US295471A - Machine for scouring and polishing cereals - Google Patents

Description

(NoMa deL) W. AGER.

I MAGHiNE FOR. SGOURING AND POLISHING CEREALS. N0. 295,4'7L. Patented Mar. 18,1884.

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To all whom it may concern.-

Nirnn'. STATES PATENT OFFICE.

WILSON AGER, or New YORK, N. Y.

MACHINE FOR SCOURINGAND POLISHING CEREALS- SPECIFICATION forming part of Letters Patent No. 295,471, dated March 18, 1884. Application filed August 22, 1 83. (N model.)

- Be it known that I, WILSON AGER, a citizen of the United States, residing at New York, in

the county and State of New York, have invented new and useful Improvements in Machines for Securing and Polishing Cereals, of which the following is a specification.

My invention relates to machines for scouring and decorticating cereals; and it consists in the combination of an outer drum having its inner side constructed or provided with an imperforate abrading surface and with gauze sectionsat intervals in its wall, with an internal cylinder having its exterior-surface constructed or provided with a surface of bristles, and with blast-apertures in its walls, and air-forcing devices at the end of the cylinder, whereby the cereals introduced between .the drum and cylinder are secured and decoraccompanying drawings, in which Figure l is a central vertical section taken through the machine. section taken on the line 2 2, Fig. 1. Fig. 3 is a central vertical section of the outer cylinder, the other parts being removed. Fig. 4 is a plan of the end of the inner revolving cylinder.

A in said drawings indicates any suitable frame-work by which the operative parts are supported. At the top and bottom thereof are placed cross-beams a a, respectively, and upon the latter is placed a bearing, b, in which is stepped a vertical shaft, B, the bearing being covered by a hood, I), to prevent. the entrance of dust. The upper end of the shaft has support in the cross-beam a, which is further strengthened by a cross-tie, a, running at right angles to the beam a. The shaft B is provided with a bandpulley, B, and its eX- tremity may be stepped in a second pair of cross-ties, 00".

Upon the shaft B is keyed a cylinder, 0, which is constructed in the following manner:

Fig. 2 is a horizontal Each cylinder-head c is flanged, as shown at c, and the cylinder-body c" is bolted to these flanges. The body is composed of anysuitable material, and is inade in two, three, or more sections, with intermediate openings, D, which are partly covered by flaps d, secured to the body portions and bentinward, leaving space for the passage of air, the openings between the flaps and the body portions being in the direction of rotation. The outer surface of the cylinder is covered with short closelyset bristles 0 or, instead thereof, tampico or an equivalent .Inaterial' may be employed.

Each, cylinder-head c is providedwith two,

three, or more openings, I), each being partly covered by a flap or inclined plate, d. 'These openings are placed as near the periphery as possible, and the openings of the inclined plates face in the direction in which the cylinder rotates, whereby the air above and below is caught by the plates and forced into the interior of the cylinder. r

E represents an outer drum surrounding the cylinder 0 and having support upon the frame A. It is composed of any suitable material,

and it is constructed with an imperforate abrading-surface on its inside,- composed of emery, Derbyshire stone, or other suitable abrading material. The outer drum is concentric with the innerfcylinder, and has such diameter that thegrain, when introduced into the intermediatespace, will be subjected to friction by both the inner and outer cylindrical surfaces. In the wall of the outer drum, E, are formed two, three, or more vertical openings, extending to a point not far from the lower end, and covered by wire gauze F. The construction of this portion of the apparatus is shown in the sectional view in Fig. 3, in which 6 rep resents the cylindrical body of said drum, having an imperforate scouring and decorticating abrasive surface of the kind described. The body of the drum is composed of a material suitable for the purpose, and is set within an upper hoop, G, and a lower hoop, H, the latter having a cone-shaped lower portion terminating in a chute, I, through which IOO proper receptacles above down between the revolving cylinder G and the outer drum, E.

The operation of the device is as follows: As the grain descends through the chute or hopper-trough L it passes between the inner revolving cylinder, 0, and the outer drum, E, whereby it is thoroughly cleansed, secured, and polished, and is deprived of its outer husk or skin. The air-blast, which is created by the rotation of the inner cylinder through the hooded openings D (1, drives the dust out through the wire-gauze-covered openings in the outer shell or drum, while the grain thus scoured or decorticated descends through the hopper-chute I. A gauze-covered opening, *6, is formed in the latter to admit air to the lower head of the cylinder 0, and at the same time exclude foreign matters.

Instead of using wire-gauze to cover the openings in the outer drum, I may employ zinc or steel plates having slotted openings, as they are less liable to clog or choke, and either material is within the scope of my present in vention.

Having thus described my invention, what I claim is- 1. A grain scouring and decorticating apparatus, combining in its structure an outer drum having its walls constructed with an imperforate abradingsurface provided at intervals with foraminous sections, and an inner cylinder having its wall constructed with blastopenings and means for inducing air into the cylinder and driving it through the blast-openings therein and through the foraminous sections, substantially as .described.

2. A grain scouring and decorticating apparatus, combining in its structure an outer drum having its wall constructed with an imperforate abrading surface provided with gauze sect-ions at intervals, an inner cylinder having blast-apertures, an external surface of bristles, and an air-opening at its end, and means for inducing air into the air-openings and forcing it through the blast-apertures and the gauze sections of the drum, substantially as described.

3. A grain securing and decorticating apparatus, combining in its structure an outer drum having its wall constructed with an imperforate abrading-surface having gauze sections arranged therein at intervals, an interior cylinder, and means for driving air through the inner cylinder and the gauze sections of the imperforate abrading-surface of the outer drum, substantially as described.

4. A grain scouring and decorticating apparatus, combining in its structure an upright drum having its wall provided with vertical openings and an imperforate abrading-surface, gauze pieces arranged in the vertical openings, and an internal cylinder having vertical openings and bristles, and provided at its end with air-forcing hooded openings, substantially as described.

5. The combination, with the inner cylinder having air-forcing devices in its two heads, of the lower hopper and grain-chute having a gauze-covered air-opening to admit air to the lower end of the cylinder, substantially as described.

In testimony whereof Ihavc hereunto set my hand in the presence of two subscribing witnesses.

WILSON AGER. \Vitnesses:

JAMES L. NoRms, J. A. RUTHERFORD.

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