| CPC B25D 9/02 (2013.01) [B25D 9/12 (2013.01); B25D 9/16 (2013.01); B25D 11/06 (2013.01); E02D 7/04 (2013.01)] | 11 Claims |

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1. A piledriving apparatus comprising:
a housing;
a ram being mounted in the housing, the ram comprising a base and a piston rod, the piston rod being movably coupled to the base, the base being positioned in the housing, the piston rod extending through a bottom end of the housing, the ram being operable to urge the piston rod alternately away from and toward the housing;
a head being coupled to a distal end of the piston rod of the ram with respect to the base, the head defining a cavity in the head, the cavity having a size and a shape such that the cavity is configured to be complementary in shape to a perimeter of a stake; and
wherein a cross section of the cavity taken perpendicular to the piston rod has a rectangular shape.
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