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Патент USA US2127418

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Aug. 16,1938.
J_ D, MES
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2,127,418
AMALGAMATOR‘
Filed July 3, 1937
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AMALGAMATOR
Filed July 5, 1937
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AMALGAMATOR
Filed July 5, 1957
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Filed July '5, 1957 '
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Patented Aug. 16, 1938 .
ATENT OFFICE
\ UNITED srares
2,127,418
AMALGAMATOR
John 1). Niles, Elk City, Idaho
Application July 3,1937, Serial No. 151,917
4 Claims. (Cl. 209-42)
The present invention relates to amalgamators riage I3 is mounted for rotation. The upper sur~
for separating precious metals from ore and com
prises essentially a vessel holding a body of mer
cury and means for passing mixed pulverized ore
face of the carriage is provided with a ring gear
M' operatively engaged by a pinion l5 driven by
a shaft [6 extending from the frame and operated
and water through and in close contact with the
by a suitable source of power.
body of mercury in the vessel.
Braces l1 extending upwardly from the carrier
i3 and have their upper ends extended inwardly
‘
An object of the present invention is to provide
an amalgamator of this character embodyinga
,
for ?xedly attaching to a mercury bowl or vessel
horizontal plate mounted for rotation with the
l8, said vessel being suspended from the bracket
10 vessel and upon which the pulp from the vessel
within an opening 19 formed in the center of the
carrier as will be apparent from an inspection
is discharged, said plate being silver-coated and‘
having skimmers associated therewith for
smoothing the pulp over the surface of the plate
as the same is rotated to cause any of the precious
ll metal laden mercury which might be discharged
with the pulp to adhere to the plate for reclaim
ing the same.
A further object is to provide an apparatus of‘
this character of simple and practical construc
tion, relatively inexpensive to manufacture and
maintained in operation, efficient and reliable in
performance and otherwise well adapted for the‘
purposes for which the same is intended.
Other objects and advantages reside in the de
215* tails of construction and operation as more fully
hereinafter described and claimed, reference be»
ing had to the accompanying drawings forming
part hereof, wherein like numerals refer to like
parts throughout and in which:—
30
Figure 1 is a vertical sectional View through the
apparatus.
'
Figure 2 is a top plan view with the upper
portion of the feed pipe shown in section.
_
Figure 3 is a horizontal sectional view taken
35 substantially on a line 3—3 of Figure 1.
Figure 4 is a bottom plan view.
Figure 5 is a fragmentary sectional view taken
substantially on a line 5—5 of Figure 2 and show
Figure 6 is a plan view of the bottom of the
bowl or vessel.
Referring now to the drawings in detail, where
ing for the purpose of illustration I have disclosed
a preferred embodiment of the invention, the
numeral 5 designates a frame which includes
bottom frame members 6 of substantially square
shape, said bottom frame having an inner an~
nular frame ‘I connected to the bottom 6 by
braces or arms 8.
2e:
the plate. The outer edge of the trough termi
nates on a plane below the surface of the plate
to permit pulp to spill from the trough into an
annual launder 28.
A plurality of rif?es 30, formed of copper strips 30
are secured within the bottom of the launder 28,
said launder also being provided with a. discharge
chute 3| at one side thereof.
A plurality of socket‘members 32 are formed
on the upper surface of the bottom 20 of the ves 35
sel within which legs 33 are inserted formed on
the bottom of a feed pipe 34 extending vertically
in spaced relation from the walls of the pipe 22
into the vessel "3, said legs serving to support
ingone of the riii‘les.
40
of Figure 1 of the drawings.
A removable bottom 20 is threaded in the lower
walls of the vessel, said walls tapering upwardly
and terminating in an internally threaded neck
A tubular discharge pipe 22 has its lower
end extended within the neck 2| of the vessel,
said pipe being externally threaded as at 23 in
termediate its ends'for threaded engagement with
the neck. The tubular member is secured in
threadedly adjusted position by set screws 213.
Adjacent the upper end of the tubular pipe 22
is ?xedly secured a horizontal annular plate 25
having a down-turned outer edge 26 formed into
a trough 21 extending entirely around the edge of
The frame also includes up
in O standing frame members 9 connected by top
frame members Ill.
The annular bottom frame member ‘I is formed
with an inwardly extending flange II, the upper
surface of which is grooved for receiving a set
55 of ball bearings I2 upon which an annular car
the bottom of the pipe above the bottom of the 40
vessel. The upper portion of the pipe is sup
ported in vertical position within a ring member
35 connected to the upper frame members ll],
said ring member also forming a raceway for a
set of ball bearings 36 to facilitate rotation of the 45
feed pipe. To the upper end of the feed pipe is
telescopically fitted a funnel or hopper 31 se
cured in position by set screws 38.
