US284489A - Grain-cleaner - Google Patents

Description

2 L L B S S U R T w GRAIN CLEANER.

N- 284,489. Patented Sept. 4, 1883.

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' GRAIN CLEANER. No 284,489. Patented Sept. 4, 1883.

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PATENT OFFICE.

JOHN RUSSELL, or BERLIN, PENNSYLVANIA.

GRAIN-CLEANER.

SPECIFICATION forming part of Letters Patent No. 284,489, dated September 4, 1883.

Application filed February 23, 1883. (No model.) i r To all whom it may concern: 7

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Be it known that I, J OHN RUssELL, a citizen of the United States, residing atBerlin, in the county of Somerset and State of Pennsyl- Vania, have invented certain new and useful Improvements in Grain- Cleaners; and I do declare the following to be a full, clear, and exact description of the inventiomsuch as will enable others skilledin the artto which it appertains, to make and use the same, reference being had to the accompanying drawings, and to the letters and figures of reference marked thereon, which form a part of this specificatiOil;

This invention relates to machines for cleaning grain; and it consists in the construction andarrangement of parts, as hereinafter more fully described and claimed.

In the annexed-drawings, Figurel represents a longitudinal sectional elevation of my improved grain separator ,andscourer. Fig.

2 is a plan view. of the samej Fig; 3 repre-f sents a transverse section on the line a: a: of

N Fig 1; Fig. 4 is a partial side view and sec- 2 5 Secured in proper bearings above the upper air-chamber, B, is a vertical shaft, 0, which carries on its top a disk having an eccentric pin, b, to which is ,attached a pitman, I), se cured to the under side of the inclined shoe D at the point If. By means of thispitman b the shoe D, which is supported bythe springs c c, is given a suitable vibratory motion. The shoeDis-provided with two screens, Eand E, the former of which is of coarse represents the hopper into which the grain isfed, and from which it passesinto the suctionspout E through an opening, as shown in Fig. 1., The grain as it enters the spout F in view, the grain is made to fall down the in- 100 and falls upon the'shoe D is subjected to an upward current of air induced toward the airchamber by a vacuum created by the revolutions of the fan 13', which air-current carries the dust, chaff, and screenings upward and over the arch and down the spout F to the" opening (1 in the side of the air-chamber, into which the chaff and dust are sucked by the current of air, and whence they pass through the aperture d to the fan-case B, and out of the sameby means of the mouthor open ing d the straw, corn-cobs, and other larger substances slide down the upper surface of the screen E, and are carried off by an inclined spout to the side of the machine. This spout, being no part of the invention, is not shown in the drawings. puritiespass through the screen E, and are carried off by a spout, f, to the side of the ma chine. The grain passes from the lower screen (See Fig. 2.)v The heavier portions or screenings pass out atthe bottom of the spout F the perforations of the coarser screen,E, while The sand and other smaller imof the shoe to a hopper and through an opening into, the suction-spout G, where it is again subjected to an upward current of air induced by the fan, that carries the lighter particlescheat, &c.'over the arch, down the spout G, to the opening 9 in the end of the lower air chamber, H, into which the dust and chaff are carried by the draft from the fan, and pass along to the end of the air-chamber H, which communicates with the fan-case by an opening, 9, around the shaft B An adjustable deflector, h,is hinged in the spout G near the opening 9, and is for a purpose similar tothat of the one before described. The grain, after being thus cleaned, is next to be freed from projecting bits of hull and fuzz, and to this end itis subjected to the action of suitable scouring and brushing devices.

With this object clined spout Z to a hopper, Z, that conducts it to a pair of rubbers or scourers, I I, one of which is stationary and the other movable. The rubber I is keyed to and revolves with the upright shaft J, which is journaled in a step in a bridge-tree below and in a collar-beam above. This rubber is cast in the form of a series of cones with their bases forming flanges which are either horizontal or preferably slightly elevated, as shown in Fig. 6. This rubber I is arranged within and concentric with the outer stationary rubber, I, which is of a corresponding conical shape, the two rubbers being separated a suitable distance from each other for the passage of the grain between their The rubber I is stationary, and rests on and is secured to a sheet-metal casing, K, circular in form, which rests on the bed-plate k.

Within and concentric with the case or shell K is a perforated case, K, somewhat smaller in diameter, so as to leave a circular space between the two cases.

