US895730A - Sawless cotton-gin. - Google Patents

Sawless cotton-gin. Download PDF

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Publication number
US895730A
US895730A US39574607A US1907395746A US895730A US 895730 A US895730 A US 895730A US 39574607 A US39574607 A US 39574607A US 1907395746 A US1907395746 A US 1907395746A US 895730 A US895730 A US 895730A
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gin
cotton
rods
sawless
floor
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US39574607A
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Louis David
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
    • D01B1/00—Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
    • D01B1/02—Separating vegetable fibres from seeds, e.g. cotton
    • D01B1/04—Ginning
    • D01B1/06—Roller gins, e.g. Macarthy type

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  • Witnmzo UNITED STATES PATENT OFFICE Witnmzo UNITED STATES PATENT OFFICE.
  • the present invention is an improvementupon the cotton-gin patented to me February It), 1907, No. 844,442, in which a horizontal floor composed of a pluralitvof pairs of small rods having their peripheries in contactin combination with mechanism for rotating adjacent pairs of the rods or shaft-s alter natcly in opposite directions, whereby each rod will' first coo White with the rod at one side and then with the rod at the other side, and so on.
  • the disadvantage in this arrangement is that when the direction of rotation of the rods is reversed aportion of the lint that has already been drawn off the seed and passed down through the floor is drawn u wardly again into the hopper or ginning c iamber, thusreducing the capacity of the machine.
  • the object of the present invention is to avoid the-return of this ginned Hut and I accomplish this by providing means for rotating the adjacent pairs of rods continuously in opposite directions, the alternate rods being of course thereby rotated continuously in the same direction, whereby there will be a constant. and uninterrupted stream' of lint passing through the floor between the-coacting rods and the returning of the ginned cotton back up through the floor is avoided.
  • ternate rods project beyond the ginnin -fioor proper for the purpose of receiving a ouble row of driving gears at each'side of the floor, but in the present instance I employ wormgears 1) instead of plain cog-gears as in my former apparatus.
  • Meshing with each row or series of worm-gears is a long screw 0 extending the full length of the ginnin floor and having its ends journaled in t e gin frame or casing in any suitable manner, the screws of each pair being respectively right and'lef t screws.
  • each screw is extended and provided with a beveled pinion d and meshing with each pair of these pinions is a beveled wheel 2, carried by a suitable shaft journaled in hearings in the casing and driven in any suitable manner.
  • a ginning means consisting of a plurality of pairs of small rods or shafts arranged close together and in parallelism, each rod being provided with a worm-gear at one end, the wormgears at each side of the gin being arranged in two rows or series, two pairs of worms one at each side of the machine, each worm meshing with one row of worm-gears, and means for continuously and simultaneously rotating the worms of each pair in opposite directions.

Description

PATENTED AUG. 11, 1908.
' L. DAVID.
SAWLESS COTTON GIN.
APPLICATION FILED 0CT.3, 1907.
3M 'mzuto z Claw 06 m ('lrzow u,
Witnmzo UNITED STATES PATENT OFFICE.
SAWLESS COTTON-GIN.
Application tiled- October 3,
To all whom it may concern:
Be it known that l,LoU1s DAVID, a citizen of the United btates of America, and resident of .\Iontgomery, county of Montgomery, State of Alabama, have invented certain new and useful improvements inSawless Cotton- (iins. of which the following is a full and clear specification, reference being bad to the accompairving drawings,-in which- Figure 1 is a plan view of my improved ginning tloor, the casing of the gin being shown in section: and Fig; 2 is a transverse vertical section thereof.
The present invention is an improvementupon the cotton-gin patented to me February It), 1907, No. 844,442, in which a horizontal floor composed of a pluralitvof pairs of small rods having their peripheries in contactin combination with mechanism for rotating adjacent pairs of the rods or shaft-s alter natcly in opposite directions, whereby each rod will' first coo White with the rod at one side and then with the rod at the other side, and so on. The disadvantage in this arrangement is that when the direction of rotation of the rods is reversed aportion of the lint that has already been drawn off the seed and passed down through the floor is drawn u wardly again into the hopper or ginning c iamber, thusreducing the capacity of the machine.
The object of the present invention is to avoid the-return of this ginned Hut and I accomplish this by providing means for rotating the adjacent pairs of rods continuously in opposite directions, the alternate rods being of course thereby rotated continuously in the same direction, whereby there will be a constant. and uninterrupted stream' of lint passing through the floor between the-coacting rods and the returning of the ginned cotton back up through the floor is avoided. Referring to the drawings by reference characters, (1 designates the rods or shafts composing the ginning floor, these rods being journaled in the frame or casing in any suit-. able manner and being arranged in a horizontal series and approximatelyin contact with each other, as in my former patent above referred to. As in my former patent, the al- Specification of Letters Patent.
Patented Aug. 11, 1908.
1907. Serial No. 395,746.
ternate rods project beyond the ginnin -fioor proper for the purpose of receiving a ouble row of driving gears at each'side of the floor, but in the present instance I employ wormgears 1) instead of plain cog-gears as in my former apparatus. Meshing with each row or series of worm-gears is a long screw 0 extending the full length of the ginnin floor and having its ends journaled in t e gin frame or casing in any suitable manner, the screws of each pair being respectively right and'lef t screws.
At one end the shaftof each screw is extended and provided with a beveled pinion d and meshing with each pair of these pinions is a beveled wheel 2, carried by a suitable shaft journaled in hearings in the casing and driven in any suitable manner. With this arrangement of gearing it will be observed that the screws of each air will be driven in opposite directions so tliat when the screws are turned simultaneously the alternate shafts or rods will all he turned continuously in one direction and the intermediate shafts will all be turned continuously in the opposite direction, thus avoiding the objection I have heretofore pointed out in my former patented machine.
Havin thus full what I c aim andd Patent, is: t
In a cotton-gin, a ginning means consisting of a plurality of pairs of small rods or shafts arranged close together and in parallelism, each rod being provided with a worm-gear at one end, the wormgears at each side of the gin being arranged in two rows or series, two pairs of worms one at each side of the machine, each worm meshing with one row of worm-gears, and means for continuously and simultaneously rotating the worms of each pair in opposite directions.
In testimony whereof I hereunto affix my signature in the presence of two witnesses this 26 day of September 1907.
LOUIS DAVID.
described my invention, esn'e to secure by Letters I Witnesses:
DIER Jonas, H. J. SNYDER.
US39574607A 1907-10-03 1907-10-03 Sawless cotton-gin. Expired - Lifetime US895730A (en)

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