q are so arranged upon the driving-wheel that when the backward movement of the rake has ceased, by reason of the teeth p escaping from the upper rack, n, the teeth q do not immediately engage with thelower rack, b, to start the rake forward, but the rake remains at rest while the driving-wheel makes about two-thirds of a revolution, by which means a sufficient pause is i made to allow a quantity of grain suiiicient to form a gavel to accumulate upon the the platform. The rake thenbegins itsforward movement, the guide-rod c now sliding on the inclined guide-rail, and elevating the rake-head until it reaches the front edge of the platform,

Vwhen the rake falls, and the operations above described are repeated.

By this description, then, it will be seen that the operation of the rake is such that it runs forward rapidly, (rising as it goes to pass over the fallen grain,) drops suddenly upon the platform, at once begins to move quickly back(drawing the `grain off on an arc of a circle and discharging it behind the drivingwheel) until it reaches the termination of' its backward movement, pauses a moment for a gavel to accumulate, and then moves rapidly forward, as before.

The arrangement of the operating-lever B is such as to enable the gearing which vibrates it yto be located within the inner `circle or inner portion of the platform, and at or near one end of the cutting apparatus, where it is out of the way, securely protected from dirt, stalks, Src., and close to its prime mover, while the lever' which carries the rake vibrates directly behind the cutting apparatus in the most favorable position for acting upon the grain as substantially as described.

In testimony whereof we have hereunto sub scribed our names.

AARON PALMER. STEPHEN G. WILLIAMS.

Vitnesses:

T. H. SrARRow, D. S. MORGAN.

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