US56698A

US56698A - Improvement in harvesters

Info

Publication number: US56698A
Authority: US
Publication date: 1866-07-31
Anticipated expiration: 1883-07-31

Description

2 Sheets-Sheet 1.

R. BRYSON.

Harvester.

Patented July 31, 1866.

WITNESSES 2 Sheets-Sheet' 2.

R. BRY SON.

Harvester.

Patented July' 31, 1866.

n7 n n I y T/VESSB T0 all whom it may concern.-

UNITED STATES PATENT OFFICE,

ROBERT BRYSON, OF SGHENEOTADY, NEW YORK.

IMPROV'EM ENT IN HARVESTERS.

Specificationforming part of Letters Patent No. 56,698, dated July 31, 1866.

Be it known that I, ROBERT BRrsoN, of Schenectady, in the county of Schenectady and State of New York, have invented certain novel Improvements in Harvesting-Machines; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, making a part of this specification, in which- Figure 1, Sheet 1, is aplan view of my improved harvester. Fig. 2 is an elevation of. the grain side of the machine. Fig. 3, Sheet 2, is a longitudinal section taken in the vertical plane as :0, through Fig. 1, looking toward the grain side of the machine. Fig. etis a similar view of the same parts, showing the front end of the frame elevated. Fig. 5 is a vertical transverse section through the front part of the machine. Fig. 6 is an enlarged sectional View of the pitman-box.

Similar letters of reference indicate corresponding parts in the several figures.

This invention relates to certain novel improvements on the harvesting-machine which was secured to me by Letters Patent bearing date on the 31st day of March, 1863, said i1nprovements consisting, first, in constructing the pitm an -box of the pitmanrod which moves the sickle of sections connected together by an adjustable yoke in such manner that while I have a swivel-joint that prevents the parts from binding I am enabled to adjust the see- I tions of the box up snugly to their wrist-pin as they wear, and thus prevent rattling and looseness at such point, as will be hereinafter described; secondly, in the employment, in conjunction with two transportingwheels, of two frames, which are both hinged to the main axle independently of each other, so that one frame servesas the support for the cutting apparatus, either in front or rear of the transporting-wheels, and the other as the support for the drivers seat and draft-tongue, and also the lever by which the cuttingapparatus is raised and lowered, as Will be hereinafter described; thirdly, in connecting the forward part of the lower frame, which carries the cutting apparatus, to the evener or double-tree by means of a chain or its equivalent, said double-tree being suitably pivoted to the draftpole on the upper frame, so that it is allowed to swing or rock freely about its connection without drawing up the lower frame, as will be hereinafter described fourthly, in the employment of a lever for assisting in lifting the cutting apparatus, which lever is pivoted to the stirrup of the finger-bar and connected thereto at one end, andat the other end provided with a roller which shall press upward against a plate on the draft-pole during the operation of raising the cutting apparatus, as will be hereinafter described; fifthly, in the ap plication of a segment-guard to the inside of the driving-gear on the transporting-wheels, which shall protect the teeth of these wheels from becoming clogged with grass, weeds, or other substances, saitl guard or guards being attached to the frame of the machine so as to remain stationary with respect to their respective wheels, as will be hereinafter described.

To enable others skilled in the art to understand my invention, I will describe its construe tion and operation.

In the accompanying drawings, A A repre sent the two transporting-wheels, having inside geai wheels, A A, applied to them for driving the sickle. B is the axle of these drivewheels, upon which a frame, 0, has its bearings, and to which this frame is so applied as to rock freely for the purpose of admitting of the raising and lowering of the cutting apparatus, as will be hereinafter explained. This frame 0 may consist of two longitudinal beams secured together at a suitable distance apart by means of transverse beams and bracingrods;

Above the frame 0 is a platform,D, the sides of which project down outside of the longitudinal beams of the frame 0, and have their bearings upon the axle B, as shown in Figs. 2 and 5. The two frames G and D are thus supported upon the axle B, so that they are allowed to have independent movements of each other. v

The upper frame, D, may be cast in one piece, as shown in the drawings, with strengtheningribs and pendants. To this frame I attach the drivers seat D andthe draft-pole E, also the hand-lever F, with its grooved segment, by which the attendant raises and lowers the fin 'ger-beam and the front end of the frame 0.

To the lower side of the frame 0, in rear of the axle B, is a transverse shaft, A carrying pinions a a, on its ends, which engage with the teeth of the inside gear-wheels A, on the driving-wheels. These pinions have spring-latch boxes at 0/ applied to them, which serve as clutches to prevent the pinions from turning their shaft when either one or both of the driving-wheels are moved backward. When these driving-wheels are moved forward the springlatches engage the pinions with the shaft A and turn it.

A bevel spur-wheel, b, is placed loosely upon the shaft A and provided with a sliding clutch, b, which should have a lever applied to it extending up to the drivers seat, so that the driver can engage the wheel I) with or disengage it from its shaft at pleasure.

