UNT Libraries Government Documents Department - 141 Matching Results

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Attachment for Plows.

Description: Patent for an attachment for plows, which "may be utilized as a cutter or the plow converted into a double-shovel plow," (lines 18-19) with instructions and illustrations.
Date: April 15, 1891
Creator: Williams, George M. D.

Attachment for Wheel-Plows.

Description: Patent for "invention has relation to improvements in attachments to sulky and other horse-plows" (para. 3). Combines a circle-plate, transverse clamp-ridge, clamps, a bearing plate, a king-bolt, a transverse sleeve, an axle, adjusting collars, and transporting-wheels on said axle.
Date: December 21, 1878
Creator: Cummins, John Randolph

Beam or Girder.

Description: Patent for a new and improved girder. This design is "composed of a vertical web and a flange or flanges, a mass of the metal in a flange or flanges projecting from the web at and near one-half the distance between the axis and the neutral line" (lines 48-53).
Date: December 24, 1889
Creator: Cousins, Robert Henry

Binder For Books

Description: " I invented new and useful improvements that relate to binders for books; and its object is to provide a simple, durable, and attractive device of this character adapted to detachably secure the leaves of a book so that any one or more of them can be readily removed." Crowder, Joseph. (1905). Binder for Books. United States Patents Office. Retrieved from http://edit.texashistory.unt.edu/ark:/67531/metapth508756/.
Date: December 12, 1905
Creator: Crowder, Joseph Wade & Simmons, W. W.


Description: Patent for a bridge of "simple and strong construction in metal of very low cost and light weight, using only such materials as are easily available, being also of easy construction and well adapted to resist washouts" (lines 9-13).
Date: July 5, 1892
Creator: Kosure, Thomas H.

Car Brake.

Description: Patent for a new and improved car-brake. This design consists in "the combination of the swinging arms arranged in front of the wheels, the curved brake-shoes pivoted at their front ends to the lower ends of the arms, and the swinging slotted links connecting intermediate points of the brake-shoes to a stationary part of the car, whereby the free end of the shoe is capable of a swinging movement independent of the links" (lines 76-84).
Date: October 2, 1888
Creator: Otenhouse, Henry

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "consists in the construction and novel arrangement of the rack-bars seated in ways recessed in the sides of the draw-head, toothed segments engaging therewith, a shaft carrying said toothed segments, and also bearing within the cavity of the draw-head a vibratory arm and a setting-lever, from which the coupling-pin is suspended, connected to said vibratory arm" (lines 24-32).
Date: August 16, 1881
Creator: Stephens, Lawrence Earnest. & Pool, George Washington.


Description: Patent for a car-coupling that has a draw-bar attached to the car, a hollow draw-head with a flaring opening that sits horizontally to the draw-bar, a spring that holds the draw-head in the horizontal position, a bar that raises and lowers the forward end of the draw-head against the spring, a coupling-pin that sits in the draw-head, a chain that connects the draw-head to the bell-crank lever, a cam that supports the chain, and a device that turns the cam in either direction in order to tighten the chain.
Date: March 31, 1896
Creator: Epps, Charles


Description: Patent for a cattle guard consisting of pivoted metal plates, mounted longitudinally on rail ties that rock to an inclined position when stepped on by an animal. The displacement of the plates causes a portion of the plate to come into contact with the foot of the animal, frightening it and preventing the animal from crossing the cattle guard.
Date: October 21, 1913
Creator: Hagan, Francis D.


Description: Patent to an improvement to churns "in which its action may be either single or double acting by means of a simple and efficacious arrangement of parts" (lines 18-21).
Date: January 19, 1886
Creator: Persohn, John William


Description: Patent for a clock level that is made up of a wall-plate that is attached to the wall, arm braces that are attached to the wall-plate, thumb-screws in the lower shelf-plate, a shelf-plate, levels, plates secured to the edge of the shelf, and leveling nibs.
Date: January 8, 1895
Creator: Marshall, William J.


Description: Patent for a clothes pounder used in washing clothes. It is a pyramidal vessel that is open in the bottom and has perforations on the top of the inside of the vessel, a cap covering the top of the pyramid with an air-hole, a sleeve that goes through the top of the vessel and through the cap, a handle in the upper portion of the sleeve, a diaphragm with perforations in the base of the vessel, a rectangular box secured beneath the diaphragm, and inclined tubes open at both ends of the angles of the vessel.
Date: January 14, 1896
Creator: Leddy, Owen

Combined Stalk-Cutter and Rake.

Description: Patent for an improved combined stalk cutter and rake that has a main frame, a rake frame, a hanger attached to the axle-bar under the frame, arms at the back of the frame, a transverse rod in the hanger and slots in the arms, a rock-lever, connections for operating the frame, a rake at the end of the frame, and an operating lever.
Date: April 3, 1894
Creator: Priestley, Joseph


Description: Patent for "surgical instruments which are used for stopping the flow of blood during an amputation or other similar operation." (Lines 12-15) Includes instructions and illustrations.
Date: January 12, 1897
Creator: Burton, Edwin L.