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Valve-Gear for Engines.

Description: Patent for "a new and useful improvement in Steam-Engine Valve-Gears." The invention consists in "combining with a crank-shaft and a valve-shaft a lever, shaft, and two friction-wheels" (lines 4-9)
Date: July 6, 1880
Creator: Josserand, Peter
Partner: UNT Libraries Government Documents Department

Punch

Description: Patent for punch. Intent of patent is to provide a more stable way of connecting a punching tool mechanism to a reciprocating shaft.
Date: January 5, 1920
Creator: Doolittle, John F
Partner: UNT Libraries Government Documents Department

Space Block

Description: Patent for a block used to block spacing members upon a shaft, Illustration included.
Date: August 30, 1910
Creator: Vardell, Arthur A.
Partner: UNT Libraries Government Documents Department

Shaft Coupling

Description: Patent for a shaft coupling. This invention is designed to connect shafts by interlocking to parts that slide lengthwise thereby clamping them together. Illustration included.
Date: February 5, 1907
Creator: Frank, Henry M.
Partner: UNT Libraries Government Documents Department

Shaft Coupling.

Description: Patent for a new and improved shaft coupling. This design "relates to couplings for shafts and the like, and has for its object to provide a simple, durable, inexpensive, and efficient means by which the shaft-rods can readily be adjusted at any desired relative angle" (lines 12-16).
Date: August 29, 1882
Creator: Davis, Micajah Read
Partner: UNT Libraries Government Documents Department

Device for Locking Shafts in Hubs or Couplings.

Description: Patent for a new and useful device for locking shafts in hubs or couplings. This design is to "avoid the use of a key-way in the shaft and o provide the tubular member with a removable and reversible key having a serrated face adapted to be forced into close contact" (line 12-16).
Date: January 11, 1898
Creator: Rylander, Parrish H.
Partner: UNT Libraries Government Documents Department

Anti Friction Journal.

Description: Patent for a new and improved anti-friction journal. This design "relates to anti-friction devices adapted especially for hoisting pulleys; and it has for its object to provide a device in which the shaft or axis of the main hoisting-pulley shall be supported or mounted upon the peripheries of wheels of a considerable diameter as compared with that of the hoisting-pulley, whereby the friction may be lessened to the greatest possible extent" (lines 24-32).
Date: July 22, 1884
Creator: Taylor, John C.
Partner: UNT Libraries Government Documents Department

Attachment for Windmills.

Description: Patent for improvement in attachments for windmills to “convert rotary motion of the wheel shaft into reciprocating motion for actuating the pitman of the sucker rod.” (Lines 12-14) Illustration is included.
Date: July 1, 1913
Creator: Burleson, Lemual R.
Partner: UNT Libraries Government Documents Department

Keying Device for Cutter Heads

Description: Patent for a keying device for cutter heads. This invention is designed attaches cutter heads to rotate shafts to align the cutter head. Illustration included.
Date: December 10, 1912
Creator: Ash, William D. & Herndon, James A.
Partner: UNT Libraries Government Documents Department

Mechanical Movement.

Description: Patent for improvements in mechanical movements by using cranks and wrist pins to “converting rotary motion, like that of a wheel or pulley, into reciprocating motion.” (Lines 12-14) Illustration is included.
Date: April 8, 1902
Creator: McKean, Frank
Partner: UNT Libraries Government Documents Department

Propeller Shaft Bearing.

Description: Patent for a new and improved propeller-shaft bearing. This design consists, "with the horizontal propeller-shaft, of the single central stationary thrust-block through which the shaft snugly extends, the opposite ends of said block being each flattened and provided with a circular groove concentric with the shaft, the pair of collars rigidly secured to the shaft at the opposite ends of said central block, the inner ends of said collars each having a groove corresponding with the grooves in the… more
Date: July 8, 1890
Creator: Gaffield, William Z.
Partner: UNT Libraries Government Documents Department

Sulky.

Description: Patent for improvements in sulkies by using materials such as curved springs, cross-bar and braces to support the body of the vehicle and making it rigid, with a sturdy frame, the sulky would vibrate freely in every direction. Illustration is included.
Date: July 28, 1891
Creator: Harper, William D.
Partner: UNT Libraries Government Documents Department

Fire-Escape

Description: Patent for a fire-escape for "people irrespective of age, sex, or condition may be safely carried from any landing or floor of a building to the sidewalk or street" (lines 25-28); including illustration and instructions
Date: May 22, 1900
Creator: Thompson, B. W.
Partner: UNT Libraries Government Documents Department

Chain Pipe-Wrench.

Description: Patent for certain new and improvements in chain pipe wrenches, including instructions and illustrations.
Date: December 26, 1899
Creator: Bohner, Philip Henry
Partner: UNT Libraries Government Documents Department

Journal-Lubricator.

Description: Patent for improvements in lubricators by mounting a box, with a pair holes near its ends, on a bearing; with partitions across the box adjacent each holes, a pair of cord shape wicks and a depending flange, depressing the wicks to the bottom of the box. “When the box filled with liquid lubricant and the cover closed, the lower edge of the flange depresses the wicks, submerging them at the center of the box, and the wicks absorb oil at this point, the oil is lead thence by capillary attraction … more
Date: May 19, 1891
Creator: Hubbard, Benjamin V.
Partner: UNT Libraries Government Documents Department

Line-Shaft Oiler

Description: Patent for improvements to line-shaft oilers to more easily oil bearings and prevent oil waste.
Date: April 2, 1918
Creator: Collins, Joseph P.
Partner: UNT Libraries Government Documents Department

Weight Motor

Description: Patent for a weight motor. This invention is meant for the use of driving fans to circulate rooms. This "invention refers to the winding mechanism wherein a drum on which the cord is wound and the first gear wheel are independently rotatable in one direction on the winding shaft, the latter having keyed thereon two ratchet wheels which engage respectively, pawls on the drum and on the gear wheel" (line 13-20). Illustration included.
Date: March 24, 1908
Creator: Rackley, John Clavin
Partner: UNT Libraries Government Documents Department

Well Mechanism.

Description: Patent for an improved mechanism for drawing water from an artesian or a driven well and which can be assembled and adjusted from outside the well.
Date: May 29, 1906
Creator: Layne, Mahlon E.
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for improvements in car-couplings known as “automatic” by providing actuate means to “throw the pin downward and locks the link in a horizontal position.” (Lines 24-25) For uncoupling the cars from either the top or either side of the car; “a spring-actuated device is provided for keeping the link in a horizontal position with a yielding force.” (Lines 27-29) Illustration is included.
Date: August 18, 1891
Creator: Cole, Henry J.
Partner: UNT Libraries Government Documents Department

Bearing for Crank-Shafts.

Description: Patent for an improvement for Bearings for Cranks Shafts. This invention provides a means for "tightening the bushings of the bearings easily and quickly when necessary" (lines 9-13).
Date: October 22, 1918
Creator: Blumberg, Hamilton G.
Partner: UNT Libraries Government Documents Department

Power-Transmitting Mechanism.

Description: Patent for improvements in a power transmitting mechanism that is "designed for the purpose of connecting a driving or power shaft with a driven shaft, whereby the driven shaft is continuously rotated from the driving shaft." (lines 11-14)
Date: July 13, 1920
Creator: Smith, Robert W. J.
Partner: UNT Libraries Government Documents Department
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