Date: April 6, 1875
Creator: Knowles, William W.
Description: Patent for "cotton-presses of the upright kind; and the nature thereof consists in combining, with a pulley-wheel keyed upon the shaft of a gear-wheel actuating the follower-screw, and a larger pulley-wheel keyed upon the shaft of a gear-wheel actuating a cog-wheel upon the end of an actuating-shaft, having its bearings at one end in the press-frame, and at the other in a vibrating lever, whereby the said friction-pulley can be brought to bear against the larger pulley, for the purpose of running up the follower, or against the small pulley for the purpose of running it down, by drawing the said level inward or outward." (Lines 15-30) Includes instructions and illustrations.
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