UNT Libraries Government Documents Department - 17 Matching Results

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Automatic Gun Firing Mechanism.

Description: Patent for an automatic gun firing mechanism intended to protect gardens, orchards, and fields by scaring off birds and other animals that destroy crops through automatic discharge of a firearm at predetermined intervals.
Date: March 18, 1913
Creator: Steinocher, John

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "is to provide a device for automatically coupling the cars to which it is attached and which can be uncoupled without requiring the brake[person] to go in between the cars, and when uncoupled the coupling will stand uncoupled till thrown back in gear" (lines 13-19). It consists in "the combination of two similar draw-heads, each provided with buffers and a longitudinal slot therein, and a buffer-bridge and two rounded bevele… more
Date: November 18, 1890
Creator: Seley, William W.

Gin Saw Cleaner

Description: Patent for gin saw cleaner. This invention operates on the cotton bulbs when they are damp and cling to the saw blade. Illustrations included.
Date: December 18, 1906
Creator: Henderson, Robert L.

Insufflator.

Description: Patent for an ejector meant to apply "powder for medicinal purposes to afflicted parts of the body without difficulty" (lines 10-12).
Date: August 18, 1896
Creator: Moore, George W.

Knee-Pad.

Description: Patent for a knee-pad used while picking cotton, berries, or gardening. It protects the knee from dampness, stones, roots, etc. The pad goes on the knee, and two wooden braces are on the sides. A strap goes around the user's shoe, and the bolts were the pad is attached to the braces also has string where the operator ties the brace to himself.
Date: February 18, 1896
Creator: Davis, James Walter & Brown, Elijah Clark

Mold for Making Sewers.

Description: Patent for a new and improved sewer mold. This design consists in "[a]n expansible and contractible reversible mold for sewers, in form in cross-section of either a semi-circle, semi-ellipse, or semi-ovate, formed of segmental portions hinged together and provided with stay-braces and thrusting tie-rods" (lines 76-81).
Date: June 18, 1889
Creator: Baade, John

Oil Press Mat.

Description: Patent for a new and improved oil press mat. This design consists in "having its body portion composed of card-board cut to the size of the press-box, the adjacent faces being covered with sheet metal, which is pressed or stamped into the paper body to give the required cavity, which is bounded by raised margins and transverse ribs struck up from the metal, and supported by paper strips interposed between the layers of card-board, the two leaves of the mat having a leather backing and being hin… more
Date: September 18, 1883
Creator: Osborn, Adelbert E.

Roller Cotton-Compress.

Description: Patent for a roller cotton-compress that improves the "apparatus for accomplishing the work of rolling up the bale, of removing same from the position between the rolls, and removing the core" (lines 20-23).
Date: June 18, 1895
Creator: Bessonette, Charles L.

Saw-Sharpening Machine.

Description: Patent for improvements in "that class of saw-sharpening machines in which straight-edge-filing devices reciprocally movable are provided and in which ratchet mechanism for feeding the saw is also included" (lines 8-12) including illustrations.
Date: February 18, 1902
Creator: Phelps, Ruben P.
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