Rigid cage cotton gin
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United States of America Patent
Stats
-
Sep 17, 2002
Grant Date -
N/A
app pub date -
May 9, 2001
filing date -
May 9, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rigid cage cotton gin includes a feeder that delivers seed cotton locks to be ginned. A doffing cylinder at the discharge of the feeder casts seed cotton locks into a bonnet housing, with air inlet vents in the bonnet housing deflecting the seed cotton locks onto a revolving rigid cage having a series of sifting bars that are fixedly mounted thereto. The sifting bars are spaced-apart to define a series of slots. The rigid cage is rotated for seed cotton locks to be drawn to the slots between the sifting bars, and the fibers will be drawn through the slots by air currents flowing through the slots. A fiber-engaging cylinder is mounted within the rigid cage, with the outer surface of the fiber-engaging cylinder abutting the interior surfaces of the sifting bars. The sifting bars are contoured to restrain the cotton seed from moving closer than a predetermined distance from the surface of the fiber-engaging cylinder to control the minimum fiber length removed. The outer surface of fiber-engaging cylinder has a very high coefficient of friction against cotton fibers, but a relatively low coefficient of friction against the inside surfaces of the sifting bars for the fiber-engaging cylinder to draw the desired fibers away from the cotton seed.
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