Sack Attachment for Cotton Picking Machines Page: 4 of 5
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1,321,715
This bolt is of such a character, and its at-
tachment to the ears 27 and 28 is such
that it may be readily withdrawn at any
time to permit removal of the band 25.
5 A suitable number of stays 30, stamped or
otherwise produced preferably from the
same integral piece of metal from which the
band 25 is made, extend down at right
angles from said band 25 and on the interior
10 of the sack 24; such stays acting to hold the
bag 24 distended and preventing its collapse
which would otherwise result from the in-
fluence of the suction. As shown at 32 in
Fig. 3, these stays 30 are bent or offset ad-
15 jacent the band 25 in order to pass about
the flange 23 at the open bottom of the re-
ceiver 16.
The flexible sack 24 may be held on the re-
ceiver 16 in any suitable manner, but I pref-
20 erably provide the means shown in the
drawing in order to facilitate attachment
and. detachment thereof. This means. in-
volves first applying a coating of glue 33, or
other adherent substance, about a suitable
25 area on the exterior of the receiver 16 above
the band 25, and in thereafter winding a
strip of cotton cloth 34 an appropriate num-
ber of times about such glued area in order
to form a yielding support for the mouth
30 of the sack 24. The mouth of the sack 24
is brought up about the stays 30, band 25,
and lower part of the receiver 16 until it
arrives at a position about the yielding sup-
port afforded by the cotton cloth; and it is
35 tightly held to such support, forming an air
excluding joint therewith by the device
shown more particularly in Fig. 5.
In Fig. 5 a band 35 is shown provided
with a series of hooks 36 and with a per-
40 forated tongue 37 also. formed with a hook
38. A coupling piece 39 is bifurcated to
receive the tongue 37, and a bolt 40 is adapt-
ed to connect these parts. At 41 I have
shown a hook on the end of the - coupling
45 piece 39. The band 35 is shown curved to
conform to the curvature of the receptacle
16, and is fitted on the outside of the sack
mouth in substantially the manner shown in
Fig. 1, where it is held by a wire loop 42
50 having one end engaged with the hook 41
and its other end attached to one of the
hooks 36. By employing a plurality of such
hooks 36 the device is adjustable to fit sacks
made of either light or heavy goods or to
55 be used in connection with receivers of dif-
ferent diameters. The object is to draw the
band 35 and wire loop 42 tightly about the
sack mouth so that these parts will embed
themselves to some degree in the yielding
60 support and will effectually exclude air.
The operation of my present invention is
substantially as follows:
The vehicle 1 is propelled along .either
by draft animals or self-contained power
65 through the cotton field; while the cottonpickers walk with the picking tubes 20, 21
and 22 and apply them to the cotton bolls.
When thus applied the cotton is placed
under the influence of the suction created by
the device 5, and is drawn from the plant 70
through the picking tube to the pipe 18,
which enters through the receiver 16. The
suction also draws the cotton through this
pipe 18 and discharges it to the bell-shaped
or flaring mouth 19, whereupon it will fall 75
into the flexible sack 24 which forms, in
effect, a trap in the suction circuit. The in-
rushing air which accompanies the cotton
and draws it into the sack 24 being lighter
than the cotton will, under the influence of 80
the suction, pass to the upper part of the
receiver 16 and into the pipe 15 to the eye
of the fan 5, after circulating through
which it will be ejected into the atmosphere
again through the discharge pipe 14. 85
The action of the suction fan 5 constantly
tends to create a partial vacuum in the re-
ceiver 16 and sack 24, such as would col-
lapse the walls of the sack and prevent it
from receiving the incoming cotton, were it 0o
not for the provision of the stays 30 which
pass down on the interior of such sack and
constitute a rigid means for holding the
walls distended against the atmospheric
pressure. 95
When the sack 24 is filled to capacity with
the cotton, it may be removed by disengag-
ing therefrom its supporting device. The
bag mouth can then be tied, and the bag
forms a convenient means for transporting 100
the cotton to the gin, or other desired desti-
nation; or, after the bag has become filled,
the picking tubes 20, 21 and 22 may be
closed from communication to the atmos-
phere by valves which they ordinarily carry 105
and the valve 17 in the pipe 15 may, if de-
sirable, be opened wider, so that the suc-
tion will be centered on the contents of the
sack 24 and will operate to draw the cotton
therefrom up through the receiver 16, pipe 110
15, to the fan 5 and thence through the
pipe 14 to the cotton receiving space 3 in
the wagon body 1. Of course the wagon
body 1 is of a capacity several times greater
than that of the sack 24, and therefore dis- 115
charging its contents into the wagon box 1
may be repeated many times before the
wagon must be unloaded.
It is obvious that those skilled in the art
may vary the details of construction and 120
arrangements of parts without departing
from the spirit of my invention, and there-
fore I do not wish to be limited to such fea-
tures except as may be required by the
claims. 125
I claim:
1. The combination of a suction circuit
including a receiver, of a flexible non-porous
bag forming a trap in said circuit, means
for securing the mouth of the bag about the 1302
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Chaney, Bailey E. Sack Attachment for Cotton Picking Machines, patent, November 11, 1919; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth1256647/m1/4/?rotate=270: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.