USRE2154E - Improvement in thrashing-machines - Google Patents

Description

N. PALMER.

I Thrashing Machine. No. 2,154. Reissued Jany 23, 186.6.

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UNITED STATES NELSON PALMER, OF

PATENT OFFICE.-

HUDSON, NE YORK.

IMPROVEMENT IN THRASHlNG-MACHINES.

Specification forming part of Letters Patent No. 47,746, dated May 16,1865; Reissue No. 2,154, dated January 23, 1866.

To all whom, it may concern.-

Be it known that I, NELsoN PALMER, of Hudson, in the county of Columbia and State of New York, have invented, made, and applied to use a certain new and useful Improvement in Thrashing-Machines; and I do hereby declare the following to be a full, clear, and exact description of the said invention, reference being had to the annexed drawings, makin g part of this specification, wherein Figure 1 is a longitudinal section of my thrashing-machine crosswise of the thrashingcylinder, and Fig. 2 is a plan of said machine with the cover or top of the case removed.

Similar marks of reference denote the same parts.

The nature of my invention consists in a ribbed or corrugated cylinder receiving the grain, straw, or stalks lengthwise or nearly parallel to the said ribs or corrugations, and thrashing out the grain or seeds against a ribbed or grooved rubber. The straw or stalks are delivered upon an apron that acts to separate the grains or seeds, allowing them to fall away, while the straw is delivered in a condition to be bound into bundles, as the thrashing operation does not injure the straw, but leaves the said straw nearly in the same condition as flail-thrashed straw.

In the drawings, a represents a frame of suitable size receiving the corrugated or ribbed thrashing-cylinder b. This cylinder is to be long enough to receive the straw or stalks widthwise, so that they shall pass into the machine transversely or nearly parallel to the said thrashin g-cylinder. Below the said thrashin gcylinder 1), and partially at one side thereof, 1 make use of a concave rubber, c, that is attached at its upper edge or corners by hinges or joints, so that it may be moved nearer to or farther from the thrashing-cylinder b, accordin g to the character of the grain or seeds to be thrashed. For adjusting this rubber c, I employ levers d on fulcrums on the frame a. 1 are pins at the outer ends of the levers entering holes in the frame to retain the parts when This concave rubber may be adjusted by screws or in any convenient manner.

6 is a board to direct the straw as it passes in between the rubber c and thrasher b and prevent the grain, straw, or stalks from falling down on the opposite side of the thrasher b. The grain or stalks are to be fed into the thrashing machine in any convenient manner. l,l1owever,prefer and use a table, f, to receive the bundle of grain or other material to be thrashed, and upon which it is separated and loosened.

g is a slotted grate extending from the table f to the upper edge of the rubber c and curved, as shown. Beneath this grate is-the feedingcylinder h, that is on an axis parallel, or nearly so, to the axis of the thrasher I), and is provided with ranges of teeth or spikes, that, as the cylinder h revolves, come above the surface of the grate g sufficiently to take the grain or other material and carry it transversely to the thrashing-cylinder. The shape of the grate g is such that the ends of the spikes or teeth of the cylinder h pass below the surface of said grate adjacent to the rubber 0.

Supports 13 and end pieces, 70, may be provided to the table f, to facilitate the handling of the grain.

Over the thrasher is a cover, Z, to inclose the parts, and an endless apron, m, is provided to convey away the straw or stalks.

a is a division or wind-board between which and the cover lis a mouth, through which the dust is allowed to escape, and the grain and straw are thrown out below the wind board at upon the endless apron m. The apron m is sustained by the rollers 0 0, one of which is propelled by a belt from the thrashing-ma- V chine, and the apron itself is formed by transverse slats attached to endless belts in the usual manner. Beneath the said apron, at the lower end thereof, is a table, 19, and this serves to arrest the momentum of the grain and straw or stalks as thrown out from the thrasher, and an apron may hang down from the lower edges of the board a to check the momentum of said straw and grain as they issue from the thrasher to the apron.

Atthe upper end of the table 19 slats q are fitted, that extend upward and parallel with the edges of the belt to sustain the straw while carried up by the apron m, and at the same time allow the grain to fall away beneath the apron, while the straw itself is carried to the upper end of the apron and delivered in a form adapted to being bound into bundles.

The apron m may be fitted on a frame, r, so

that it can be detached, if desired, from the frame of the thrashing-machine. I have represented such apron-frame r as entered between the main frame a, and held up by button .9, turned up beneath the side pieces of such frame 1'.

The apron may be shaken to shake outthe grain or seeds, for which purpose the slats of said apron may be drawn over stationary inclines or triangular blocks on the frame r at the ends of said slats.

The belts for driving the cylinders I) and h and the apron m may be arranged in any desired manner, and the thrashing cylinder and concave may be of wood or metal, or may be of wood covered by sheet metal, or of slats secured upon heads or a cylinder.

What I claim, and desire to secure by Letters Patent, is-

1. The cylinder h, when constructed as described, for feeding the unthrashed straw to the thrashing-cylinders, as specified.

2. The guard g, in combination with the feeding-cylinder h, operating as specified.

3. The corrugated, ribbed, or granulated thrashingcyiinder I), in combination with a concave or rubber ribbed, corrugated, or granulated.

4. The lever d, or its equivalent, in combinationwith the concave c, for adjusting the same, as set forth.

In testimony whereof I have signed myname to this specification before two subscribing witnesses.

NELSON PALMER. Witnesses:

G. G. HUMPHRIES, D.P HOLLOWAY.

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