US427250A - Oscar biliiarz - Google Patents

Oscar biliiarz Download PDF

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US427250A
US427250A US427250DA US427250A US 427250 A US427250 A US 427250A US 427250D A US427250D A US 427250DA US 427250 A US427250 A US 427250A
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belt
oscar
rolls
frame
percussion
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03DFLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00Flotation

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  • OSCAR BILI'IARZ OF FREIBERG, SAXONY, GERMANY.
  • the percussion-frames with revolving belts now in use present several disadvantages, chiefly consisting in the tendency of the belt or band to fall down, in the difficulty of exchanging the belts, and in the tendency of the belt to stick to the surface of the table. All these defects render the working difficult and expensive and especially cause a considerable loss of power by the sticking of the belt to the surface of the table. All these drawbacks are done away with in my new percussion-frame by a special arrangement of the belt and the frame-work.
  • Figure 1 shows a side viewof the percussion-frame and belt
  • Fig. 2 shows a top view of the same
  • Fig.3 is a transverse sectional view, 011 a larger scale, across the table and upper half of the apron.
  • the belt M is provided on its inner surface on one or two sides with little teeth f and the rolls 6 with corresponding notches, Fig. 1. The teeth f catch when the apparatus is in operation in the notches of the rolls, and in this manner the slipping of the band and the ensuing interruption of the operation are prevented.
  • a percussion-frame the combination, with a revolving belt and a table supporting said belt, of water-supply devices leading to and upon the top or upper face of said table and adapted to diffuse a sheet of water between the belt and table, substantially as and for the purpose specified.

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(No Model.)
0. BILHARZ. PERGUSSION FRAME WITH REVOLVING BELT FOR THE TREATMENT OF 0338. No. 427,250. Patented May 6, 1890,
w L; x C 1 775% 6 55 as: 1% ve niaz UNITED STATES ATENT 4 OFFICE.
OSCAR BILI'IARZ, OF FREIBERG, SAXONY, GERMANY.
PERCUSSION-FRAME WITH REVOLVING BELT FOR THE TREATMENT OF ORES.
SPECIFICATION forming part of Letters Patent No. 427,250, dated May 6, 1890.
Application filed June 7, 1889. Serial No. 3 J (N0 To all whom it may concern:
Be it known that I, OSCAR BILHARZ, a subj ect of the King of Saxony, residing at Freiberg, Saxony, German Empire, have invented a new and useful Percussion-Frame with Revolving Belt for the Treatment of Ores, of which the following is a full, clear, and exact; description.
The percussion-frames with revolving belts now in use present several disadvantages, chiefly consisting in the tendency of the belt or band to fall down, in the difficulty of exchanging the belts, and in the tendency of the belt to stick to the surface of the table. All these defects render the working difficult and expensive and especially cause a considerable loss of power by the sticking of the belt to the surface of the table. All these drawbacks are done away with in my new percussion-frame by a special arrangement of the belt and the frame-work.
In the annexed drawings, which form a part of this specification, Figure 1 shows a side viewof the percussion-frame and belt, and Fig. 2 shows a top view of the same. Fig.3 is a transverse sectional view, 011 a larger scale, across the table and upper half of the apron.
The construction of the driving mechanism and also the nature of the movement do not present any new features and are similar to those generally in use.
In order to easily take out the rolls 8, if it is desired to change the belt, I journal the axles of these rolls in open bearings. The weight of the rolls and of the belt supported by the same prevents the rolls from jumping out of the bearings, while for exchanging the belt M it is sufficient to raise the rolls 6 and withdraw the belt therefrom and in this manner the exchange becomes an easy task. To prevent the belt from slipping on the rolls and a resulting interruption of the operation, the belt M is provided on its inner surface on one or two sides with little teeth f and the rolls 6 with corresponding notches, Fig. 1. The teeth f catch when the apparatus is in operation in the notches of the rolls, and in this manner the slipping of the band and the ensuing interruption of the operation are prevented. Of more importance, however, than this arrangement of the bearing and the c011- struction of the rolls e is the arrangement whereby a thin sheet of water is caused to flow over and upon the table over which the rubber belt is moving, thus preventing this belt from sticking to the table. This table under the belt cannot be avoided, as a uniform inclination of the belt is required for the thorough performance of the work. The ore and water fed on the belt by the conduit P will of course makethe top of the table Wet also, which will cause the belt to stick to the table, and thus create a resistance to the rotating movement of the belt, which requires a considerable amount of force to overcome it. In order to avoid this, (which is also very destructive to the belt itself,) I arrange alongitudinal water-gutter 6 over the upper surface Q of the table, branched out in lateral gutters cl in the direction of the motion of the belt, which gutters are narrowed toward their end. The gutter c is continually fed with clean water, which spreads in a uniform sheet all over the table from the lateral gutters d andthen flows off. Oonsequentlyathin sheet of water is always placed between the face Q of the table and the belt resting thereon, whereby all friction is avoided. By these means I have completely avoided all resistance to the motion of the belt caused by the indispensable arrangement of the table, and the power necessary for moving the belt may be not only considerably less, but the belt is also preserved against the wear caused by friction on the surface of the table.
Having fully described lnyinvention, What I claim as new, and desire to secure by Letters Patent, is
1. In a percussion-frame, the combination, with a revolving belt and a table supporting said belt, of water-supply devices leading to and upon the top or upper face of said table and adapted to diffuse a sheet of water between the belt and table, substantially as and for the purpose specified.
2. The combination, with the belt, of the table Q beneath the same and provided with the water-supply gutters c d, substantially as and for the purpose specified.
3. In a percussion-frame, the combination,
with the revolving belt provided With teeth I edge, of the rollers e 6, each having a main on the edge of its inner side, and the table Q, smooth portion and recessed at its end below supporting the main or smooth portion of said the surface of the main portion to receive said belt and having the gutters 0 (Z in its upper teeth, substantially as setforth. I 5 5 surface,'0f the rollers e 6, having smooth sur- In Witness whereof I have hereunto set my faces and each recessed at its end below said hand in presence of two Witnesses. smooth surface to receive said teeth, substan- V r tially as set forth. OSCAR BILHARA' 4. In a percussion-frame, the combination, QVitnesses: I0 with the belt having a main smooth portion P. SPRECKELS,
and inwardly-projecting teeth f along one PAUL DRUOKMULLER.
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