9 Matching Results

Search Results

Advanced search parameters have been applied.

Improvement in Needle-Threaders for Sewing-Machines.

Description: Patent for improvement in needle-threaders for sewing machines by using an “eyelet-frame that formed by two equal parallelopipeds. These parallelopipeds are being kept together by two springs and may be separated by pressing the pins toward each other.” (Lines 32-35) “The axis of a conical eyelet will be laid in the joint planes of the parallelopipeds, its apex in the front side, its basis in the opposite side of the eyelet-frame, through which eyelet the thread has to pass when the instrument is used and applied to the machine-needle.” (Lines 37-42) This instrument can be used with curved or straight needles. Illustration is included.
Date: April 20, 1869
Creator: Thielepape, Wilhelm C. A.
Partner: UNT Libraries Government Documents Department

Improvement in Spark-Conductors for Railroad-Trains.

Description: Patent for improvement in spark-conductors for railroad trains by using a “horizontal flue in sections and use “other devices to engage and disengage the sections, where by to arrest and extinguish sparks and conduct the smoke, ashes, and cinders to the rear.” (Lines 16-20) Illustration is included.
Date: April 27, 1869
Creator: Wright, Reuben
Partner: UNT Libraries Government Documents Department

Improvement in Buckles.

Description: Patent for improvement in buckles “which does not require to be sewed to either of the straps which it is to connect, and which will securely fasten and hold the said straps of bands in any desired position.” (Lines 16-19) Illustration is included.
Date: May 4, 1869
Creator: Richer, F. C.
Partner: UNT Libraries Government Documents Department

Improvement in Three-Horse Equalizers.

Description: Patent for improvement in treble-trees by using “two stretcher-loops that are jointed on the double-tree at points on each side of the centre, so that the strain is not at one point, but somewhat distributed.” (Lines 42-44) “The loops can be adjusted so that should there be any material inequality in the strength of the three horses, one can equalized by arranging the loops accordingly nearer to or further away from the centre on either one or both sides.” (Lines 45-49) Illustration is included.
Date: August 31, 1869
Creator: Sims, Zachariah B.
Partner: UNT Libraries Government Documents Department

Improved Ditching-Machine.

Description: Patent for improvement in ditching machine which “consists of a boring or ditching-auger, suspended from the frame of a truck, and having an enlarged head projecting in advance of the truck, and rotated, so as to bore out a groove as the truck is moved along, screwing the earth taken back through a trough, to an elevator which carries it up to a spout, chuting it to one side.” (Lines 13-19) Illustration is included.
Date: November 16, 1869
Creator: McGehee, James W.
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for improvement in plows: "The invention consists in so attaching a revolving disk, cutter, or colter to the beam of the plow that it will rotate on its own axis, and vibrate laterally, to accommodate itself to the line of draft or direction of the beam of the plow; also, in the means used by which the revolving cutter or colter is attached to the beam of the plow, and having the means of swiveling or turning in the beam to accommodate itself to the line of draft of the plow" (lines 22-31) including illustrations and instructions.
Date: December 28, 1869
Creator: Hall, Thomas J.
Partner: UNT Libraries Government Documents Department