UNT Libraries Government Documents Department - 108 Matching Results

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Car-Truck Bolster.

Description: Patent for a car-truck bolster "made of cast steel or malleable iron, cast in one piece, and provided with a plurality of corrugations running longitudinally or in an approximately longitudinal direction along the girders which form the sides of the said bolster" (lines 15-20).
Date: May 28, 1895
Creator: Maher, John N. & Wheless, Thomas H.


Description: Patent for a combination tool that is "adapted without changing any of its parts to operate as a nut and pipe wrench, pliers, hammer, screw-driver, and nail-extractor." (Lines 12-15) Includes instructions and illustrations.
Date: October 12, 1897
Creator: Armstrong, Charles J.


Description: Patent for a device "which shall illustrate the axial and orbital movements of the earth and the directions of the sun's rays upon our globe... by simple and effective means of automatic character." (Lines 17-24) Includes instructions and illustrations.
Date: June 22, 1897
Creator: McArthur, Neel John


Description: Patent for "a culvert which shall be so constructed that the jarring caused by the passing of trains or wagons will not impair the solidity of the culvert." (Lines 14-17) Includes instructions and illustrations.
Date: September 15, 1896
Creator: Parker, William Sink

Oil Substitute.

Description: Patent for an oil paint substitute consisting of furniture glue, water, soda ash, and salicylic acid, rosin, and pigment. Includes instructions for three different formulas.
Date: May 18, 1897
Creator: Reynolds, Walter James

Automatic Danger-Signal for Railroads.

Description: Patent for a "device for indicating at railroad crossings and other points, the approach or departure of trains within any given distance of such crossing or with relation to any point where persons might come into dangerous proximity to the train if they were left unadvised by some such signal as this." (Lines 19-26) Includes instructions and illustrations.
Date: February 26, 1895
Creator: Lee, Horatio Grooms; White, John P.; Ball, Thomas & White, James L.


Description: Patent for a nut-wrench capable of tightening different sized nuts. The lower jaw of the wrench has different levels, the overall effect being that of a staircase, while the upper jaw is flat with a bite that holds the nuts in place.
Date: December 15, 1896
Creator: Tiner, John F.

Apparatus for Loading Cotton-Bales, &c.

Description: Patent for an apparatus for loading cotton-bales onto trucks from the compress. It is comprised of a cylinder, a piston, a piston rod, an inlet and exhaust pipes and a valve, a chain with grapnels at one end end and the other end is connected to the piston rod, a sheave, an adjustable slidable trip rod, a pivoted trip lever connected to the cylinder, a four armed lever connected to the valve, and connecting rods.
Date: December 24, 1895
Creator: Thompson, George


Description: Patent for a car-coupling which is an improvement on a patent (No. 520,380) previously granted to the inventor. It has two jaws that are used with a combination of other parts to couple cars.
Date: May 28, 1895
Creator: Roosevelt, James A.


Description: Patent for a car-coupling that provides "a link of this character which will remain set in a coupling position at all times, so that the coupling of the cars can be effected in an automatic manner" (lines 10-14). It can be easily adjusted to different heights and its construction prevents jerky movements.
Date: April 9, 1895
Creator: Yeiser, John C.

Clock-Winding Mechanism.

Description: Patent for "an improved mechanism for the periodical automatic winding of clocks by water power, and has for its object to provide an apparatus that will be adapted to utilize the power afforded by the gravity of water discharged at regular intervals from a tank, which is in an elevated position and is supplied with water by rain fall or other means" (lines 8-16).
Date: September 26, 1893
Creator: Everhart, Martin

Educational Appliance.

Description: Patent for an educational appliance that is meant to be used for teaching math mechanics and physics. It easily demonstrates principles of mechanics and physics that involve quantities.
Date: September 26, 1893
Creator: Macfarlane, Alexander


Description: Patent for a mechanism that presses cotton, wool, hemp, hay, or other similar substances that improves on a previous patent granted to the inventor (No. 451,846). This patent improves on the previous patent by improving the construction of the press.
Date: January 16, 1894
Creator: Bachman, Joseph A.

Siphon-Pump for Oil-Cans.

Description: Patent for a simple and inexpensive siphon meant to transfer oil from a container to another container without spilling the liquid. It can transfer a liquid from a reservoir to a receptacle and back again without spilling.
Date: August 15, 1893
Creator: Franklin, Edward A.

Machinery For Pressing Cotton.

Description: Patent for improvements in machinery for facilitating the pressing of cotton; and it relates particularly to mechanism in which cylinders and pistons are used, under the influence of fluid or liquid, such as steam, air, water, or gas under pressure to operate the follower-block of a bailing-press. (Lines 12-18) Illustration is included.
Date: May 5, 1891
Creator: Bachman, Joseph A.


Description: Patent for a simple and inexpensive clutch used for transmitting power. The clutch has "independent rotable disks that act on peripheral eccentric proportions, which are so arranged that the said disk will be held free from contact with the drive-shaft and the entire bearing of the clutch mechanism thrown on the grip members, whereby the shaft-apertures in the disks can be made sufficiently large to overcome any irregularity of the bearing-faces of the internal cam portions and obviating the necessity of providing outside collars" (lines 17-27).
Date: April 28, 1896
Creator: Carleton, Ernest WIlliam


Description: Patent for an improvement on door-stops meant to "check the door at any point in its traverse and at the same time serve as a door fastening and stop" (lines 14-16). It is hand adjustable operating-rod.
Date: June 2, 1896
Creator: Campbell, Thomas Jefferson

Wire-and-Picket-Fence Machine.

Description: Patent for a machine that secures "pickets in wire fencing, the wires having been secured to and stretched between the fence-posts and the machine applied to the wires and operated by hand to secure the pickets to the wires by an operation which places them in crossed relation to form loops within which the pickets are secured at the proper distance apart" (lines 9-16). The machine works on wires that have already been stretched.
Date: May 12, 1896
Creator: Rice, Elisha A.

Mail-Bag Fastener.

Description: Patent for a mail-bag fastener that consists of a mail bag with a flap, slots, a double upper portion next to the flap, a channel cut into the portion, guides with slots across the channel, a leather strap that slides into the channel, staples on the inside of the flap, and a tag holder attached to the back of the strap.
Date: November 14, 1893
Creator: Roosevelt, James Albert