Cotton-Cleaning Machine. Page: 6 of 8
[4], 4 p. : ill. ; 23 cm.View a full description of this patent.
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1,179,291
partition 26 which likewise has an opening
alining with the opening 23 but of greater
size. It will be seen by reference to the
drawings, that this partition 26 is spaced a
5 considerable distance in rear of the door 5,
and that immediately in advance of this
partition, a transverse discharge slot 27 is
provided in the bottom of the casing. It
will be further seen that a second slot 28 is
10 provided at the rear end of the casing, this
slot being formed by the provision of a
transverse bar 29 whose opposite ends are
secured to the side walls 2.
Secured at its rear end to the bar 29, is
15 a screen wire bottom 30 which extends for-
wardly therefrom in a horizontal plane,
passes through and is secured to the lower
wall of the opening 23, and then continues
still further forwardly and is secured to
20 the lower horizontal wall of the opening in
the partition 26. The portion of the screen
between. the partitions 22 and 26, is bulged
downwardly as seen at 31 and is of coarser
mesh than the remainder of the screen.
25 As illustrated more particularly in Figs.
3 and 5, the portion 31 of the screen 30 con-
stitutes the bottom of the cleaning recepta-
cle 25 while this receptacle is provided with
a reticulate top 32 and with a pair of simi-
30 larly constructed reticulate side walls 33
which are spaced from the adjacent por-
tions of the side walls 2. These walls 33 are
spaced inwardly, in order to allow a plu-
rality. of heating and drying pipes 34 to be
35 interposed between the side walls 2 and said
side walls 33, whereby cotton passing
through the cleaning receptacle may be
heated and dried, but may not clog upon the
pipes. The pipes 34 are connected, through
40 any appropriate connections, with the upper
and lower ends of a steam drum 35 to which
steam is supplied through a valved pipe 36,
this drum being located directly beneath the
rear end of the screen 30 and also serving to
45 produce a drying effect upon the cotton
passing through the machine.
Spaced beneath the bottom 31 of the
cleaning compartment 25 is a hopper 37
whose lower end is closed by a removable
50 pan 38. whereby any dirt, sand or gravel
which may pass through said bottom 31, is
trapped in the pan 38, which latter may be
removed from tiie to time to discharge
these deposits.
55 Mounted upon a transverse shaft 39
which extends across the receiving com-
partment 24 and which is located directly
beneath the chute 10, is a cotton feeding
wheel 40 which is composed of a plurality
GO of spokes constructed and arranged in any
appropriate 'manner. This shaft projects
through one of the walls 2 and is provided
with two pulleys 41 and 42, the former
being driven by a belt 43 while the latter
65 drives the fan 15 through the instrumen-tality of a belt 44 which may, if desired, be
equipped with a belt tightener 45 as indi-
cated in Fig. 1. The belt 43 extends for-
wardly from the pulley 41 and passes
around a pulley 46 on one end of a trans- 70
verse shaft 47 which extends through both
side walls 2 and carries a cotton discharg-
ing wheel 48 directly in advance of the par-
tition 26, this wheel being constructed simi-
larly to the wheel 40 before described. The 75
other end of the shaft 47 is provided with a
drive pulley 49 over which a driven belt 50
passes, whereby rotary motion may be im-
parted to the parts so far described as well
as to those now to be described. so
Extending transversely through the
cleaning compartment 25 and disposed i
vertically spaced relation, is a pair of
shafts 51 which carry brushes 52, the latter
being located within the cleaning receptae.le 85
and rotating either in contact with the top
and bottom of said compartment, or a slight
distance from these members as shown. The
uppermost of these shafts 51 is driven by
a belt 53 from one end of the shaft 47, while 90
the lower shaft 51 is driven by a belt 54
which passes around pulleys on both of
said shafts 51 as most clearly seen in Fig. 2.
In addition to the above described fea-
tures with which the cleaning compartment 95
is equipped, a dust hood 55 having a suit-
able discharge pipe 56 in which suction may
be created, is provided directly above the
top 32 of said compartment, whereby all
dust which rises through said top may be 100
conveyed from the machine.
For the purpose of controlling the suction
through the pipe 11 and for preventing this
suction from being created upwardly
through the chute 10, the upper end portion 10
of said chute is provided with a pair of
flexible valve sheets 57 which are secured
at their upper edges to the side walls of
said chute, while their ends are secured to
the end walls thereof at their upper edges, 110
the upright edges of the two sheets 57 meet-
ing as seen at 58 at said end walls, and being
secured by suitable fasteners 59 thereto,
throughout their height. By this structure,
only the lower portions of the flexible sheets 115
57 are allowed to move upwardly to any ex-
tent, whatsoever. This is important, since
the moment the fan 15 is rotated and suction
is produced in the pipe 11, air will be drawn
inwardly through a pair of slots 60 in the 120
chute 10 and thence upwardly in said chute.
This upward draft of air in the chute 10,
now causes the lower side edges of the valve
sheets 57 to travel upwardly and to overlap
as seen at 61 in Fig. 8, thereby causing all 125
suction to be created directly through the
pipes 11 and 13. The latter pipe may now
be positioned in a load of cotton hauled to
the machine from the field, thereby sucking
said cotton from the wagon through the pipe 130$2
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Davison, Israel D. Cotton-Cleaning Machine., patent, April 11, 1916; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth858767/m1/6/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.