UNT Libraries Government Documents Department - 4 Matching Results

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Axle Skein.

Description: Patent for a new and improved axle skein. This design consists in "[t]he combination of the axle-spindle having a collar at its inner end and provided with a longitudinal groove at its outer end, and the bushing having a rib which engages the groove and a projection which engages the notch in the collar" (lines 29-35).
Date: September 20, 1887
Creator: Nott, Henry William
Item Type: Refine your search to only Patent

Cattle-Guard

Description: Patent for a cattle guard for use at railroad tracks incorporating a depressible platform connected to a closing mechanism which will impede movement of cattle across the track, but allow for unobstructed movement at other times.
Date: March 20, 1906
Creator: Richter, Fred Otto & Richter, Gustav Adolph
Item Type: Refine your search to only Patent

Mechanical Power.

Description: Patent for a new and improved engine. This design "relates to a combined room-ventilator and fly-hand; and it has for its object to provide a device of this character which shall be simple in its construction and thoroughly efficient and effective in its operation. With these ends in view the invention consists in the improved construction and combination of parts" (lines 9-17).
Date: May 20, 1884
Creator: Ellis, James W.
Item Type: Refine your search to only Patent
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