US257661A - Richaed cook - Google Patents

Description

llamas STATES PAT NT OFF CE.

RICHARD COOK, OF SHEFFIELD, ENGLAND.

MACHINE FOR REDUCING COAL, CORN, 84c.

SPECIFICATION forming part of Letters Patent No. 257,661, dated May 9', 1882.

Application filed March 8, 1882. (No model.) Iatented in England October 18, 1880, in Germany March 14, 1881, in France March 18, 1881, in Belgium March 19, 1881, and in Canada October 19, 1881.

To all whom it may concern 7 Be it known that I, RICHARD 000K, of Sheffield, England, have invented a new and usefulImproved Machine forReducing Goal, Corn, or other Materials, (for which I have obtained a patent in Great Britain, No. 4,244, hearing date October 18, 1880; a patent in France,No. 141,801, dated March 18,1881; a patent in Belgium, No. 54,161, dated March 19,1881; apatent in Germany, No. 16,242, dated March 14, 1881, and a patent in Canada on the 19th of October, 1881,) of which the following is a specification, reference being bad to the accompanying drawings.

Myinvention relates to an improved machine which is chiefly designed for reducing or put verizing coal, but which is also applicable for grinding or reducing corn or other materials.

My said machine is represented in the accompanying drawings, in which Figure 1 is a longitudinal vertical section and Fig. 2 a transverse section thereof on the line as m, Fig. 1.

A is a strong cylindrical casing, at one end of which there is an upright tube or shaft, 0;, designed to receive the coal or other material and to convey it to the interior of the case A. The driving-shaft D passes through this case, and is supported in bearings D* D* outside the case. The drivers or arms H, carrying the rollers G, are curved in the manner shown,so that the roller on one side of the shaftD revolves in a difi'erent vertical plane to that in which the other roller revolves-that is tosay, the path of one roller is in advance of that of the other roller. Blades or fans I are placed between the arms H of the driver to move and agitate the material and to create a draft. There is also a similarfan,P,securelyfixedto thcdriving-shaft D between the rollers and the feeding end of the case A. This fan moves the material (as it enters the case) toward the said rollers. This machine maybe made with only one set of rollers or balls, G, butit is designed to be furnished with two sets thereof, as shown; or three or more sets may be .used, placed at intervals along the driving-shaft D and arranged to rotate in the same manner as above described. Upon the driving-shaft D, and between each set of balls or rollers, I provide two double-bladed fans, P, the first one of which catches the material as it comes from the rollers next to it and drives the said material toward the next fan, which in its, turn directs the material to the set of balls or rollers G, which is in advance thereof, and by these means the material has a constant progressive motion imparted to it from the feeding end of the machine toward the delivery end thereof, and is finally caused to pass out at the said delivery end by means of another doublebladed fan, P fixed on thcdrivingshaftD close to this end of the machine, which end may be providedwith a sieve or screen, if desired. The material reaches this fan P perfectly reduced, andisdischargedintoachuteorpipe,Q,whence it passes into anysuitable receptacle placed beneath the same. The aforesaid fans 1 1? P secured to the driving-shaftD,create powerful currents of air, thus cooling the pulverized or ground substances,which are thus delivered free from beat, this being of very great advantage.

This machine may be provided with steel or other hard rings, placed within the case A in such a position that they form circles within which the rollers or balls G rotate. The materials to be treated are crushed, ground, or pulverized between the said rollers or balls and the inner face of the said ring.

I arrange the driving-shaft D nearer to the lower portion ofthe case A than to the upper portion thereof, so that the material is at the upper part of the machine crushed or bruised and at the lower part thereof pulverized or ground, there being a greater distance between the rollers and the case at the upper part than at the lower part.

I prefer to cast lheballsorrollersG inchills, and when they are to have a spindle rigidly attached to them the hole for the latter may be bored out; or the balls may be cast upon the spindles.

What I claim is- 1. The combination, substantially as described, of a case or cylinder, A, a shaft, D, curved drivers or carriers H, secured to the shaft, and rollers G, arranged respectively on the ends of the drivers or carriers to rotate in difi'erent vertical planes, essentially in the man ner and for the purposes set forth.

2. The combination, with the case or cylinder. A, having feed and discharge tubes at its ends,

respectively, the horizontal shaft D,rnnd the with the shaft D, curved drive:s or arms H, traveling grinding-or crushing rollers G, of the the rollers or balls G, and the blades or fans double-armed fans P, P, and P arranged re- I, substantially as above desc:'-ibed,nnd for the spectively at the feed and discharge ends of purpose specified. 15 the case or cylinder and atthe side of the trav- In witness whereof I have hereunto signed cling grinding or crushing rollers for cooling my name in the presence of two subscribing the material being operated on, feeding it witnesses.

along, and discharging the same atone end of RICHARD COOK. thecase or cylinder,substantially as described. \Vitnesses:

3. The combination of the case or cylinder l HY. JNO. ALLEN, A, the tube or shaft 0, and the chute or pipe Q H.- W. LARKMAN.

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