Grain-Separator. Page: 4 of 5
[2], 3 p. : ill. ; 23 cm.View a full description of this patent.
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591,001
ing of the beaters it is .to be noted that the
first or lowermost beater 11 of each set has
the slowest rotation, while the last or upper-
most beater of each set has the fastest rota-
5 tion, and it will therefore be obvious that
each successive beater of each set has a faster
rotation than the beater immediately preced-
ing the same, whereby the proper agitation
of the straw is secured. A certain amount
to of the grain fed to ti he threshing-cylinder 2 is
thrown thereby toward the top of the casing,
but in order to insure the delivery of all of
the grain onto the lowermost beater 11 of the
first set A a primary winged beater 16 is
15 mounted for rotation within the top part of
the casing in rear and above the plane of the
threshing-cylinder 2, and at one side of the
primary beater 16 is located a depending
deflecting-board 17, extending transversely
20 across the casing and disposed in substan-
tially a line above said lowermost beater 11
of the first set A, in order that the beater 16
in its rotation will not throw any grain to-
ward the rear of the machine, but will beat
25 the same downward directly onto the beater
11 referred to. To secure practically the
same result with respect to the uppermost
beater 13 of each set, inclined deflecting-
boards 18 are arranged transversely within
30 the casing and depend from the top thereof
beyond and at one side of said uppermost
beater 13 to provide means for deflecting the
straw downward from the uppermost beater
13 of one set and directly onto the lowermost
35 beater 11 of t he next suecceedingset of beaters.
By reason of the arrangement in sets of the
beaters and the progressive speeding thereof
it will be obvious that the straw will be car-
ried out of the machine so fast that it will be
40 almost impossible for the loose grain to re-
main therein, and at the same time the sev-
eral beaters in each set will exert a tearing
or pulling action on the straw, so as to thor-
oughly spread and loosen the same, thus al-
45 lowing the loose grain to readily fall out of
and separate from the straw, while at the same
time positively preventing the straw from ac-
cumulating in bunches at any one point within
the machine. The loose grain which is thus
50 separated from the straw falls directly onto
an imperforate grain-floor 19, which is ar-
ranged horizontally within the casing and ex-
tends from a point below the cylinder-con-
cave 3 to a point short of the extreme rear
55 end of the casing and disposed above one end
of the ordinary cleaning-shoe 20, which is
supported within the rear lower portion of
the casing and is vibrated in any suitable
well-known manner. The grain which falls
6o onto the imperforate floor 19 is carried thereon
up to the chute 20 by means of an endless
slatted grain-belt 21, the slats of which travel
on top of the grain-floor and positively de-
liver all of the loose grain which falls thereon
65 directly into the cleaning-shoe 20, wherein
the grain is subjected to the usual cleaning
action, Fig. 2 of the drawings simply illus-train the relative arrangement of the clean-
ing-shoe with respect to the other portions of
the machine forming a part of this invention. 70
In order to prevent the straw from falling
onto the grain-floor or into the shoe, screens
22 are secured in a fixed inclined position be-
tween the directly-adjacent beaters of each
set, and also between the lowermost beater 75
of the first set and the cylinder-concave 3.
The stationary screens 22 preferably com-
prise a series of parallel screen bars or fin-
gers 24, suitably supported in position so as
to extend in a series entirely across the ma- 8o
chine-casing and arranged sufficiently close
together to allow the loose grain to readily fall
onto the grain-floor, while at the same time
preventing any straw from falling through the
screens. 85
By reason of the length of the grain-floor
19 and the disposition of the shoes 20 rela-
tive thereto the last or rearmost inclined set
of beaters A2 is disposed above said shoe and
above an inclined fall-board 25. The in- 90
clined fall-board 25 declines from t-he rear dis-
charge-spout 10 of the casing and is disposed
directly below the rearmost series or set of
beaters in order to catch any loose grain sep-
arated from the straw by said beaters, and 95
discharges such grain directly into the shoe
20, it being noted that the inner lower end of
the fall-board 25 is disposed directly above
said shoe. The cleaned grain is discharged
from the shoe in the ordinary manner; but roc
the tailings or heads of grain not threshed
and which pass over the tpper screen or rid-
die of the shoe are delivered by such shoe
into the tailings-trough 26; arranged trans-
versely at the rear end of the machine-cas- 105
ing. The tailings-trough 26 has arranged
therein a screw conveyer 27, and one end of
said trough communicates with and opens
into the side inlet-opening 28 in one side of
the circular fan-casing 29, supported at one IIc
side of the machine-casing. The fan-casing
29 has mounted therein a suitable rotary fan
30, which discharges its blast through the ele-
vator-spout 31. The elevator-spout 31 is suit-
ably connected at one end with the fan-cas- 11
ing 29 and, extending the entire length of the
machine-casing on the outside thereof, has
its end opposite the fan fitted in one side of
the cylinder-cap 5, so as to communicate with
one end of the blast-spout 8 within said cyl- I2c
inder-cap.
By reason of the construction just described
the unthreshed heads of grain or tailings are
elevated by a blast of wind through the spout
31 and are discharged into the vertically-dis- i2,
posed blast-spout 8 of the cylinder-cap 5.
The said heads of grain or tailings are deliv-
ered through the discharge-mouth 9 of spout
8 to the cylinder 2, so as to be rethreshed,
and the inclination of the outer side 6 of the 13(
cap 5 serves to deflect the tailings almost di-
rectly between the cylinder and its concave.
Furthermore, the inclination of the said outer
side of the spout 8 provides for a distribution
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McCue, John Marshall. Grain-Separator., patent, October 5, 1897; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth174750/m1/4/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.