Pneumatic Cotton-Handling Machine. Page: 4 of 6
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UNITED
PATENT OFFICE.
JAMES T. FULLER, OF CALVERT, TEXAS.
PNEUMATIC COTTON-HANDLING MACHINE.
SPECIFICATION forming part of Letters Patent No. 604,037, dated May 17, 1898.
Application filed February 25,1897, Serial No, 625,040. (No model.)To all whom, it imay concern,:
Beit known that I, JAMES T. FULLER, a citi-
zen of the United States, residing at Calvert,
in the county of Robertson and State of Texas,
5 have invented certain new and useful Im-
provements in Pneumatic Cotton-Handling
Machines, of which the following is a specifi-
cation, reference being had therein to the ac-
companying drawings.
ro This invention relates to certain new and
useful improvements in machines for the
pneumatic handling of cotton, whereby it is
elevated, cleaned, distributed, and fed di-
rectly to the gins. The peculiarities of this
15 construction will be hereinafter fully de-
scribed and claimed.
In the accompanying drawings, on which
like reference-letters indicate corresponding
parts, Figure 1 represents a set of gins with
20 my improved system applied thereto; Fig. 2,
an elevation of one of my pneumatic feeders;
Fig. 3, a detail view of my rotatable screen-
cylinder detached; Fig. 4, a transverse sec-
tional view of my pneumatic feeder; Fig. 5,
25 a partial sectional view of the same on the
line X X, Fig. 4.
Referring to Fig. 1, the letters A A A rep-
resent any approved type of gins to which
cotton is to be fed. Upon the top of each gin
30 is a feeder B, connected at the centers or oth-
erwise with a pipe C, at one end of which is
located the exhaust-fan D, operated by suit-
able machinery. Within the feeders B is a
cylindrical pipe C', supported by the ends B',
35 Fig. 5, and matching with the connecting-
pipes C to form a continuous dust-pipe. A
cap E on the last feeder closes the end of the
pipe. Thus an air-chamber is formed, from
which the air is more or less exhausted by the
40 fan D. An opening F in the cylinder C' pro-
vides an inlet for the dust-laden air from the
hood-top G of the feeder, connected by the
pipes H and II', leading to the intake for the
cotton in the wagon, warehouse, or elsewhere.
45 A cap I closes the open end of the cotton-sup-
ply pipe opposite the intake. Within each
feeder and surrounding the section C' of the
dust-pipe is located a cylindrical screen J, of
perforated metal, wire, or other suitable ma-
5o terial, having at its ends bearing-rings K, by
which it is rotatably mounted upon rollers L,
which are adjustably carried by a spider M,which surrounds the dust-pipe. A flange on
the hub of the spider conveniently forms a
sleeve for the connecting-pipes C between the 55
feeders. The collar K also has ratchet-teeth
k, which are engaged by the pawl N, mounted
eccentrically on the shaft 0, supported by the
feeder-f rame, and rotated by a pulley P,belted
to the gin-shaft Q or otherwise. Other means 6o
for rotating the screen-cylinder may be em-
ployed.
The sides of the opening F have air-stops
R R, provided with packing-strips S bearing
against the interior of the screen-cylinder in 65
opposite directions, as shown in Fig. 4. Each
end of the opening F is likewise protected by
an air-stop and packing-strip R' S', Fig. 5.
An exterior air-stop strip T is mounted oppo-
site the packing-strip on one side of the open- 70
ing F, while a flexible valve U closes the op-
posite side of the chamber formed in the top
of the feeder. The valve U is preferably se-
cured at one edge of the hood-top of the feeder
and contacts with the exterior of the screen- 75
cylinder at its lower edge, but opens freely
outward for the passage of the cotton-bat as
the cylinder rotates and delivers it into the
breast of the gin below. An interior air-stop
and packing-strip W V is mounted on the 8o
pipe opposite the lower edge of the valve U
and acts therewith to prevent the entrance of
air from outside. Between the stop W and
the adjacent stop R one or more small open-
ings f are formed in the pipe C'. The loose 85
cotton, drawn through the intake-pipe by the
air-currents, will be carried along the pipes H
and II', forming a supply-pipe with the hoods
of the feeders, and will be drawn down upon
the rotating screen-cylinders and carried on- 90
ward in a continuous bat out of the respective
valves U. The cotton will follow strongest
air-currents, and thus leave no exposed por-
tion of the screen uncovered, while the dust-
laden air will be carried downward through 95
the screen into the dust-chamber pipe. To
facilitate the formation of an even layer of
cotton and to prevent clogging, I provide a
leveler in the top of the feeder, consisting of
a rotatable axle a with blades b, turning ico
against the travel of the bat upon the screen-
cylinder. The leveler is driven by pulley and
belt from the shaft 0 or otherwise, and is
preferably located so as to act on the bat of
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Fuller, James T. Pneumatic Cotton-Handling Machine., patent, May 17, 1898; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth511936/m1/4/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.