US754657A - Gold-separator. - Google Patents

Description

No; 754,657. `1 A131111T111 MAR. 15, 1904.

A. C. LA BUD 1.111. BARTON.

4GrOLD SEPARATOR.

APPLIGATIoN FILED JAN. z2. 1902.

No MODEL.' z SHEETS-SHEET 2.

-ff-Q- v @ff/wam u UNITED STATES Patented March 15, 1904.

PATENT EEICE.

AUGUST O. LABUD AND HENRY JOHN BARTON, OF OAKBAR, CALIFORNIA.

GOLD-SEPARATOR.

SPECIFICATION forming part of Letters Patent NO. 754,657, dated March 15, 1904.

Application filed January 22, 1902. Serial No. 90,780l (No model.)

To all whom t may concern,.-

Be it known that we, AUGUST O. LA BUD and HENRY JOHN BARTON, citizens of the United States, residing at Oakbar, in the county of Siskiyou and State of Cali fornia, have invented certain new and useful Improvements in Gold-Separators; and we do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention has relation to gold-separators; and it consists in the novel construction and combination of parts, all as hereinafter described, and pointed out in the appended claim.

Figure l is a side elevation of our separator. Fig. 2 is a plan view of the same. Fig. 3 is l a cross-section through the separator on a line with the sluice-box, and Figs. 4 and 5 are detail views of the riflles.

Referring to the drawings, the letter A designates the chute upon which the dirt or gravel is dumped and which leads to the perforated shaking-table or screen B, suspended by pivoted hangers band vibrated longitudinally by eccentric-rod-'and-strap connection with the shaft 0, driven by suitablepower. Below the swinging screen, the perforations of which are coarse, having a diameter of one and one-half inches, is the hopper O for the separated from its neighbors of the same set by a space of one inch. The riifles of the lower set, which are loaded with Quicksilver, are separated from each other by a space of threequarters of an inch. The peculiar form of these riiiies has special advantages for increasing commotion in the water, which will prevent packing of the gravel in the riiiies. The first boxes of these riflies are set upon a higher grade than the lower boxes, facilitating the extrication of the underflow. The sluice-box leads into an undercurrent G, which is provided with the latest devices for saving gold. The vibratory screen discharges at its lower end into a self-dumping rock-car H, such car being for the purpose of transferring thenine feet for the sluice-box and a twelve-foot dump for the rock-car, besides the fall of the sluice-box. The dirt is graded at once as it passes over the vibratory screen to a sizeof one and one-half inches in diameter and is again graded twice over to sizes of one inch and three-quarters of an inch in diameter by the riHies in the sluice-box.

Having thus described our invention, what we claimA as new, and desire to secure by Letters Patent, is-

In a gold-separator, the combination of a sluice-box, and a plurality of sets of inverted- L-form rifiles therein, the lower set of riflies lying on the bottom of the sluice-box and slightly spaced from each other, and the upper set directly overlying said lower set and having its riftles more widely spaced from each other than those of the lower set, substantially as specified.

A In testimony whereof we aiix our signatures in presence of two witnesses. p AUGUST C. LA BUD.

HENRY JOHN BARTON. Witnesses:

' H. B. WARREN, -HUGH FosTER.

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