Secured to the cylindrical case K, on its inside, are theconical projections or annular inclines k, which serve the purpose of guiding the grain from the rubbers to the brushes Z Z. These brushes Z Z are secured to disks attached to the hubs that are keyed to the shaft J and revolve with it. The grain passes through the irregular passage-way between the rubbers I I, the operating faces of which are reeded to act more effectively upon the grain, so as to remove the germs and hulls from the berries. From the rubbers the grain falls upon the upper incline, 76', which conducts it through a proper opening to the upper brush, Z Z, over which and between it and the under surface of the upper incline, is, it (the grain) is forced by the centrifugal action of the brush, which removes all dust and fuzz from the grain as it passes beneath the several inclines and over the respective brushes, any desired number of such inclines and brushes being employed. To the under side of the lower brush-disk are secured vertical blades Z Z, which force the dust, &c., through the perforations m m in the inner case, K, into the space m between the cases, from which it is carried by suction through the ports m m into the lower air-chamber, H, and thence intothe fan-case. The blades Z Z also serve to sweep the grain from the bed-plate, where it has fallen from the brushes, to and through openings at n in the bed-plate into spouts a n, from which it descends to the suction-spouts L L, as indicated in Fig. 4. The bran and dust from the scouring mechanism pass into the fan-case, and may be allowed to go to waste through the opening (Z or be received in suitable receptacles, while the germs and heavier portions of separated material fall upon the double-inclined spout h,

and pass down the same to both sides of the machine, as shown in Fig. 3. The screenings descend through the opening 9 and passbut through the valves e" at the end of the inclined bottom, as indicated. As the grain passes into the spouts L L, it is subjected to a final draft of air induced by the fan, that removes all remaining impurities, that are thus made to pass up the spouts L L, over the arches of the same, and down to openings 0 0, which admit the dust, &c., to the air-chamber, to be wasted. The remaining screenings pass out at the inclined bottoms through valves E there placed as seen in Fig. 3. Adjustable deflectors 0 0 are placed in the spoutsL L, as shown. The shaft carrying the brushes Z Z and rubber I is adjustable by means of a thumbscrew, r, and lever B, asshown in Fig. 1.

It will be observed that the grain and separated impurities in their progress through the machine are subjected to the action of successive air-currents induced by and toward a single fan, and are also respectively diverted by suitable double-inclined spouts toward the- Patent, is

1. In a grain-cleaner, the combination, with suitable air draft or exhaust mechanism, of the external casing, K, stationary rubber I, mounted thereon, internal perforated casing, K, having annular inclines 7c, the shaft J, the rotary rubber I, and brushes Z Z, substantially as described.

2. In a grain-cleaner, the combination of the fan B, arched spouts L L, casings K K, having an intermediate space, m, the spouts n a, leading from the interior of the inner casing to the spouts L L, the annular inclines 7c 70, stationary rubber I, hopper 'Z, and shaft J, carrying rotary-rubber I, brushesZ Z, and blades Z Z, substantially asdescribed.

3. In a grain-cleaner, the combination of the fan B, lower air-chamber, H, having in-. clined spouts h h divergingto each side, and the arched spout G G, having adjustable valve h, substantially as described. 4. In a grain-cleaner, the combination,with the arched spout G G, lower air-chamber, H, having spouts h h, and the fan B of the scouring mechanism, and casings K K, having intermediate space, an, communicating with the lower air-chamber and with the inner casing, whereby the scourings are separated and the valuable portion thereof saved, substantially as described.

5. In a grain-cleaner, the combination, with the fan 13, upper air-chamber, 13, lower air- IIO chamber, H, casings K K rubbers I I and 284,489 i p a 6. The herein-described grain-cleaner, comdiverging streams or portions to opposite sides prising the fan B upper and lower air-chamof the machine, as set forth. hers, BH, the arched spouts F F G G, and In testimony whereof I affix my signature in L L, opening into said chambers, &c., the vipresence of two witnesses.

5 bratory shoe D, rubbers I I, oasingsK K, an- JOHN RUSSELL.

nular inclines k k, rotary brushes Z 1, and Witnesses: r means, substantially as described, for dividing A. R. BROWN, the separated materials and directing them in PHILIP MAURQ.

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