UNT Libraries Government Documents Department - 180 Matching Results

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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
Item Type: Refine your search to only Patent

Car-Coupling.

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… more
Date: March 31, 1896
Creator: Epps, Charles
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

Cattle-Guard.

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.
Item Type: Refine your search to only Patent

Churn.

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
Item Type: Refine your search to only Patent

Clock-Level.

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.
Item Type: Refine your search to only Patent

Clothes-Pounder.

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 t… more
Date: January 14, 1896
Creator: Leddy, Owen
Item Type: Refine your search to only Patent

Combined Marking-Pot and Brush.

Description: Patent for a combined marking-pot and brush where the marking-pot "will effectually support a brush and prevent the handle thereof from dropping down in to the ink or paint contained therein" (lines 13-16). The marking-pot also provides a detachable cover to prevent spilling.
Date: January 29, 1918
Creator: McCombs, Charles C.
Item Type: Refine your search to only Patent

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
Item Type: Refine your search to only Patent

Compress.

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.
Item Type: Refine your search to only Patent

Cotton-Chopper.

Description: Patent for agricultural machines to "permit the chopper to pass predetermined plants during the operation of the machine through a planted field." (lines 13-16)
Date: June 15, 1920
Creator: Hart, Granville M. & Wall, James Edgar
Item Type: Refine your search to only Patent

Cotton-Chopping Machine.

Description: Patent for a cotton chopping machine, which can be attached to a cultivator, has a mechanically operated hoe, and automatically changes its cutting height for different heights of ground.
Date: May 31, 1910
Creator: Martin, John M.
Item Type: Refine your search to only Patent
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