3 Matching Results

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Attachment for Cultivators.

Description: Patent for an improved arch-bar for cultivators that allows increasing and decreasing the space between drag bars without having to stop the team of horses.
Date: July 31, 1906
Creator: Weempe, Charles M.
Partner: UNT Libraries Government Documents Department

Ice-Cream Freezer.

Description: Patent for an ice cream freezer that consists of a can with a joint bearing in the middle, a cover with openings in the center and a central vertical flange, a lid that fits over the central vertical flange, and a shaft with horizontal arms that rotates.
Date: July 31, 1894
Creator: Wallace, Lloyd & Wallace, Jeff Davis
Partner: UNT Libraries Government Documents Department

Railroad-Track Lifter.

Description: Patent for improvement in railroad-track lifters by using “the combination of a base, a upright, a lever and two pawls engaging notches of the upright” (lines 97-99) and “hand mechanism for operating the pawls,” (lines 1-2, p. 2) for easily raising sections of railway-track. Illustration is included.
Date: March 31, 1891
Creator: Brown, Hiram David
Partner: UNT Libraries Government Documents Department