The wheel I) engages with a pinion-wheel which is keyed on the rear end of a longitudinal shaft, 0, which shaft proceeds forward, and has an eccentric or crank wheel keyed on its forward end, to which the pitman-rod is attached, as will be hereinafter described.

The rear end of the shaft 0 has its bearing in a stirrup of a transverse casting, B which is securely bolted at its ends to the longitudinal bars of the frame 0, so as to serve as a transverse brace for this frame, and also a depressed bearin g.

G G are curved guards, which are bolted to the frame 0 so as to cover the teeth, or a portion of the teeth, of the inside gear-wheels, A A, as shown in Fig.2. These guards are segments of circles which are of less diameter than the inside diameter of the gear-wheels A, and they prevent these gears from becoming entangled with anything.

If desirable, the guards Gr may be continued over the pinion-wheels a a, so as to protect these wheels also.

The finger-beam H is rigidly bolted to a pivoted bracket,H, which has a rounded head that is acted upon by an anti-friction roller, 0, (shown in Figs. 3 and 4,) that serves as an upward-rolling bearing for said bracket during the swinging movement of the finger-beam.

The short shaft d, which carries the roller 6, has its hearings in cars projecting from the inside of the stirrup I, which stirrup is rigidly secured to the frame 0. To this short shaft 61 alever, J ,is pivoted, the outer end of which is connected by a link to the finger-beam, and the inner end or longest arm is curved upward and provided with a roller, f, on its extreme end. (Shown in Figs. 1, 3, and 5.) The short or outer arm of this lever J is connected to the segment F of the hand-lever F by a chain, g, so that by drawing backward this lever F the. cutting apparatus can be raised from the ground and swung upward out of the way.

The draft-tongue E being supported at its outer end by the horses, the frame or platform D, to which this tongue is rigidly bolted, will be stationary with respect to the lower frame, 0, which will rise and fall freely and allow the fin ger-beam to. accommodate itself to inequalities in the surface of the ground.-

The weight of the outer end of the cutting apparatus will keep the friction-roller f, on the inner or long arm of lever J, up against the bottom surface of a plate, g, which is secured to the bottom side of the draft-pole, in front of the frame D, as shown in Fig. 5.

During the operation of lifting the cutting apparatus by means of the lever F and lever J the inner end of the latter will press upward against plate 9 and roll across this plate until the frame 0 has been raised to its full height, when the further movement of the lever F will swing up the outer end of the cutting apparatus. The inner end of the lever J, pressing upward against its plate 9, affords a .rolling fulcrum for this lever during the act of raising the cutting apparatus and its frame 0 bodily from the ground. The same. thing will occur during the lowering of the cutting, apparatus and its frame 0.

The double-treeK is connected by means of a staple, h, to a vertical pin, h, which .is .applied to a stirrup that is bolted to the. lower side of the draft-pole E, as shown in. the drawings, Fig. 2. A T-head hook, t, is secured to the doubletree K in the middle of its length, for receiving the split link of achain, m, the rear end of which is attached to. a hook, j, that is secured to the front cross-bar of the frame 0. The chain m can be lengthened or shortened at pleasure. By this arrangement the double-tree is allowed to swing freely about its coupling-pin h without shortening or lengthening the distance between the connections of the chain m. At the same time it will be seen that the team will draw upon the lower as well as the upper frame.

The pitman-rod R, which operates the sickle,

is connected to the wrist-pin n of the eccentric or crank wheel 1? by means of a yoke, 0, which is pivoted to an adjustable strap, 9, that embraces the two parts of the journal-box s, as shown in Fig. 6. This journal-box s is made of two parts held. together by the strap p for the purpose of allowing it to be tightened. upon the wrist-pin a when it wears looses This is done by setting up the nuts on the ends of the embracing-strap p, and as the ends, of the yoke 0, which is formed upon the endof the pitman-rod R, are pivoted-to the strap. 19, a swiveling motion will be allowed at such points, to prevent the box 8 from binding in consequence of longitudinal motion (backward and forward motion) of the finger-bar.

Having thus described my invention, what I claim as, new, and desire to secure by Let-- ters Patent, is-

1. Pivoting the forked ends of the harvester pitman-rod R to an adjustable strap, 10,.of a two-part pitman-box, s, substantially as and for the purpose described.

2. Constructing the frame D- substantially as described, in combination with supporting this frame upon the axle B of two drive- Wheels outside of a hinged frame C, substantially as set forth.

3. The application of guards G to the inside gear, A, of the driving-wheels, substantially as described.

4. The arrangement of the lever J so that it forms an intermediate connection between the hand-lever E and the finger-beam and its inner long arm slides upon the lower surface of the platform-plate g, the said lever J and the hand-lever E being applied to a harvester having two hinged frames, 0 D, and a hinged cutting apparatus, all substantially as described.

5. The arrangement of the double-tree K, staple h, pin h, hook 'i, chain m, and hook j, in the manner and for the purpose herein described.

ROBT. BRYSON. Witnesses:

A. P. VERMILYA, PETE PANEGUE.