Improvement in grains-thrashing and separating-machines

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  • Publication Date: March 07, 1871
  • Publication Number: US-112424-A

Abstract

Claims

J. CULHAM. .Thrashing' Machine. ` Patented Mar. `7, 1871. ".PETERS, PHOTOvLITFIOGRAPHER. WASHMTDNIQ C. time gronivjcunnnn, or GRAND Barros, Micn'cAN. i The gchednle referred to in these Letters Patent and making parl: of the same.V . `To all whom it may concern; 1 i Be it known that I, J 01114(` CULHAM, of Grand Itapids, in Atheconnty "of Kent and State of Michigan, have invented certain new and useful Improvements iin" lhrashing-Machines and Grain-separators; and I `fdo hereby declare the following to be a vfull anticor-Y Lrect descriptionof `the same, sufficient to enable jth' ers skilled inthe art towhichl my invention appettains to `fully understand and construct the same, reference being` had to theaccompanyingfdrawing which makes part of this speciiicatiomand in which-L- a `Iliigure `lis a side elevation ef my improved'grainseparator.` e 3 i Eigure is a plan or top view of the same, partially in section. i Figure?) is an end View of thesalne, certain parts i `being removed. Eignredis a Asectional `view 'of the shoe and its i "Figure 5 shows the arrangement of the device for l raising and lowering the cylinder-concave. n n i Like letters of reference indicate like parts in the several gures. The `nature of my invention consists- `h`irst,`in the arrangement of' the rod carrying the gearwheehthroughwhichmotion is transmitted to n the thrasher, atfan angle,-so' as to meet the'rod from 4the horse-power 'rn a straight line, thus obviati'ngfthe n necessity cfa universalfiointconnection vbelnveen these invofrods.` u ` dfSecond, in the Icombination and arrangement, with i the sieve in" the shoe, of `endless `belts and a partitionV to carry ofi' the grain` `at one end and the tailings'ai; the other end ofthe "shoe, e l " Th'rd, inthe arrangement. of the sieve and chad'- agtators', "Eoin-th, in the combination and arrangement ofthe i Aendless belt in the rear of thefshoe, the` elevator, and .vibratingfchnte,byfwhieh the tailings may be' carried :.orwpagain tojthe thrasher te be passeda second rhrugh the machine i j It fth, in" the arrangement cf a rod, provided with @GOB-@brisa 60g-Wheel, endlessscrev, and hand-wheel, `weed forthefpurpese 0f raising and lqwenngthecylinder-c'oncave.; e, i V e Y' y Ain the drawing representsthe rod'which connects with the rod frolnthe horse-power. This rod is placed r at `'snch an angle as to meet the other rod (which corn'- -rnunicates motion) in a straight line. It carries anjts n innerend abcveled cog-wheel, B, gearing with a sinieilar wheel, C, cna shaft, `Dnthirough which motion. is i n imparted to the thrasher E,`shown in dotted lines 4in ng. 1.l "The machine when in nse,`standing on wheels, is higherfthan the `horse-poirer,and the rodfrunning from the horse-power would not meet with the rodA in a'strai/ght line if the latter wereg'not so arranged and inclined as described and shown. F represents the shoe oi' my machine, containing the sieve Gr, which is supported, at its front andrear ends, by lugs, through which rods pass into the frame in such a manner as to allow the'sieve a lateral recpagitator-bar, I, situated just below thc bar H, and v moving independently of it. A l e Pivoted to the rear of the frame of thej machine, in a suitable position, is a three-armed lever, J. The arm of lever J, extending downwardly, connects, by means of a short lever, with the side of the sieve, while its upwardly-extending arm connects, bya longer lever, with a rearwardly-extending arm, K, on agitator-bar I, which arm K is supported from above by aisuitahle spring, L, allowing a suiiicient lateral movement of the bar I. n ` The outwardly-extending arm of the lever J connects, bya. lever, with a crank on shaft M, which receivesits motion from the fan-shat't l `It will be `easily understood that-when the out- `wardIy-,extending arm of the lever J is moved up and down bythe crank, the sieve, with its bar H,`w il1 more in one, and the agitator-bar I in the opposite direc-V tion, by this means'coiitinnally agitatng'the chaff-sc as to insure a thoroughseparationjoi the grain. An endless belt,- 'N, situated under the sieve and near the fan, carries ofi` the grain as it falls 'from the sieve, ` and slides Vdown the partition O, whilethe tailings pass over'the sieve onto the endless belt I?, which carries them to the'elevator Q, freniwhich they pass into the vibrating-,chute R'. r his chute issupported` at its upper end by rods, 4and receives itsvibrating motion from a crank-arm, S, ` on pulley T, and it delivers, by reasoniof said motion, any tailings .passingover it to the hopper. In this manner the tailings may be cleansed a second time if .it is deemed desirable.v ` In fig. 5 I Y is a shaft or rod, passing under the cylindenmm- `cavelS, and provided with -the eccentrics m and at', so arranged as to raise orlower the 4eoncavcby revolving or turning the rod. v One end of this rod passes throngl'ithc frame of the machine, and is provided with the cog-wheel Y. U is an vendless screw, provided' with the handbelts N and P and the partition O, substantially as herein described. 3. The combination and arrangement of' the endless belt P, elevator Q, and vibrating-chute R, substantially as and for the purposes set forth. 4. The arrangement of' the hand-wheel W, endless screwU, and cog-wheel V, in combination with the l. l'pdY ,andeceentrics,acs-x,l when used for the purposes herein described. JOHN GULHAM. Witnesses: Y, ' "JOHN BcL'E, EDWARD TAGGART.

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