Description: 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.
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Partner: UNT Libraries Government Documents Department