USRE9915E - Cotton-gin - Google Patents

Description

2 Sheets-Sheet 1 F; E. SMITH.

COTTON GIN;

Reisued Oct. 25,1881,

mvmmn WITNESSES QmP-Wwv.

' a'r'ronmi UN TED STATES PATENT QFFICEQ.

FERDINAND n. sMrrH,'oF PRATTVILLE, ALABAMA.

COTTON-GIN.

srncrmcemon forming part of Reissued Letters Patent No. 9,915, dated October 25, 188i.

Original No. 220,880, dated October 21, 1879. Application for reissue filed June 29, 1881.

all whom it inay concern .Be it known that I, FERDINAND ELLIS SMITH, of Prattville, in the countyof Autauga and State of Alabama, have invented certain new and useful Improvements in Cotton-Grins; 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 pertains to make and use it,- reference beinghad to the accompanying drawings, which form part of this specification.

My invention relates to cotton-gins, and while it is adapted for ginning eithertrashy or clean cotton, it is especially intended to gin cotton that has been carelessly picked out of the-field and contains bulls and trash of all description.

My invention consists in the construction hereinafter described and claimed for accomplishing the above operation.

Referring to the drawings, Figure l is a view in vertical transverse section. Fig. 2 is a detail view of one of the sectional heads of the cotton-box, and Fig. 3 is a detail plan view of the mote-board.

The outer front wall or apron, A, is vertical, and extends below the inner wall or apron, B. Between the two a feed-opening, G, is formed, through which the cotton passes down tothe feed-roll D. Vertically-curved arms a extend rearward from said outer front wa-ll,.and are hinged to the top of the cotton-box,-so as to permit said wall to be swung rearward and upward for cleaning the cotton-box, grates, and

saws. Said inner wall islikewise hinged to the top of-the cottoubox, thus permitting free and full access to the interior of the cottonbox. The seed-board E is hinged to the lower portion of this inner swinging wall, and is secured in adjustment to or from the saw-cylinder F by lever G, pivoted to said Well, while its lower extremity works loosely in a loop, I), secured to the seed-board. The upper extremity of said lever is made in toothed-segment form, and engages with a spring-catch, 0, projecting forward from said inner swinging wall. By this adjustmentthe seed is caused to shed slow or fast, according to the condition ol' the cotton and the speed of the gin. The lower portion of the sced board has its in nor surface formed projecting inwardly toward the sawcylinder, as shown at c. This surface is an- The feed-roll maybe banded, geared, or".

otherwise connected to the saw-shaft for purpose of driving. Its periphery'is provided with pins or spikesd, projecting therefrom,

preferably in line with the respective lower grate, H, and the spaces formed between the spikes or pinse, which project inwardly from the lowcred'ge of the stationary front wall, K,

or,'in other words, the stationary teeth 0 and the teeth of the feed-roll'intersect. Said lower grate, H, is securely fasten'ed to a bar, L, located in front of and below the saw-cylinder. The bars of said lower grate extend upwardly between the saws, and their free extremities project forward from the latter a sufficient distance to separate the hulls and forei n substance from the cotton as the latter is rought up by the saws. The upper grate, Mi 'is likewise securely fastened to a bar, N, preferably hinged to the top of the gin, and-its bars extend'downward between the saws. Their free extremiticsproject in ward,so as to provide a free passage-way, P, the egress of the seed between the same and the tree extremities of the lower grating. The points at which the free ends of both gratings terminate are approximately in the horizontal central plane of the saw-cylinder. Theseed-cotton, being fed to the gin in thedirection of the arrows f, drops on the pins e, and is carried over to the saws by the pins d on the feed-roll D. The lower grate screens the bulls orforeign substances from the cotton as the latter is carried up into the cotton-box, forming a. roll running in the direction of arrows g. The cottonis ginned on the upper grate, the lint being carried between the ribs or grates on the saws, taken from the saw-teeth by a brnsh-cylimler, 1t, and thrown from the cotton-roll at the seed-board into the passagc-wayl, and passed out in the direction of arrow It. The bulls and foreign substances are thereby separated from the cotton before the latter is subjected to the ginning process, and'arc discharged from the gin through the passage-way S in the direction of the arrow k.

