UNT Libraries Government Documents Department - 37 Matching Results

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Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design consists in "[t]he combination, with the draw-head having the downwardly and forwardly inclined floor and the floor slot or opening, of the coupling-bar having a curved or angular lever secured to its rear end and extending first downward through said opening and then under the draw-head" (lines 82-88).
Date: June 30, 1885
Creator: Anderson, Lee

Railway Tie

Description: Patent for a railway tie designed to to provide a metallic tie which is light strong, and durable (line 16-17) illustration included.
Date: June 30, 1903
Creator: Beazley, John

Alarm Attachment for Electric Bells.

Description: Patent for "an Alarm Attachment for Electric Bells." "The object in view is the provision of means for facilitating the change of an ordinary door-bell into a continuously-ringing alarm apparatus, while leaving the mechanism free to be changed back into its former operative condition as a door-bell."(Lines 10-15) Including illustrations and instructions.
Date: June 30, 1902
Creator: Blakeney, Henry

Riveting-Machine.

Description: Patent for improvements in "which rivets may be rapidly set in the material to be riveted, the rivet being driven and headed at the same operatio and without first punching holes in the material to be riveted." (Lines 15-19) Illustration is included.
Date: June 30, 1891
Creator: Carl, Reinhold A.

Gang-Plow.

Description: Patent for improvements in gang-plows in which the “disks” would contain a flared annulus and, it is formed by the truncation of a conical shell of large base and small altitude. This disk-plow “will penetrate the soil to the desired depth by its own natural draft with the minimum degree of friction and outlay of force.” (Lines 21-23) Illustration is included.
Date: June 30, 1891
Creator: Cleveland, George P.

Rotary Plow.

Description: Patent for improvements in rotary plows which can be used as a subsoil-plow or it can be converted into a cultivator. The “purpose is to provide a novel gang-plow capable of cutting the soil at different depths, as circumstances may require, and in which the angle at which the plows enter the soil may be varied.” (Lines 18-23) Illustration is included.
Date: June 30, 1891
Creator: Cleveland, George P.

Combined Cultivator and Harrow

Description: Patent for a combined cultivator and harrow. "This invention relates to an improved agricultural implement comprising in its construction a cultivator and a harrow, the tooth elements of which are so constructed and supported by the frame as to be capable of being adjusted for operation in several different positions" (line 8-14) illustration included.
Date: June 30, 1903
Creator: Farris, Henry Clay

Hame-Fastener

Description: Patent for improvements to a hame-fastener, specifically related to an easily made, inexpensively produced locking mechanism, including illustration.
Date: June 30, 1914
Creator: Fowler, Alvah W.

Incubator.

Description: Patent for an incubator that automatically maintains at least a minimum temperature, with the option to set and maintain a higher temperature, with adjustment of temperature from outside the incubator. The incubator uses electric heat.
Date: June 30, 1914
Creator: Hays, Ernest C.

Odometer.

Description: Patent for "new and Improved Odometer, of which is a full, clear, and exact description."(lines 4-6) Includes instructions and illustrations.
Date: June 30, 1885
Creator: Hutches, Benjamin F., Jr.

Plow

Description: Patent for invention new and useful improvement in Plows, relates the shape of the mold-board and the manner of securing the point and land side to the standard [5-15].
Date: June 30, 1885
Creator: Kelly, George A.

Lock.

Description: Patent for a new and improved lock. This design "is to produce a lock and key in which the lock-case has no exterior opening communicating with its wards or works, but is provided with a recess only for supporting the shank or axis of the key, while the only opening for the admission of the key to the interior of the lock, whereby its wards or bolt may be operated or controlled, is upon the interior of the lock-case, so that there is no possibility of introducing . . . picking devices therein, … more
Date: June 30, 1885
Creator: Markham, Thomas W.

Window-Curtain.

Description: Patent for improvements in curtain-fixtures in which it can be “readily applied to a window and capable of enabling its brackets to be readily adjusted to suite a curtain-roller.” (Lines 11-13) It also can prevent the curtain-roller becoming accidentally disengaged from the bracket by reason of one bracket being slightly higher than the other. (Lines 15-17) Illustration is included.
Date: June 30, 1891
Creator: Mendenhall, John W.

Piano-Action.

Description: Patent for a new and useful piano-action in which the so-called hammers is "pivotally connecting the hammers to the rail by a specific means." (Lines 11-12) Illustration is included.
Date: June 30, 1891
Creator: Norcross, Levi W.
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