UNT Libraries Government Documents Department - 6 Matching Results

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Improvement in Gang-Plows.

Description: Patent for improvements to the gang-plow consisting of "an adjustable frame, within which two or more ordinary plows can be arranged to form the gang, said frame being constructed so as to enable one set of plows to run deep, while the other set can be made to run shallow." (Lines 15-19) Includes instructions and illustrations.
Date: July 17, 1877
Creator: Crump, Thomas J.
Item Type: Refine your search to only Patent

Improvement in Motors for Operating Churns.

Description: Patent for "a simple and effective motive power for operating the dashers of churns; and it consists of a suitable frame-work provided with a fly-wheel, operated by a pitman attached to a bar projecting from brackets on the side of an ordinary rocking-chair, said fly-wheel being provided with cogs upon one side, which mesh into the cogs on a smaller wheel, which caries a crank for operating the dasher of the churn, a suitable belt being arranged upon the rim of the fly-wheel and around a small … more
Date: January 15, 1878
Creator: Crump, Thomas J.
Item Type: Refine your search to only Patent

Improvement in Saw-Set.

Description: Patent for an invention "which can be used for setting the teeth of all kinds of saws by hand, and without requiring and intricate machinery" (lines 15-18). The patent includes instructions and an illustration.
Date: February 15, 1870
Creator: Harris, H. A.
Item Type: Refine your search to only Patent

Improvement in Reciprocating Churns

Description: Patent for "certain new and useful improvements in the construction of churns, whereby dashers are caused to rotate very rapidly, thus greatly facilitating the process of producing butter; also, the churn and its supporting frame-work being constructed and arranged in sections permits of it being taken apart very readily, and packed in a very small space for shipment." (lines 12-20) including instructions and illustrations.
Date: February 27, 1877
Creator: Welch, John M.
Item Type: Refine your search to only Patent
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