UNT Libraries Government Documents Department - 136 Matching Results

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Adjustable Device for Dressing Down Bearings

Description: Patent for a tool that dresses down bearings. Railroad engine journals and their corresponding bearings show wear over time. When replacing bearings into such a journal, without adaptation of the bearing there will be an improper fit, resulting in "hot journals" or "hot boxes". This tool adapts a bearing to a proper fit for the journal into which it will be installed.
Date: December 12, 1922
Creator: Mitchell, William A.
Item Type: Refine your search to only Patent

Animal-Feed Device

Description: Patent for an animal feed device that is collapsible and that can be suspended from fences, vehicle wheels, other structures, the ground, or the animal itself. (lines 10-15
Date: December 12, 1905
Creator: Russell, George Washington
Item Type: Refine your search to only Patent

Baling-Press

Description: Patent for Baling-Press designed particularly as a further improvement of the press and eliminate the long operating lever. (lines 12-14).
Date: December 12, 1905
Creator: Hayes, George Daniel
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Baling-Press.

Description: Patent for a baling press that holds the material in the press while it is being formed into a bale. It consists of a frame with notches in the back, a resistance bar that pivots across the back of the frame, a latch that holds the bar in place, and a pin to pin the bar to the latch.
Date: December 12, 1893
Creator: Mealer, James A.
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Binder For Books

Description: Patent describing an invention for a binder to securely hold pages, but allow leaves to be removed, and also lay flat. It includes oppositely-disposed hinged plates with a locking-rod.
Date: December 12, 1905
Creator: Crowder, Joseph Wade
Item Type: Refine your search to only Patent

Car-Brake.

Description: Patent for a car brake that has independent brake shoes and brake pressure is equally applied to all the wheels of the truck. The invention is meant to "obtain in a car brake of this class a central transmission of the applied brake power to the different groups of brake mechanism whereby the brake power is distributed equally to each wheel and the brakes are not only rendered more stable and certain in their operation, but are better adapted for the application of either hand or air brake or p… more
Date: December 12, 1893
Creator: McGee, James
Item Type: Refine your search to only Patent

Flying-Machine.

Description: Patent for "a flying machine of the heavier-than-air or aeroplane type" (lines 10-11) that has a central opening. Around the central opening, the front and wings form obtuse dihedral angles, which keep the plane stable.
Date: December 12, 1911
Creator: Herrmann, Ernst W. F.
Item Type: Refine your search to only Patent

Garment-Stretcher

Description: Patent for garment-stretchers that improve the stretching and pressing of garments to keep them in better shape. Includes instructions and illustrations.
Date: December 12, 1916
Creator: Carlson, Magnus
Item Type: Refine your search to only Patent

Gin.

Description: Patent for improved cotton gins through the "construction and arrangement of the roll box and the ginning devices" (lines 11-12).
Date: December 12, 1911
Creator: Murray, Stephen D.
Item Type: Refine your search to only Patent
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