UNT Libraries Government Documents Department - 7 Matching Results

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Axle Box.

Patent for a new and improved self-oiling axle box. This design utilizes a sleeve with several small, oil-filled holes to be placed between the spindle and the axle box, which lubricates the machine and reduces friction. A nut keeps the spindle and axle box together.

Date: April 26, 1881

Creator: Barnes, Thomas J.

Car Coupling.

Patent for a new and improved coupling for railroad cars. This design utilizes "a draw-head, formed with the usual flaring mouth, and interior cavity. . . . the interior of the draw-head is narrowing from the mouth to the center of the pin, and widening from the latter backward. The object of this construction is, that it directs the entering link to the pin, and increases the power of resistance of the latter to the strain" (lines 23-33).

Date: April 5, 1881

Creator: Nuckols, William L.

Machine for Cleaning, Polishing, and Assorting Nuts.

Patent for a new and improved nut cleaner, polisher, and sorter. This design consists in "[t]he combination, with the nut-cleaning cylinder having the longitudinal door and transversely-arranged wire cylinders having doors, of the intermediate hopper, arranged lengthwise of the cylinder, as well as under it, and having apertures over the doors of the wire cylinders . . . and a series of sieves, successively increasing in mesh, of a perforated floor, an end plate terminating in [an] eccentric, a… more

Date: September 13, 1881

Creator: Koerber, Rudolph C.

Mosquito Bar Frame.

Patent for a new and improved frame for mosquito bars. This design calls for wires, bent at right angles, to be attached to a center piece, in which hanging-cords can be stored. This design represents a lighter, more portable alternative to the wooden predecessors.

Date: November 1, 1881

Creator: Bostick, William T.

Rotary Steam Engine.

Patent for a new and improved rotary steam engine. This design "first, provide[s] a novel form of valve for regulating the induction and eduction of steam to and from the cylinder; second, [it] provide[s] novel devices for reversing the movements of the rotating pistons; and, third, [it] provide[s] novel combinations of the parts of which the engine is composed"

Date: July 19, 1881

Creator: Cross, David L.

Seed Planter.

Patent for a new and improved seed planter. This design consists in "[t]he combination [of] a lever, shaft, bars, and ring-plate on a wheel, [and] of the four fixed cams and intermediate detachable cams" (lines 66-69).

Date: June 28, 1881

Creator: Gallway, Richard James.

Three Wheeled Vehicle.

Patent for a new and improved three-wheeled vehicle. This design "has an advantage over a four-wheeled vehicle in dispensing with one wheel and one or more springs. It is more readily turned than a four-wheeled vehicle, and can more easily avoid collision with other vehicles when in motion. It also offers better facilities for entering and leaving the carriage, and a vehicle for this design and of equal strength with a four-wheeled vehicle will weigh twenty to fifty pounds less" (lines 73-82).

Date: January 4, 1881

Creator: Humbert, Prosper