Pneumatic Cotton-Handling Machine. Page: 5 of 6
[3], 6 p. : ill. ; 23 cm.View a full description of this patent.
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604,037
cotton opposite the middle stop R and throw
backward any surplus thickness. The blade
b is preferably flexible-such as rubber, can-
vas, belting, or other suitable material. As
5 the bat passes onward from the opening F,
opposite the smaller opening f, the suction is
reduced, while still sufficiently maintained to
hold the bat upon the cylinder until it passes
the valve U and corresponding strip V, when
1o it is released from the suction of the fan and
readily discharges from the screen. The
guide-board c carries a stiff brush d, that
contacts with the outside of the screen-cyl-
inder to arrest clinging particles of cotton
z5 and clean the screen. A leveler acts upon
the layer of cotton just at the point where
the heavy suction ceases and the lighter suc-
tion begins, thus readily removing the sur-
plus cotton and delivering an even, smooth
ao bat to the gin-breast.
When the gin is to be stopped, the driving
mechanism of the feeder is disengaged by
throwing out ratchet-pawl N or otherwise
stopping the screen-cylinder, whereupon a
25 mat of cotton is formed opposite the air-inlet
F, and as the cylinder does not now revolve
the supply-pipe will carry the cotton past this
feeder and distribute it among the other feed-
ers. The amount of feed is controlled by the
30 speed of the screen.
I prefer to use a perforated metal screen
for the cylinder J to effect tight joints at the
packing-strips. I do not confine myself to
this particular kind of screen, however, and
35 in Fig. 3 have shown both wire and perfo-
rated metal.
It will be observed that the portion of the
hood opposite the large inlet-opening to the
dust-cylinder forms practically a continua-
40 tion of the connecting supply-pipe sections
between the hoods. In other words, the hood
forms a portion of the supply-pipe, open at
the bottom and practically on a level with
'the screen, which latter thus forms a tempo-
45 rary bottom or guide to the currents of air
carrying the loose cotton along as it is dis-
tributed to the several feeders.
While it is desirable that the leveling de-
vice should be used, yet it may be dispensed
50 with and the hood more or less reduced in
size. One or more inlet-openings and any
suitable packing may be employed.
It will be observed by referring to Fig. 4
that a portion only of the rotating screen is
55 subject to the exhaust-fan-viz., the upper
portion, opposite the openings into the dust-
chamber, which are covered by the hood of
the casing. I may inclose more or less of the
circumference of the screen by increasing or
6o diminishing the protecting hood or casing, as
circumstances may require. It is preferred,
however, to construct the machine in the
relative proportions substantially as shown
and herein described. Thus the imperforate
65 portion of the inner dust-chamber cylinder
forms a bottom for the hood or matching
outer portion of the casing, and the packingon the inside and the outside of the rotating
screen makes the contents of the dust-cham-
ber and the hood and the connecting supply- 70
pipes all subject to the suction of the exhaust-
fan, as hereinbefore described.
Having thus fully described my invention,
what I claim as new, and desire to secure by
Letters Patent, is- 75
1. A bank of gin-feeders, each feeder com-
prising end plates and a pipe-like hood open
at the side thereof toward the center of the
feeder, an air-tight dust-pipe open at the side
thereof opposite to the said hood-opening, a Fo
revoluble perforated cylinder surrounding
said dust-pipe, and forming the bottom of
said hood substantially in line with the bot-
tom of the connecting-pipes between adjacent
hoods, means to rotate said perforated cylin- 85
der, opposing packing-flaps placed against
said perforated cylinder for the hood and the
dust-pipe, and sets of pipe connections for the
hoods and dust-pipe, whereby a continuous
supply-pipe with lateral openings opposite the 90
feeders is formed, in combination with an ex-
haust-fan communicating with said dust-pipe,
an intake-pipe communicating with the hood-
sections, and adapted to supply the cotton to
said feeders under the suction produced by 95
said fan.
2. A bank of gin-feeders located in an axial
line, each comprising end plates B', pipe-hood
G, a central dust-pipe C supported by said
ends and open laterally at F toward said hood, ioo
a perforated cylinder J rotatably mounted
and surrounding said dust-pipe, packing for
the joints at said lateral openings in the hood
and dust-pipe respectively against said per-
forated cylinder, means to rotate said cylin- 105
der, pipe-sections C and H for connecting the
dust-pipes and pipe-hoods respectively, an in-
take connection for one end of said pipe-hood,
a cap for the other end of the line of hoods,
an exhaust-fan for one end of said dust-pipe, 110
and a cap for the other end of the line of dust-
pipes and connections.
3. A gin-feeder comprising end plates B',
offset substantially as shown, and a pipe-hood
G with an opening below, a dust-pipe passing 115
through said plates, spider and ring supports
for said dust-pipe, a perforated cylinder J
having a ratchet on one end and mounted to
rotate around said dust-pipe in said offset end
plates, a push-pawl engaging said ratchet at 120
one end, and an eccentric connection at the
other end of the pawl.
4. A pneumatic gin-feeder comprising a
central dust-chamber having a large and a
small inlet-opening at the side, a screen-cyl- 125
inder encircling said dust-chamber, packing-
strips around said openings filling the inter-
posed space between said chamber and screen-
cylinder, a hood above said packed openings,
matching packing-strips between said hood 130
and screen-cylinder, means to allow the exit
of the cotton-bat, a rotatable leveler in said
hood adapted to act on the bat as it passes
away from said large opening, and exhaust
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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/m1/5/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.