US634052A - Grinding-mill. - Google Patents

Description

No. 634,052. Patented on. 3, I899.

0. J. ZIEGLER.

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No. 634,052.. r Patented Oct. 3, I899.

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GRINDING HILL. (Application filed In. 31, 1899.) (No new.) a shan -sheet 3 UNITED: STATES.

PATENT OFFICE.

OSCAR 'J. 'ZIEGLER, OF FREEPORT, ILLINOIS, ASSIGNOR TO THE STOVER MANUFACTURING COMPANY, OF SAME PLACEI GRINDING-MILL.

srncIFIoA'rIoN forming part of Letters Patent No. 634,052, dated October 3, 1899.

Application filed March 31, less.

T0 at whom it may concern;

Be it known that I, OSCAR J. ZIEGLER, acitizen of the United States of America, residing at Freeport, in the county of Stephenson and- State of Illinois, have invented certain new and useful Improvements in Grinding-Mills, of which the following is a specification.

My invention relates to improvements in mills of the class commonly known as feedgrinders,and is fully described and claimed hereinafter. 7

Referring to the accompanying drawings, which form a part of this specification, Figure 1 is an isometrical view of a mill embodying my improvements. Fig. 2 is a central vertical section of the mill shown in Fig. 1. Fig. 3 is alike viewof the same with some of the parts thereof in different positions from those shown in Fig. 2. Figs. 4, 5, and 6 are detail viewshereinafter fully described.

A is a ground-feed receptacle of any desired form and construction.

B is the base of the mill, having countersunk thereinto a circular geared track B and a circular smooth trackB and provided I with openings B extending vertically there-I through, to allow any portion of the ground feed that may chance to 'work thereint-o from. the grindingburs when the mill is operated to pass downward thereout. I

B is an outside grinding-bur provided with an upwardly-projecting.annnlarfiange B and spider B, having a vertical opening B" in the apex thereof and rigidly connected with the base B.

C is a master-ring having horizontal stnbaxles G projecting radiallyinward from the inside thereof.

' C are pinions mounted on the stub-axles C and meshing with the circular geared track B, countersunk into the base B of the mill.

0 are tintifriction-rollers mounted on the stub axles O, concentrical and preferably integral with the pinions G and adapted to traverse the, smooth circular track B countersunk into the basal? of the mill.

(3 are lugs to whicha sweep (not shown) for. rotating the master-ring C may beattached.

D is an inside grinding-bur, the counter- SerialNm71L264. No model.)

.to admit and engage the peripheries of the antifriction-rollers 0 provided with an annular flange E projecting downward therefromwithin the upwardly-projecting annular flange B on the part B and a spider E supporting a downwardly-extending tenon E adapted to enter the mortise D in the part D.

' F is a gear-guarding cylinder rigidly securedat .its upper end to the under face of the driving-ring E and projecting downwardly therefrom between the outside grinding-bur B and the master-ring O and countersunk geared track B in the base B ofthe mill to the vertical openings Bi, extending therethrough.

G is a yoke resting upon the spider of the driving-ring E.

His a long bolt extending vertically through the parts D E E G, whereinto it is secured by means of the lever-nut J. The bolt H suspends the inside grinding-bur D from. the driving-ring E,'and the lever-nut J serves to adjust the inside and outside grinding-burs 'B D by drawing them into closer proximity,

or vice versa.

- The collar K and bolts and nuts K K secure the driving-ring E into engagement with pinions O 7 l The countersink'in the base B is constructed,- as shown in'Figs. 2 and 3, to adapt it for use as a track-tank for oil, and when filled therewith it lubricates the pinions C and the too ground feed does escape between the flanges B E. In that event the gear-guarding cylinder F prevents it from getting into the gears, geared tracks, antifriction rollers, and their tracks, and it passes by the operation of gravity and by reason of the vibrations of the running mill downward between the outside grinding-bur B and gear-guarding cylinder F and outward through the vertical openings 13* in the base 13 of the mill.

The antifriction-rollers C render the mill light running, and thus easy to operate, and the pinions G serve not only to communicate power from the master-ring O to the drivingring E and thence to the inside grindingbur D, but they also operate to speed them to a velocity double that of the master-ring O.

The parts B O E F are so formed and arranged as to produce a complete inclosure for the pinions and antifriction-rollers C O and their tracks, thereby protectingthem and the circular tank of oil they run in from dust, dirt, and other foreign substances.

I claim- 1. In a grinding-mill, in combination ,abase having countersunk thereinto a circular geared track and a circular smooth track, a master-ring having horizontal stub-axles proj ecting radially inward from the inside thereof and provided With pinions, meshing with the circular geared track, and with antifric- Lion-rollers, adapted to traverse the circular smooth track, a driving-ring having countersunk into the under face thereof a circular geared track, adapted to mesh with the pinions, and a circular smooth track, adapted to admit and engage the peripheries of the antifriction-rollers, anda gear-guarding cylinder, rigidly secured, at its upper end, to the under face of the driving'ring and projecting downwardly therefrom to the mill-base, substantially as and for the purpose specified.

2. In a grinding-mill, in combination,a base having countersunk thereinto a circular geared track and a circular smooth track and provided with vertical openings extending therethrough, a master-ring having horizontal stub-axles projecting radially inward from the inside thereof, pinions and antifrictionrollers mounted thereon, the former meshing I with the geared track and the latter adapted to traverse the smooth track of the base, a driving-ring having countersunk into the un der face thereof a circular geared track and a circular smooth track, the former meshing with the pinions and the latter adapted to ad mit and engage the peripheries of the antifriction-rollers, a gear-guarding cylinder, rigidly secured, at its upper end, to the under face of the driving-ring and projecting downwardly therefrom to the vertical openings in the mill-base, and the outside and inside grinding-burs, substantially as and for the purpose specified.

OSCAR J, ZIEGLER 'Witnesses:

JOHN MCDONALD, ANN E. STARR.

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