UNT Libraries Government Documents Department - 5 Matching Results

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Automatic Railway-Gate.

Description: Patent for an automatic railway-gate or cattle-guard for use "at crossings, the entrances to tunnels, bridges or trestles, or at other places where it is desirable to guard the tracks" (lines 11-13). The invention is a simple and effective way for closing gates, can be operated from a distance, and is controlled by the wheels of passing trains.
Date: August 14, 1894
Creator: Baade, John
Item Type: Refine your search to only Patent

Clothes-Pounder.

Description: Patent for an improved clothes washer that is made up of a cylinder, a piston that is two disks attached together with notches and flared edges, and a packing strip in the groove of the disk edges.
Date: August 14, 1894
Creator: Lewis, Nathan D.
Item Type: Refine your search to only Patent

Punching-Machine.

Description: Patent for a simple and durable punching-machine for metalworking that punching metal and feeds it forward. The invention is made up of " a carriage adapted to support the sheet to be punched, and provided with a toothed bar, a rock shaft carrying a pawl adapted to engage the said toothed bar to move the carriage forward, and a punch lever adapted to receive a swinging motion from the said shaft, the said lever being connected with the punch to move the latter downward to punch the sheet" (line… more
Date: August 14, 1894
Creator: Walsh, Richard
Item Type: Refine your search to only Patent

Sheet-Feeder.

Description: Patent for a simple sheet-feeder that separates the sheets from a pile so they can be fed one at a time. The patent improves on the suction-roller mechanism that takes a sheet and rolls it into a printer. It does not use grippers or mechanical means for grabbing a single sheet.
Date: August 14, 1894
Creator: Clarke, George R.
Item Type: Refine your search to only Patent
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