UNT Libraries Government Documents Department - 65 Matching Results

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Air-Brake.

Description: Patent for train air-brakes to provide set brakes and same auxiliary pressure on all cars regardless of the brake cylinder piston travel distance.
Date: January 13, 1914
Creator: Wolf, Gustav B.

Bicycle.

Description: Patent for a bicycle that has a drive wheel, a ratchet wheel attached to the drive wheel, a chain that goes around the ratchet wheel, an apparatus for reciprocating the chain, a guideway from the chain to the ratchet wheel, a knob on the chain that engages the guideway, a pair of levers connected to the chain, and a chord that connects the levers to the chain.
Date: February 19, 1895
Creator: Williams, Elbert D.

Boat-Propeller.

Description: Patent for a boat propeller, which is inexpensive and adaptable to small boats. The propeller can go forwards or backwards and use multiple oars.
Date: February 5, 1901
Creator: Caffey, John W.

Car-Coupling

Description: Patent for an improvement in car couplings "whereby the pin-support is operated not by the links but by the impact of the cars themselves and of a yielding link" (lines 55-58).
Date: June 7, 1892
Creator: Young, James D.

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "consists in the combination of the draw-heads provided with projections, a coupling-link, an operating-rod loosely connected to each of its ends, and a suitable support or guide through which these rods move . . . The object of [the] invention is to provide a car-coupling in which the two cars are coupled together by means of a link which is provided with an operating rod at each end, both of the rods and the link being atta… more
Date: April 29, 1890
Creator: Campbell, Neil Franklin

Cattle-Guard

Description: Patent for an improved cattle guard with two parts that is adapted to specifically fit either inside the railroad tracks or alongside them.
Date: October 28, 1919
Creator: Fisher, Thomas M.

Combination-Flue

Description: Patent for a flue which will not crack and open, due to settling or to transverse strain. Also to provide means whereby the flue may be supported from the joists of a ceiling, against settling.
Date: February 3, 1914
Creator: Carl, Reinhold Adolph

Copy Holder

Description: Patent for an improved copy holder design that is "adapted for holding stenographers' notebooks and other copies and equipped with an efficient line guide, capable of easy and rapid operation to drop the line indicating means from one line to another with perfect accuracy" (lines 14-19), including illustrations.
Date: April 28, 1914
Creator: Wrede, Albin C.

Dish-Washer

Description: Patent fora dishwasher. The object of this invention is to furnish an improved means for washing dishes in such a manner that all foreign substances, greasy matters, and offensive odors may be readily and expeditiously removed and the dishes restored dry and clean by the operation of the machine without handling them.
Date: October 6, 1891
Creator: Hoppe, J. Frederick William

Folding Lamp Shelf for Pianos.

Description: Patent for a new and improved lamp shelf for pianos. This design "consists in an arm pivoted to the back of a music-rack and carrying a lamp-shelf, the arm being arranged to swing outward into a horizontal position, and the shelf being connected with the end of the arm by a pivotal connection, which permits of turning it outward and downward into a horizontal position in front of the plane of the music-rack" (lines 22-30).
Date: August 31, 1886
Creator: Prause, Reinhard

Gin Saw Gummer.

Description: Patent for a new and improved gin saw gummer. This design "consists in constructing a gin-saw gummer of a base-block, having a slot to receive the saw, and carrying the dics or stationary cutters, the guide-bar and shoe, the weight-bar, the pivoted bar, carrying the cutter and the gage, the lever and cam for operating the cutter-bar, and the feed mechanism" (lines 23-29).
Date: March 1, 1881
Creator: Clopton, John Benjamin

Hay-Press.

Description: Patent for a hay bailing machine. "The invention relates to bailing-presses, and more particularly to that class adapted for bailing hay, straw, &c.; and it has for one object to provide a simple and efficient construction in which a continuous rotation of the bailing-lever will act in conjunction with a retractile spring to reciprocate the plunger" (lines 7-13). "A further object of the invention is to provide a simple and efficient construction of detent for holding the gate after the hay or … more
Date: May 1, 1900
Creator: Garrett, Irvin H.
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