UNT Libraries Government Documents Department - 5 Matching Results

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Churn.

Description: Patent for an automatic churn, which churns up and down and rotationally. To operate, turn a crank and a gear inside the churn moves the blades.
Date: May 4, 1897
Creator: Rogers, James P.
Item Type: Refine your search to only Patent

Combination Wrench.

Description: Patent for a new and improved multi-tool. This design consists in "[t]he bar having the nut-wrench and the hammer-head formed at one end, the pipe-wrench formed at the opposite end, and the slot made in one side, the spring located in the bottom of the slot or opening, and the blade pivoted in one end of the slot or opening and bearing on the free end of the spring, the said blade forming a screw-driver" (lines 52-59).
Date: May 4, 1886
Creator: Wright, Augustus Washington
Item Type: Refine your search to only Patent

Improvement in Wagon-Brakes.

Description: Patent for "wagons which have brakes applied to them, so constructed that in descending a grade the brakes will be automatically applied, and, in moving on a level or ascending a hill, the brakes will be relieved from the wheels." (Lines 6-11) Includes instructions and illustrations.
Date: December 4, 1877
Creator: Hart, Alfred
Item Type: Refine your search to only Patent

Sash Balance.

Description: Patent for a new and improved sash balance. This design consists in "[t]he combination of a window-frame provided with the pulleys . . . sash provided with the grooves, and [the other] pulleys working in said grooves, and cord having one end attached to the upper part of the frame . . . passing thence under [the latter] pulleys in the upper sash, thence over [the second] pulley" (lines lines 81-87).
Date: November 4, 1890
Creator: Cayce, Henry P.
Item Type: Refine your search to only Patent
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