US394001A

US394001A - morris

Info

Publication number: US394001A
Authority: US
Publication date: 1888-12-04
Anticipated expiration: 1905-12-04

Description

(No Model.)

G. W. MORRIS.

GRAIN SEPARATOR.

Patented Dec. 4, 1888.

Ira 611 502:

UNITED STATES PATENT OEEIcE.

GEORGE \V. MORRIS, OE BRAN'TORD, ONTARIO, CANADA, ASSIGNOR TO or SAME PLACE.

G RAI N-SEPARATO R.

SPECIFICATION forming part of Letters Patent No. 394,001, dated December 4, 1888.

Application filed June 1, 1887.

To (all [chain it Will/[j GUI/C157!!! Be it known that I, GEoRoE \YILLIAM Moa- RIS, manufacturer, of the city of l irantford, in the county of Brant, in the Province of Ontario, Canada, have invented certain new and useful Improvements in Grain-Separators, of which the f0ll()\\lllg is a SpGClfiOELlllOH.

The object of the invention is to provide a straw deck-extension having a reciprocating as well as a vertical motion when the machine in operation for the purpose of discharging the straw out of the machine after it has fallen thereon from the upper straw-deck, whereby any grain which still remains in the straw after passing over said upper deck may be completely separated and be carried back to the shoe of the thrashing-machine, thus avoiding such loss of grain as is incidental to the use of the tail-rake in the ordinary thrashingmachine. There is also a light table carried by the tapering spring-pitmen, so placed with reference to the upper straw-deck and the shoe of the machine as to intercept any straws which n'lay happen to fall through the slats of the upper deck, and thus prevent such straws from lodging in the sieve in the shoe and causing it to clog.

Figure 1 is a side elevation of a thrashingmachine, showing the improvements, a portion of the sheeting being removed, Fig. 2 is a plan of the lower portion of the machine, with casing, upper grain-deck, &c., removed.

Like letters of reference i ndicate similar parts in both the figures.

I11 1 and 2, A is a double-throw crank, which is connected, as hereinafter described, and gives vertical and reciprocating motion to the upper straw-deck, B, straw-deck extension I, and the grain-deck U and chaff-extension and tray F. The upper straw-deck, B, is attached to the throws of the crank, as shown, by means of boxes 0.

C is a rocking arm, one end of which is piv oted to the front end of the strmv-deck B at V, while the other end of said rocking arm is pivoted to the frame of the machine at V. To the opposite throws of said crank A the tapering pitmen E (see Fig. 1) are attached by means of extension-irons G, which project outwardly in a direction parallel to the length of the machine sufficiently far to form brack- Serial No. 239,979. (No model.)

i ets G G, to which is firmly bolted the strawdeck extension I. This straw-deck extension I, being rigidly attached to the brackets, requires no supports or hangers at the rear end,

and, by reason of its peculiar mode of connection with the tapering spring-pitmen, de rives a slight vibrating motion at its rear end, i which has been found to very materially assist the complete separation of the grain from the straw, the grain so separated falling 1' through onto the light tray F and thence into the shoe of the machine. Said extension irons and brackets G are attached to the boxes G, through which the cranks work. The pitmen E, which give a reciprocating motion to the grain-deck U, are tapered gradually toward the end farthest from said crank-axle, (see Fig. 1,) and are firmly bolted to the bottom or side of the grain-deck U at c, this springy tapering form of pitman doing away with a pivoted attachment at its front end, preventing lost motion, and lessening the noise when operating the machine. The grain-deck U is hung at the front end upon hangers \V, pivoted at each end, and toward its rear end by spring-hangers, as \V', attached to the outer casing of the machine, as shown.

I) in Fig. l is the chaff-extension, which is attached to the under side of the main frame of the grain-(leek U by means of a joint at (l, and at its rear end is suspended to the main frame of the machine by means of springhangers This chaff-extension of course partakes of the reciprocating motion communicated to thegrain-deck I by the pitmen is attached, by means of a joint iron, J, and box, the light extension-tray F, which is also hung to mainv frame of machine by hangers K. This light tray par-takes ot' the motion of the chaff-extension.

S is the main shoe ot' the machine, into which the grain is carried, and :4 is the discharge-spout. elevator of ordinary construction, which can ries the grain to a grain scourer and smuttcr, which may be permanently attached to the top of the machine and placed at a convenient distance to the rear of the spiked beater Q and cylinder R.

In Fig. 2 X is a light table resting on T is a fancasing, and L an E. To the rear end of the chaff-extension I) and attached to the rear ends of the pitmen for the purpose of intercepting straws which may fall through the slats of the strawdeck 13 and prevent them passing through the apertures in the chaff-extension D ("hide Fig. 1) and thence lodging in and clogging the sieve in the shoe S.

71, Fig. 2, refers to aportion of the slats in the upper straw-deck, B;

In operation the grain is fed into the cylinder R and thrashed in the ordinary manner, after which it is thrown against the round beater Q, Fig. 1, which checks the flying grain and straw, assisting materially in the separation, depositing the straw on the straw-deck B, the reciprocating motion of which carries the straw Very rapidly to the rear end of the machine toward my improved straw-deck extension upon which it 'l'allsthe drop or fall much assisting to further separate any grain remaining in the straw, and the up-and-down and reciprocating motion of the straw-deck extension I completing the separation of the grain, the straw passing out of the machine entirely free from grain. The grain having been gathered in the shoe and cleared from the chaft by the blast-fan, which should be located in the casing T, is carried to the elevator, which is of ordinary construction, said elevator carrying the grain up to and delivering it into the hopper or mouth of a grainscourer.

The function of the chaff-extension is to effeet a still further separation of the grain from the chaii and straw just before the latter are discharged from the machine. The chaff-extension has awibrating or trembling motion, and any grain which may chance to remain in the straw is shaken through the slats and falls thence into the well, from whence it is elevated. This chaff-extension is still further to secure the complete separation of the grain from the straw.

No claim is made herein to' the graincleaner, as the same forms the subject-matter of my application Serial No. 291,306, filed November 20, 1888.

\Vhat I claim as my invention is 1. In a thrashing-machine, the crank-shaft, the straw-deck, the grain-deck, and the strawdeck extension, combined with the spring-pitmen and the extension-irons G, connected to the crank-shaft, an d formed with brackets, to which the straw-deck extension is secured, substantially as described.

2. In a thrashing-maehine, the combination, with the crank-shaft and the spring-pitmen E, of the light table X attached to said pitmen, and the shoe S, over which said table is placed, substantially as described.

In a thrashing-machine, the combination, with the crank-shaft and the spring-pitmen E, of the light table X attached to said pitmen near their rear ends, the chaff-extension D, and the shoe Sbeneath said table and extension, substantially as described.

4. In a thrashin g-machine, the combination, with the grain-deck, the chaff-extension D, and the light extension-tray 1*, connected to and deriving motion from said chaff-extension, of the main frame of the machine, and the spring-hangers K, attached thereto and supporting the rear end of said tray, substantially as described.

Brantford, March 31, 1887.

GEORGE \V. MORRIS.

In presence of PETER PURvEs, A. E. *ATTs.