Improvements in Cotton Gins.
Year: 1888

page_text: Improvements in Cotton Gins.
I HERBERT RUFUS GREAVES of 4 John Dalton Street Manchester in the County
of. Tancaster, Merchant do hereby declare the nature of this invention to be as
follows:-
This invention relates to what is known as the "Macarthy" cotton gin, and consists
of improved construction, combination and arrangement of parts designed to auto-
matically facilitate the clearance of the cotton seed from the neighbourhood of the
"leather roller, and fixed knife, thereby to enable more seed cotton to be presented
to the action of the leather roller and so effect the increased production of clean
cotton from the gin.
According to this my said invention instead of the seed grids being fixed or
stationary, I attach the said grids to the radius rod of the back moving knife thereby
obtaining for the grid a motion which thoroughly agitates and shakes up the seed
cotton. In conjunction the back moving knife and connected therewith are by
brackets two additional blades at an angle, and spaced from each other so as to
allow the seed to get away from the blades freely, the latter are supported at intervals
of their length by means of brackets.
The spaces between the different blades serve to allow the cotton seed to drop
below thus permitting more cotton lint to be subjected to the action of the leather
roller.
Extending from the radius rod are brackets which carry grids above which is the
feeder grid which is attached to the end of the arm of the self feeder crank, the
latter grid works on a cross supporting rod or roller and receives from the self feed
crank a reciprocating, swaying, motion.
Attached to the top board of the gin is an inclined grid and opposite the latter is
another grid carried by brackets and capable of being readily removed for purpose of
inspecting the interior of the gin.

page_text: The employment of the additional knives, the moving, agitating and conductor or
guide grids prevent the "choking" and render unecessary the stirring of the seed
cotton by the attendant as heretofore and the improvements herein described may
readily be applied to existing machines.
WALTER BRIERLEY,
Town Hall Buildings, Halifax,
Agent for the Applicant.
Improvements in Cotton Gins.
I HERBERT RUFUS GREAVES of 4 John Dalton Street, Manchester in the County
of Lancaster, Merchant, do hereby declare the nature of this invention and in
what manner the same is to be performed, to be particularly described and ascer-
tained in and by the following statement :--
This invention relates to what is known as the "Macarthy" cotton gin, and consists
of improved construction, combination and arrangement of parts designed to auto-
matically facilitate the clearance of the cotton seed from the neighbourhood of the
"leather roller," and fixed knife, thereby to enable more seed cotton to be presented
to the action of the leather roller and so effect the increased production of clean
cotton from the gin.
According to this my said invention instead of the seed grids being fixed or
stationary, attach the said grids to the radius rod of the back moving knife thereby
obtaining for the grid a motion which thoroughly agitates and shakes up the seed
cotton. In conjunction with the back moving knife, and connected therewith are by
brackets two additional blades at an angle, and spaced from each other so as to allow
the seed to get away from the blades freely, the latter are supported at intervals of
their length by means of brackets.
The spaces between the different blades serve to allow the cotton seed to drop
below thus permitting more cotton lint to be subjected to the action of the leather
roller.
Extending from the radius rod are brackets which carry grids above which is the
feeder grid which is attached to the end of the arm of the self feeder crank, the
latter grid works on a cross supporting rod or roller and receives from the self feed
crank a reciprocating swaying motion.
Attached to the top board of the gin is an inclined grid and opposite the latter is
another grid carried by brackets and capable of being readily removed for purpose of
inspecting the interior of the gin.

page_text: The employment of the additional knives the moving, agitating and conductor or
guide grids prevent the "choking" and render unecessary the stirring of the seed
cotton by the attendant as heretofore and the improvements herein described may
readily be applied to existing machines.
Such being the nature and object of this my said invention, the following is a
complete description of same reference being had to the accompanying drawings:
Fig. 1. is a vertical section of part of a gin with my improvements illustrated.
Fig. 2 is a plan of fig. 1.
Instead of having the sced grid 1 stationary I faston it to the radius rod 2 of the
back moving knife 3. This causes the seed cotton to bo well agitated.
I put two blades 4 and 5 about parallel to the back moving blade 3 and these are
carried along with the back moving blade 3 by means of brackets 6. These brackets 6
are distributed along the length of knife and the spaces between the different blades
serve to allow the cotton seed to drop down below, thus permitting more cotton lint
to be subjected to the action of the leather roller 8.
To further facilitate the removal of seeds from which the lint has already been
detached, I fix grids as shown at 9-10-11.
The grid 9 is so arranged that it may readily be withdrawn from its supporting
bracket 9 to enable gin to be examined.
The alteration in fixing the seed grids 1 on the radius rods 2 of the back moving
knife 3, makes it necessary to carry the self feeder of the ordinary gin in a different
way and I accomplish this by placing a supporting rod or roller of iron 12 across the
gin and on this the self feeder works with a peculiar swaying motion through the
action of the crank 10*.
The fixed knife 13 the front moving knife 14 I have not altered as there is no
necessity to do so.
Having now particularly described and ascertained the nature of this my said
Invention, and in what manner the same is to be performed I declare that what
I claim is:-
1. The general construction, combination and arrangement of parts referred to and
illustrated by Fig. 1 of the annexed drawings.
2. The parts 1-10-4-5 and 3 combined, operated and operating in manner and
for purpose herein fully described.
Dated thi ca
T
1000
HERBERT RÚFUS GREAVES.
By his Agent, Walter Brierley,
Town Hall Buildings, Halifax.