, into thelint-room. Thcseed isshedor dropped The mote'board T has sliding movement in at p p inFig. 3, whereby cotton is prevented from dropping with motes, as is sometimes the case when the mote-board is moved backward sufficiently far for the gin to mote well.

The heads W of the cotton-box are each made of an upper and a lower section, said sections being hinged to corresponding portions of the gin-frame, so that they maybe swung in opposite directions to allow free access to the sawcylinder. Connecting devices X detachably secure the two sections of each head together. I am aware that a cotton-cleaner has been patented wherein the cotton is first placed on an endless apron and carried to atoothed breaking-cylinder, which serves to carry the cotton in contact with stationary teeth located-in close proximity tothe teeth of the breaking-cylinder, and thereby serve to break open the pods and to separate bulls and trash,which fall into a receptacle located beneath the breaking-cylinder, while the cotton is deposited upon another endless apron and carried to a series of ginningsaws, and by them pulled through a series of ribs or grates and conveyed to the trunk of the machine. The ribs or grates are curved beneath the saws, so as to discharge the seed on the rear end of the endless apron, from which the seed falls into any suitable receptacle. In frontot' the gin-saw is located a toothed cylinder for preventing the accumulation of cotton at that point, while above the ginningsaws is journaled a combined breaking-cylinder and fan for stripping the cotton from the saws; hence I would have it understood that I make no' claim to such construction and combination otparts. In my improved machine the cotton is fed intothc hopper and falls upon the feed-roller, and is arrested thereby and the teeth 0. The cotton is carried to the ginning-saws by the feed-roller, and the latter,in conjunction with the sa\vs,operatesto break open the cotton and separate the bulls therefrom and allow such matter to fall .th rough the opening S in front of the grates and drop. into any suitable receptacle, while the cotton is drawn through the spaces between the grates or ribs, and the seed separated therefrom and allowed to pass downward through the eway P, and thus be separated from the bulls and other trash.

Having fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-'- 1. The combination, with a frame and sawcylinder, and two hinged cross-bars locatedrespectively above and below the saw, of a grating whose lower extremity is secured to said lower cross-bar, and whose free upper extremity projectsv from the forward central portion of the saw, together with a grating whose up- 76 per extremity is secured to said upper crossbar, and whose free lower extremity extends to the forward central portion of the saw, said cross-bars being adapted to be swung in opposite directions, aud thereby carry their respective gratings away from 'the saw, so as to give free access to the latter, substantially asset I forth.

2. The combination,with a frame and a front swinging wall of a cotton-box, of a seed-board c hinged to the lowered ge ot'said wall,.and formed with both an upper and a lower longitudinal face, said faces being plane and 'angularly located rclativel y to each other, so that the lower face projectsinwardly from the iipperface,snb-

stantially as set forth.

3. In a cotton-gin, the combination, with box-heads formed in upper and lower sections, respectively hi it ged to corresponding gin-frame portions, of connecting devices which detach- 9 ably secure together the two sections of each head, substantially, asset forth.

4. In a cotton-gin, the' combination, with a feed-hopper having an open bottom orlower end, a feed-roller located in the lower portion of the feed-hopper, and a series of stationary teeth arranged to intersect the teeth of the feedroller, of the ginning-saws and grates Iocated between theginniug-saws and feed-roller, said grates being arranged substantially as I shown and described, to form seed-passages f between their rear surfaces and the arbor of the saws, and thereby separate the seed from the hulls and trash, substantially as set forth.

In testimony that I claim the foregoing I to; have hereunto set my hand this 20th day of June, 1881." r

FERDINAND ELLIS sm'rrr.

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