Michael Anthony Castillo

US Patent:

44415648, Apr 10, 1984

Filed:

Jul 27, 1981

Appl. No.:

6/280128

Inventors:

Michael S. Castillo - Laguna Hills CA

International Classification:

E22C 1100

US Classification:

175122

Abstract:

A hole drilling machine which includes a geared stationary drill frame with a guide track to which support legs are attached at either end. A drive shaft made of hollow flexible tubing driven by a motor suspended from the guide track. An adjustable swivel axel to which the drill end is mounted. The drill end is a hollow tube with openings in an end to permit streams of water to wash loose soil out of the hole and assist in the drilling process and a helical knife edge attached thereto. An angled metal piece with exit holes to permit the flow of water is attached to the working end.