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US 4,214,346 AGranted
Brush stick
AssigneeGeorge K. McDonald
InventorGeorge K. McDonald
Life of this patent
Estimating the term…
Abstract
A brush stick for cotton gins is made of a expanded, rigid thermoplastic having closed cells on the interior and a dense, non-cellular skin. The stick is mounted on a cylinder and is used to doff cotton from a saw cylinder.
Claims5
In cotton processing equipment having
- a. a first cylinder with cotton on the surface thereof, and
- b. a doffing cylinder adjacent the first cylinder;
- an improved elongated brush on the doffing cylinder comprising:
- c. a stick made of expanded rigid thermoplastic having closed cells on the interior and a dense non-cellular skin,
- d. the stick having a rectangular cross section of a width and height, and
- e. a length several times the height, and
- f. a series of holes in the width side along the length, and
- g. natural bristles in the holes.
5 more elements
Dependencies are inferred from the claim text.