US696755A - Grain-crusher. - Google Patents

Description

3 Sheets-Sheet I.

(No Model.)

Patented Apr. Il, |902.

H. & G. Boss'. GRAIN CRUSHER.

(Application led Dec. 6, 1900.)

3 Sheets-Sheet 2.

(No Model.)

TH: Nnms vzrsws co. mmuumo. WASHINGTON, D. c.

No. 696,755. Patented Apr. l, |902.

' H. & G. ROSE.

GRAIN CRUSHER.

(Application led Dac. 6, 1900.)

3 Sheets-Sheet 3.

(No Model.)

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UNITED STATES PATENT OEEICE'.

HENRI ROSE AND GEORGES ROSE, OF POISSY, FRANCE.

SPECIFICATION forming part of Letters Patent No. 696,755, dated April 1, 1902.

Application filed December 6,1900. Serial No. 38,887. (No model.)

To all whom, it pta/y concern:

Be it known that we, HENRI ROSE and GEORGES ROSE, citizens of the French Republic, and residents of Poissy, Seine-etOise, France, have jointly invented certain new and useful Improvements in Grain-Crushers, of which the following is a specification.

This invention relates to the general class of machines or apparatus employed for crushing wheat or other grain with the view of separating therefrom the kernel or nutritive nucleus; and the main object of the invention is to provide such a machine which will effect the separation Without compression or friction and which will reduce the kernels to granules of variable sizes, according to the degree of ineness it is desired to attain in the milling, the detaching of the nucleus being effected with the cracking or breaking up of the grain into the minimum number of particles.

In the'drawings which serve to illustrate an embodiment of our invention, Figure 1 is as to the half at the left a side elevation and as to the half at the right a vertical section taken at'line fr in Fig. 3. Fig. 2 is a front elevation 0f the drum of the machine detached. Fig. 3 is a front elevation of the machine. Fig. 4 is a similar view to Fig. 1, illustrating a slightly-diiferent construction of the drum.

The Crusher, which forms the object of this invention, comprises in general an inclosing casing, which is circular interiorly and fixed in position, a drum rotatively mounted in said casing having on its periphery ribs spaced equidistantly and parallel, and a series of movable ribs or bars mounted in the casing on rock-shafts or on rocking bearings and directed inward or toward the drum, the inner edges of said rocking bars being quite near the circular path traversed by the ribs on the drum. The rock-shafts which carry said rocking bars are spaced equidistantly, are parallel with the drum-axis, and have bearings in the ends or heads of the casing through which they extend, means being provided for rocking them either altogether or in series. This construction permits of varying the inclination of the rocking bars at any time from their radial position with respect Fig. 2.) tire periphery of the drum, and preferably' to the drum, so as to obtain the proper variaj tion in the crushing operation made necessary by the nature of the grain treated, its hygrometric condition, (Sac.

Referring to the drawings, the construction will now be more particularly described.

The outer fixed casing of the machine comprises a base 1, in which is formed a semicylindrical chamber of the proper dimensions to receive the drum 2, which is Xed on a shaft 3, having bearings 4 in the casing. The upper part of the casing is formed of a removable cover 5, which fits over and incloses the drum. This cover has securing-flanges 6, whereby it is secured to corresponding flanges 7 on the base 1. The drum 2 has on its periphery equidistant ribs 8, and these may be divided by circumferential ribs 9. (Seen in The ribs 8 are applied about the enthey will be cast integrally with the drum. The outer easing and drum may be of castiron.

