UNT Libraries Government Documents Department - 5 Matching Results

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Car Coupling.

Patent for a new and improved coupling for railroad cars. This design consists in "[a] car-coupling constructed with a draw-head having a vertically-ranging and inwardly-tapering link-socket and a horizontal hole to receive the coupling pin, in combination with a coupling-link tapering from the middle toward the end . . . [and] . . . crossing the socket, and a coupling-pin adapted to said hole and to the coupling-link, and connected to [two] lever[s] [and a] link . . . and [one of] said lever[s… more

Date: February 24, 1885

Creator: Rye, Edgar

Lifting Jack.

Patent for a new and improved jack. This design consists in "the combination, with a standard provided with an elongated open slot and a moveable section adapted to slide within the slot, of an operating-lever pivoted to the standard at the side of the slot, and a link pivotally secured to the sliding section and lever, whereby the lever is thrown past the center and the sliding section thereby locked in an elevated position" (lines 67-75).

Date: July 15, 1884

Creator: Thorp, James L.

Penman's Arm Rest.

Patent for a new and improved writer's armrest. This design "is to provide a sort of swivel-pivot to support the wrist in writing, whereby perfect freedom of movement is given to the hand, and the position of the hand may be changed instantaneously without effort in forming characters in writing. The invention consists of a flexible or pliable foundation-piece with an anti-friction or swivel roller or ball projecting from its surface and forming a pivot to support the wrist when writing, a stra… more

Date: June 14, 1887

Creator: Graham, Tilghman

Separator for Pecan and Other Nuts.

Patent for a new and improved nut cracker. This design is "provided with an inclined bed of parallel positively-driven rollers . . . and arranged at a suitable distance apart to allow of the leaves and other refuse falling through between them, but conducting the cleansed or separated nuts over them for delivery over a back board, or otherwise, away from the leaves and refuse, and where they may be put into sacks . . . a hopper arranged over the upper or highest portion of the inclined bed of s… more

Date: February 6, 1883

Creator: Dolman, John H.

Surveyor's Instrument.

Patent for a new and improved surveyor's instrument. This design consists in "[t]he instrument for surveying and analogous purposes, consisting of protractor, right-angled piece, and [additional] piece, the two latter pivoted to move independently on the protractor" (lines 9-13).

Date: March 10, 1885