The frame members Ill extend radially from
the ring member 35 and are provided with hinge
members 39 from which arms 4|] are suspended,
the lower ends of said arms having skimmers 4|
attached thereto by a pin and slot connection 42
to permit vertical adjustment of said skimmers.
The lower edge of the skimmers are positioned 55
2
2,127,418
in cooperating relation with the upper surface
the carrier, a feed pipe having its lower end po
of the plate 25 for a purpose as will presently be
explained. The outer ends of the skimmers over
sitioned in the vessel and extending upwardly in
spaced relation from the wall of the discharge
pipe, legs on the lower end of the pipe support
ing the same on said bottom and maintaining the
lower end of the pipe in concentrically spaced
lie the trough 21 and are provided with depend—
ing spaced apart agitator pins 43 which enter the
trough to agitate the pulp therein.
In the operation of the device the Vessel or
bowl I8 is supplied with a quantity of quick silver
or mercury and the ore is fed into the funnel or
10 hopper 3‘! and mixed with the mercury where
the precious metal is extracted. By reason of the
rotation of the carrier I 3 and vessel l8 the pulp
is forced upwardly between the pipe 22 and pipe
relation in said neck, and a horizontal rotatable
plate secured to said discharge pipe below its
upper edge and arranged for receiving pulp dis
charged from the vessel.
10
3. In an amalgamator, a rotatable carrier, a
It is believed the details of construction and op
eration of the apparatus will be readily under
vessel adapted to contain mercury and having
a discharge upstanding neck, an upstanding dis
charge pipe adjustably mounted on the neck, a
removable bottom for the vessel, means support 15
ing the vesselv in a suspended position from the
carrier, a feed pipe having its lower end posi
tioned in the vessel and extending upwardly in
spaced relation from the wall of the discharge
pipe, legs on the lower end of the pipe support 20
ing the same on said bottom and maintaining the
lower end of the pipe in concentrically spaced
relation in said neck, and a horizontal rotatable
plate secured to said discharge pipe below its up
per edge and arranged for receiving pulp dis
25
charged from the vessel, a trough at the outer
edge of the plate having a relatively low outer
wall, and a launder positioned outwardly of the
stood from the foregoing without further detail
trough for receiving the pulp therefrom.
34 where it is discharged over the upper edge
15 of the last-named pipe onto the silver-plated cop
per plate 25. The Skimmers 4| cause the dis—
charged pulp to come into close contact with the
surface of the plate to cause the adherence there
to of any particles of precious laden mercury
whichmight be discharged with the pulp. The
pulp is then discharged into the trough or laun
der 28 and discharged from the machine through
the chute 3|. The ore which amalgamates with
the mercury may be removed by removing the
bottom 20 of the vessel and the supply of mer
cury replenished.
explanation.
"
,
Having just described the invention what I
claim. is:
1. In an amalgamator, a rotatable carrier, a
vessel adapted to contain mercury and having a
discharge upstanding neck, a removable bottom
vfor the vessel, means supporting the vessel in
a suspended position from the carrier, a feed
pipe leading to the vessel legs on the lower end
of the pipe supporting the same on said bottom
-and maintaining the lower end of the pipe in
concentrically spaced relation in said neck, and a
horizontal rotatable plate arranged for receiving
pulp discharged from the vessel.
2. In an amalgamator, a rotatable carrier, a
vessel adapted to contain mercury and having a
discharge upstanding neck, an upstanding dis
charge pipe adjustably mounted on the neck, a
4. In an amalgamator, a rotatable carrier, a
vessel adapted to contain mercury and having a
discharge upstanding neck, an upstanding dis
charge pipe adjustably mounted on the neck, a
removable bottom for the vessel, means support
ing the vessel in suspended position from the
carrier, a feed pipe having its lower end posi
tioned in the vessel and extending upwardly in
spaced relation from the wall of the discharge
pipe and a horizontal rotatable plate secured to
said discharge pipe below its upper edge and ar
ranged for receiving pulp discharged from the
vessel, a trough carried by the plate and extend
ing around its outer edge said trough having a
relatively low outer wall, a stationary skimmer
adjustably mounted in vertically spaced relation
with respect to the plate and agitators carried by 45
the skimmer and positioned in the trough.
removable bottom for the vessel, means sup
porting the vessel in a suspended position from
30.
JOHN D. NILES.
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