About the inner surface of the cover 5 are arranged rock-shafts 10, which have bearings in the ends of said cover. These shafts are spaced equidistantly and are parallel with the drum-axis, and each is provided with or carries a bar 11, the preferred form of which.

when seen in cross-section is illustrated in Fig. 1. The shafts project through the ends of the cover 5, and on their outer ends are secured arms 12. These arms are coupled together in groups by links 13. One of said arms 12a of each group is prolonged and eX- tends over a slotted guide 14 and has a clamping-screw 15, whereby it may be secured to the guide when set, and thus hold the shafts ofthe group firmly against movement. Thus the bars 11 of any group may be set and held at any desired angle with the radii of the drum 2. Preferably the alternating groups of shafts will have the means for setting them at the same end of the drum, as clearly indicated by the full and dotted lines in Fig. 1. This figure also shows the extent to which the bars 11 extend about the interior of the cover 5. They are only provided in the cover and occupy only a part of the inner wall or surface of the latter. The drum 2 rotates in the direction of the arrow a, (seen in Fig. 1,) and IOO it maybe, of course, driven from any source of power.

p on drums of considerable length.

y The grain is admitted to the machine at a hopper 16, and the supply is regulated by a distributer, from Which it passes by a chute 17 to the interior of the casing. This distributer 18 is of a known kind and will be sufiiciently understood from the illustration. The roller 19 of this distributer is driven from the drum-shaft 3 by a belt 20, Fig. 3, and

suitable pulleys and toothed gears.

The grain is carried about by the drum and discharged at the outlet 21, and the air, charged with the dust and lighter particles from the grain, escapes at the outlet 22.

The machine as seen in Figs. 1, 2, and 3 illustrates it in the form We prefer to employ; but We do not wish to limit ourselves to this precise construction, as we are well aware that it may be varied in some respects Without departing materially from our invention. For example, the drum may be constructed as illustrated. in Fig. 4, wherein the Xed ribs 8 are substituted by pivoted or adjustable ribs 8, which may be set at an angle to the drum radii before the drum is set in motion. This figure also shows the dust-outlet 22 situated somewhat dilferently from the disposition of this' outlet seen in Fig. 1.

The circumferential ribs 9 on the drum are not essential and would only be employed Their functton is to facilitate the more equal distribution of the grain throughout the length of the drum.

The shafts 10 may, if desired, be included all in one group, so that allthe bars 11 could be set simultaneously.

We do not claim all the features of the crushing-machine illustrated, as some of them are now Well known. Our invention resides mainly in'the concentrically-arranged and angularly-adjustable ribs or bars 11 in connection With the drum 2, having either fixed or adjustable ribs on its periphery.

The purpose of the adj ustability of the bars 11 is to provide for varying the space between the inner edges of said bars and the external edges 0f the ribs on the drum. This adjustment is an important feature in perfecting the Work of the machine.

One characteristic of our machine, as distinguished from some others, lies in the feedinlet being extended the entire length of the inclosed drum and in such a position that the grain falls directly on the drum and not between widely-separated bars in the casing. The bars 11 are placed closely together side by side and form practically a continuousfluted surface. The entire set of bars are in advance of the grain-inlet.

Having thus described our invention, what We claim is-/ 1. In a grain-crushing machine, the outer,

cylindrical casing, the movable bars in the said casing, said bars being placed close together and mounted to rock on journals, the drum rotatively mounted in the casing and having ribs on its periphery which rotate in close proximity to the movable bars in the casing, and means for separately adjusting` and setting groups ot' the said bars, the said casing having an inlet for grain extending substantially the entire length of the inclosing drum and opening directly to the periphery of the latter, and the series of bars in the casing being Wholly in advance of the grain-inlet, substantially as set forth.

2. In a grain-crushing machine, the combination With the outer casing, and the ribbed drum rotatively mounted therein, of the concentrically-disposed and parallel rock-shafts 10, mounted in the ends of the upper part of the casing, the arms 12 on the projecting ends of said rock-shafts, the links coupling said arms together in groups, means for operating and securing the coupled group of arms, and the bars 11 placed close together on the respective rock-shafts, substantially as set forth.

In witness whereof we have hereunto signed our names, this 21st day of November, 1900, in the presence of two subscribing Witnesses.

HENRI ROSE. GEORGES ROSE. Vitnesses:

ALBERT MAULsAULT, J. ALLIsoN BOWEN.

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