US646278A - Hammer-support-for crushers and pulverizers. - Google Patents

Description

Patented Mar., 27, 1900.

No. 646,278. E. H. FRIKEY..l

HAMMER SUPPRT FOR CRUSHERS AND P-LyERIZERS.

(Applieacion aledsepz. 2, 189s.) (No Modal.)

Ivo

j NITE STATES ATEN ENCE@ EDVARD I-I. FRIOKEY, OF ST. LOUIS, MISSOURI, ASSIGNOR TO THE VIL LIAMS PATENT ORUSHER AND PULVERIZER COMPANY, OF SAME PLACE.

HAMMER-SUPPORT' FOR CRUSHERS AND FULVERIZERS.

srncrrrcnrrron forming pea ef Lettere Patent No; Geraete, dated Meren er, 1900. Application filed `September 2,1898. rSerial No; 690,068. (No model.)

To all whom t may concern:

Be it known that I, EDWARD H. FRICKY, a citizen of the United States, residing at the city of St. Louis, State of Missouri, have invented a certain new and useful Improvement in Hammer-Supports for Crushers and Pulverizers, of which the following is a full, clear, and exact description, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, forming part of this specification, in which- Figure l is a Vertical sectional view thron gh a machine transversely to the shaft. Fig. 2 is a detailed face View of the ,hammer-disk, and Fig. 3 is a side elevational view of the same.

This invention relates to a new and useful improvement in hammer-supports for crushers and pulverizers of that type in which the hammers are pivotally mounted on disks which revolve in unison, causing the hammers to assume a radial position in motion, due to centrifugal force. The material to be operated upon is fed into the machine and is primarily crushed by the hammers on a deadplate, after which the hammers carryit rearwardly over a grinding-surface (shown in this instance as a concentric cage) composed of a series of parallel transversely-arranged bars, and when the material is reduced sufficiently fine it falls between the bars through the bottom of the machine, whence it may be carried to any desirable point.

In operating on hard substances the outer ends of the hammers wear-that is, the hammers become short from constant usage-and it is necessary under such conditions to introduce new hammers or provide means to extend the worn shortened ones to make them efficient.

This present invention consists in the provision of such means, its distinguishing feature being series of openings in the disk plates of 'gradually-increasing radii, whereby when the hammer is worn and is no longer efficient in its shortened condition its pivot is removed and inserted in an opening located at a greater distance from the axis of These openings may he so ar- 5o the machine; B, the shaft; C, the disks or hammer-supports; I), the hammers; d, the pivots, preferably in the form of throughbolts, upon which the hammers are mounted; E, the cover of the machine; F, the deadplate, and G the grinding=snrface, in the form 6o of a concentric cage, although with respect to this grinding-surface other forms could be employed.

Disks O are keyed or otherwise secured to .shaft B and are provided with series of openings 0,-Which gradually increase in distance from the center of the shaft in eccentric lines.

-This is the preferred arrangement of openings c, as it provides sufficient metal for 'strength around them, yet increasing the radial distance by small degrees as the pivots are adj usted successively in the holes. Other arrangements of the openings may be employed, however.

When the machine is first assembled, the hammers are pivoted in the set of holes nearest the shaft, and as their points wear their pivot-point is changed to the next opening, and so on as the wear increases, each adj ustment of the pivot-points acting, in effect, to outwardly extend the striking-points of said hammers. The proper distance between the striking-points of the hammers and the deadplate and cage productive of the best results is thus maintained.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is V l. The combination with a rotary shaft, of

ham mer-supports arranged thereon, said sup- 9o ports having series of openings of gradually= increasing distances from the axis, hammers, and pivots for said hammers, which pivots cooperate with, or are adapted to lit in dier-v ent openings in a series in said supports, to

adjust thestrikingpoints of said hammers, substantially as described.

2. lIn a crusher, the combination with a rotary shaft, a set of pivoted hammers and a l support is adjustable toward or from the axis dead-plate, of a hammer-support mounted on the shaft, consisting of a disk-plate having a series of holes arranged in a line of graduallyincreasing distances from the axis, whereby the pivot-points of said hammers are adjustably located, substantially as described.

3. The combination with the casing, of a shaft, supports having series of openings of gradually-increasing radii, pivoted hammers Whose pivot-points are adjustable in said series of openings, a grinding-surface, and an inclined dead-plate upon which the material is primarily crushed by the hammers, said hammers carrying the material back and reducing it on I(he grinding-surface, substanof rotation of said support; substantially as described.

5. The combination with a hammer-support C, having two or more iixed points o'i' attachment located at varying,r distances from the axis of rotation o'i' said support, and a hammer removably pivoted to said support at one of said points of attachment; substantially as described.

6. A Crusher comprising a casing, a rotary shaft, a hammer-support on said shaft, having separate points of attachment for the hammers and hammers adjustably pivoted separately and independently to said hammer-support to Vary the reach of said hammers, substantially as described.

In testimony whereof I hereunto aiiix my signature, in the presence of two witnesses, this 30th day of August, 1898.

EDWARD H. FRICKEY.

Vitnesses:

F. R. CORNWALL, HUGH K. WAGNER.

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