UNT Libraries Government Documents Department - 7 Matching Results

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Corn-Planter.

Description: Patent for an improvement of a corn-planter using a combinations of, a rotary seed plate that has a circumferential series of perforations, a spherical weight or ball acts as ejector, and a hopper that has a circular opening on the bottom to work together “to prevent too large quantities of seed from entering the seed-cups, but which shall also serve to forcibly eject the seeds at the proper time” (lines 19-22), illustration is included.
Date: February 10, 1891
Creator: Schofield, James Drommond
Item Type: Refine your search to only Patent

Wood-Working Machine.

Description: Patent for improvements in wood-working machine by using a combination of a toothed bar, a retractable slotted bar, a weight attached to the frame and a revolving wheel. With each single revolution of the drive-wheel, the slotted "bar is fed forward the distance of one tooth, and thus the cutter is gradually embedded in the material being operated upon at the same time it is rotated at a high rate of speed," (lines 94-97) illustration is included.
Date: March 17, 1891
Creator: Walton, George Washington
Item Type: Refine your search to only Patent

Type-Writing Machine.

Description: Patent for improvements in type-writers by compactly arranged many parts together, such as the sliding block, the vibrating plate, the feed-roller and etc..., "and in which the work can at all times be viewed by the operator. The printing is accomplished on a flat surface... new sheets thus saved,” (p. 4, lines 111-118). Illustration is included.
Date: February 17, 1891
Creator: Pierce, Jesse W.
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

Pump.

Description: Patent for improvements in pumps especially adapted for deep wells by using different approaches to construct and arrange the strainer, the working barrel, the conical valve seat and other parts to pump the water upward. Illustration is included.
Date: October 20, 1891
Creator: Branham, Robert
Item Type: Refine your search to only Patent

Car-Coupling.

Description: Patent for improvements in car-couplings by enhancing a device called pin-lifter to couple and uncouple rail cars. Illustration is included.
Date: September 8, 1891
Creator: Weathersby, Sarah Ann
Item Type: Refine your search to only Patent

Cotton-Planter.

Description: Patent for a cotton planter by using a pivoted spring-actuated tongue that has a feed-slot and regulating-slide to plant cotton or corn seeds easily and quickly. Illustration is included.
Date: February 3, 1891
Creator: Schofield, James Drommond
Item Type: Refine your search to only Patent
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