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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.
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Partner: UNT Libraries Government Documents Department

Animal-Trap.

Description: Patent for an animal trap that allows an animal, most suitably animals of the rodent species, to enter a rectangular box from any of its four sides through a gate formed of downwardly inclined wires pivoted above each of said openings inside of the box. When an animal enters the trap, they are unable to leave because of the downwardly bent ends of transverse bars secured to the said inclined wires.
Date: November 2, 1920
Creator: Smith, James W.
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Partner: UNT Libraries Government Documents Department

Automatic Turntable

Description: Patent for “a turn table of simple and durable structure adapted to be placed in the floor of a small garage or at other points, and which will automatically operate when an automobile is run upon the same to effect the complete turning of the automobile machine in order that the machine may enter the garage while traveling a forward direction and leave the garage in a similar manner” (lines 17-25). Includes illustrations.
Date: February 1, 1921
Creator: Sanders, Edwin J. & Morrison, John W.
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Partner: UNT Libraries Government Documents Department

Automobile Windlass.

Description: Patent for improved Automobile Windlasses. It is a combination of horizontally disposed tubular sections on the right and left hand, an improvement in the windlass attaching mechanism.
Date: October 11, 1921
Creator: Davis, Marion A.
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Partner: UNT Libraries Government Documents Department

Car-Rail Hose-Bridge.

Description: Patent that provides a hose-bridge that is light in weight and simple in construction, that can be carried on the cars or stored at different points on the line convenient for use.
Date: January 24, 1921
Creator: Tyler, Charley P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for effective removal of cotton plants in an alternating pattern with a standard chopping depth, distance, and speed, with illustrations.
Date: June 28, 1921
Creator: Antoni, Ernst J.
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Partner: UNT Libraries Government Documents Department
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