Patent ID: 7766002
Filing Date: 2010-08-03
Classification: B28D,Y10T

Abstract:
1. An apparatus for pitching and splitting a concrete block comprising: a first pitching blade configured to move in a first direction; a second pitching blade adjacent and parallel to the first pitching blade, wherein the first pitching blade and the second pitching blade are separated by a distance that causes the concrete block to split primarily along a single plane when the first pitching blade and the second pitching blade are driven into the concrete block; a third pitching blade opposite the first pitching blade and configured to move in a second direction; and a fourth pitching blade opposite the second pitching blade and adjacent to the third pitching blade, wherein the third pitching blade and the fourth pitching blade are separated by a distance that causes the concrete block to split primarily along the single plane, and to form at least two pitch breaks on the surface of the concrete block adjacent to the single plane and at an angle relative to the single plane.