US159569A - Improvement in fanning-mills - Google Patents

Description

A. Y. FELTOIL Fanning-Mill.

l B o 1 m t m Patented Feb. 9,1875.

ATTORNEYS.

THE GRAPHIC C(LPH 0T0 .-L|TH.39 801-1 PARK PLAOE.N.V.

UNITED STATES PATENT Orrron.

ASA Y. FELTON, OF PLAIN VIEW, MINNESOTA.

IMPROVEMENT IN FANNlNG- MlLLS.

Specification forming part of Letters Patent No. 159,569, dated February 9, 1875; application filed July 11, 1874.

To all whom it may concern Be it known that I, ASA Y. FELroN, of Plain View, in the county of Wabashaw and State of Minnesota, have invented a new and lmproved Fanning-Mill, of which the following is a specification:

The invention will first be fully described, and then pointed out in the claims.

Figure l is a side elevation of my improved fanning-mill, with a detail in section. Fig. 2 is a longitudinal sectional elevation. Fig. 3 is a plan of one of the sieves, and Fig. 4 is a detail of the cam and lever for working the shaker. Fig. 5 is a detail of the supporting and adjusting apparatus for the sieves.

Similar letters of reference indicate corresponding parts.

A represents the sieve, which I propose to make of sheet metal, making the perforations all the same size and farther apart in the upper portion, where the grain is received on it, than in the lower portion, to cause a larger portion to slide along the sieve before falling through, to spread the falling grain more evenly throughout the area of the sieve, so that the air will act to better advantage. B represents the connection of the upper edge of the chute-board O of the sieve with the grain-board G, from which the grain slides onto it, the said connection being so formed that a lip, D, projects over the edge of the board 0 to prevent the grain and other matters from falling into the joint, and so that the sieve and the board 0 may turn on the joint to rise and fall at the lower part, to vary the descent. The board 0 is connected to this board by a hook, E. The chute-board O is not perforated, and is employed for chuting the matters a little distance before reaching the perforations, in order to make the straws and other long matters come to a lying position before reaching the perforations, and thus be more certain to pass over them. F represents the side pieces, in which the sieves are supported. They are pivoted to the board 0 at B, and at the lower end are supported bya board, G, on the upper edge of which the lower sieve rests, being grooved thereat to re ceive the edge in said groove, as shown at H, and they are shifted-up and down by shifting the board in grooves in the side boards J of \the shaker, and fastened at any point to hold the sieves in the proper descent by slide-bolts K and holes in said boards, several holes being provided at different heights. This board Gr also serves to prevent the air from gscaping between the sieves and the screws M, and cause it to pass up through the meshes of the sieves, by which it is more efficient in separating the. refuse matters from the grain and carrying them out. N is the lever, and O the cam by which the shaker is geared to the fanshaft, the shaker being connected to one end of the lever by a bracket, P, the lever being arranged outside of the case and pivoted near its middle to the frame-piece Q, by shifting- .points It, and having a stud, S, in its other end working in the groove of the cam.

Having thus described my invention, I claim as new and desire to secure by Letters Patent-- l. The sieve A, having all its holes of the same size but cut farthest apart on the upper portion and gradually coming nearer together as they approach the lower end, as and for the purpose described.

2. The sieve-supports F, jointed to the headboard at B, the vertically-adjustable board G, with the fastening-bolts K and the shaker, combined and arranged substantially as specified.

ASA Y. FELTON.

Witnesses;

E. S. OAsE, H. P. WILLsoN.

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