UNT Libraries Government Documents Department - 13 Matching Results

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Description: Patent for a cotton-chopper meant to be the most simply constructed. The hoes are attached to a rotating cylinder in the center of the frame, and the hoes rotating is what chops the cotton.
Date: March 9, 1897
Creator: Hopkins, Benjamin F.

Crank-Pin-Box Connection.

Description: Patent for "improvements in the connections of single-acting pistons of compressor-engines and other engines of like character with one common crank-pin of the main shaft where two or more cylinders and pistons are employed." (Lines 13-18) Includes instructions and illustrations.
Date: May 26, 1896
Creator: Robinson, Charles H.

Disk Plow.

Description: Patent for a revolving disk plow that pulverizes the soil. The plow is especially designed to prepare the soil for cotton and cultivating between rows of crops. It has a tongue, a cross-bar with a sloping edge, spindles set at an angle to the cross-bar, disks mounted on the spindles, a double scraper for the disks, a gage-wheel, and a pivoting and locking lever on the tongue.
Date: January 28, 1896
Creator: Campbell, Singleton

Nut and Bolt Lock.

Description: Patent for "an improved device for fastening a bolt and nut in position, whereby the tendency of the bolt or not to become displaced under jar or strain is obviated." (Lines 7-11) Includes instructions or illustrations.
Date: November 13, 1894
Creator: Rush, George L.


Description: Patent for a new and improved pen holder. This design "relates to improvements in penholders whereby the pen may be automatically discharged or ejected from the holder" (lines 8-11). It consists "of a staff with tenoned end, a portion of which is cut out of its upper surface with a downward bevel to its lower end, a beveled slide adapted to fit and slide upon the beveled cut in the staff, said slide being provided with a slight shoulder upon its upper side and a hole through the same for a screw or pin, a tube longitudinally slotted inclosing said staff and slide" (lines 38-47).
Date: August 23, 1892
Creator: Blalock, William Benjamin & Muir, James Alfred

Piston for Pneumatic Pumps.

Description: Patent for improvements in pistons for pneumatic pumps by using a combination of a tubular shell, a cylindrical valve, a conical aperture and a conical projection to fulfill the conditions required of a piston in pumps. Illustration is included.
Date: March 31, 1891
Creator: Robinson, Charles H.


Description: Patent for "improvements in combined spring-rollers and cabinet for ledger-index sheets," (lines 10-12) with instructions and illustrations.
Date: July 6, 1891
Creator: Nance, John D.

Tool for Tightening Wheel Tires.

Description: Patent for a new and improved tire tightener. This design consists in "[t]he combination of a tubular member having having one end beveled and provided with a transverse hole and provided at its other end with an interiorly-arranged annular shoulder, a set-screw passing through the tubular member and arranged near the shoulder, a nut resting on the tubular member and provided with an extension projecting into the same and bearing on the shoulder and provided with an annular groove receiving the set-screw, and a screw passing through the nut into the tubular member" (lines 28-39).
Date: April 19, 1892
Creator: Hamblen, William Henry

Vertical Steam-Pump.

Description: Patent for improvements in steam-pumps, of which “are adapted to compress a liquefiable gas—such as that of ammonia—to a state of partial liquefaction, the pressure being subsequently removed and the liquefied refrigerating agent expanding through tubes and chambers, and the cooling effect produced by the volatile liquid again assuming its gaseous state is utilized for the absorption of heat.” (Lines 10-17) Illustration is included.
Date: June 23, 1891
Creator: Robinson, Charles H.