UNT Libraries Government Documents Department - 36 Matching Results

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Auger.

Description: Patent for a new auger designed "to provide a construction in which the parts may be adjusted to cut angular holes entirely through a body, and also to cut angular countersinks concentric with cylindrical openings, such as are made for the reception of the square heads of bolts lag screws, &c.," (lines 10-16), which includes illustrations and instructions.
Date: April 29, 1902
Creator: Bundy, John J.

Baling-Press

Description: Patent for improvements in baling presses "in which the necessary motion may be imparted to the plunger in a rapid and effective manner, and which shall be productive of considerable saving of labor and power" (lines 15-19)
Date: April 29, 1890
Creator: Anderson, Zachariah J.

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

Churn.

Description: Patent for a new and improved churn. This design consists in "[t]he combination of the standards, the longitudinal bars connecting the same, the driving-shaft journaled on the upper bars, the counter-shaft journaled on the lower bars and provided with a crank-disk at one end, gearing between the driving-shaft and the counter-shaft, the balance-wheel on the counter-shaft, the rock-shaft journaled on the upper bars and provided with the oppositely-extending crank-arms between the said bars, the c… more
Date: April 29, 1890
Creator: Anderson, Henry C.

Door Catch

Description: Patent for a new door catch design with an improvement to its locking system for the purpose of reducing injuries caused by the slamming of doors.
Date: April 29, 1919
Creator: Hughes, Stanley R.

Engine.

Description: Patent for a rotary engine with a coupled rotary shaft and piston. This engine uses a lubricant for keeping parts of the engine cool, including illustrations.
Date: April 29, 1919
Creator: Sheridan, Leslie M.

Farm-Tractor

Description: Patent for light-weight farm tractor that will be easy to maneuver. The patent includes information on the specifications and automotive components of the farm tractor.
Date: April 29, 1919
Creator: Rountree, Joseph G.

Harrow

Description: Patent for harrows to provide utilizing spring teeth that can either be used for gathering vegetation or loosening soil.
Date: April 29, 1913
Creator: Tucker, George W.

Jeweler's Tool.

Description: Patent for improvements in jeweler’s tools by “comprising a tubular handle, a reciprocatory punch-stem extending through the handle and beyond both ends thereof, a retracting spring seated within the handle and engaging with the stem, a punch-needle having a socket member detachably engaging one end of the punch-stem, and a cap detachably fitting one end of the handle over the end of the stem opposite the punch-needle.” (Page 2, lines 5-[13]) Illustration is included.
Date: April 29, 1902
Creator: Nilson, Albert A.

Knee and Head Block for Saw Mills.

Description: Patent for a new and improved knee and head block. This design consists, "with a saw-mill carriage, of a head-block extending flush with the outer edges of the tracks of said carriage and provided with the usual groove or recess extending the entire length of said head-block, a knee sliding in said groove and provided on its front vertical edge with a recess, and a log-supporter fitting flush within said recess and provided at its lower end with a forwardly-extending lug or projection" (lines 3… more
Date: April 29, 1890
Creator: Willis, George F.

Mechanical Power.

Description: Patent for a machine that "has relation to mechanical powers designed for stump-pulling, hoisting heavy weights, &c.; and it consists in the construction and novel arrangement of parts" (lines 21-24).
Date: April 29, 1884
Creator: Gray, William Smith

Nut-Lock.

Description: Patent for new and improved Nut-Locks, allowing for "a simple, strong, durable, and efficient arrangement for effectually locking a nut on a bolt..." (lines 16-18), including instructions and illustrations.
Date: April 29, 1916
Creator: Portesi, Santos & Taini, John
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