Resource Type

Language

Animal Shears. (open access)

Animal Shears.

Patent for new and improved animal shears. This design consists in "mechanism for imparting a combined reciprocating and edgewise play to the cutting knife or knives in order to cause the teeth of said knife or knives to follow or describe a curved or oval path, and thus insure greater efficiency of operation; to provide for the proper lateral contact of the knives in order to insure their proper action and to regulate the pressure or force with which one knife bears on the other; [and] to provide a peculiar form of cutter-teeth which shall be automatic or self-cleaning" (lines 19-30).
Date: February 11, 1890
Creator: Bechtol, William S. & Bessonette, William T.
System: The Portal to Texas History
Ore Separator (open access)

Ore Separator

Patent for ore separator. This invention "relates to separators or concentrators for separating or extracting gold from pulverized quartz sand or bearing dirt" (line 8-11). Illustration included.
Date: May 11, 1909
Creator: Donovan, John T., Sr.
System: The Portal to Texas History
Vehicle-Pole. (open access)

Vehicle-Pole.

Patent for a simple vehicle-pole that has an improved fastening. It consists of a table with a socket, a pole in the socket, arms connected to the table, singletrees attached to the extending ends of the arms, and a running gear.
Date: July 11, 1893
Creator: Rohn, Frank G.
System: The Portal to Texas History