Patent ID: 7967390

Claim:
A machine for deconstructing a wall, said machine comprising: a. a static support-frame; b. a carriage supported by said static support-frame, said carriage movable to be raised and lowered on said static support-frame along a workface of the wall; c. at least one carriage lift mechanism for raising and lowering said carriage along the workface; d. at least one nozzle carrier mounted on said carriage, said nozzle carrier adapted to move back and forth along the length of said carriage from one edge of the workface to an opposing edge of the workface; e. a carrier drive mechanism for moving said nozzle carrier back and forth along the length of said carriage; f. a high-pressure supply of erosive material; g. at least one nozzle carried by said nozzle carrier, wherein said nozzle is in communication with said high-pressure supply of erosive material so that the erosive material passes through said nozzle; and, h. means for yawing said nozzle about a vertical axis of said nozzle, wherein said nozzle is adapted to emit a jet stream of the erosive material against the workface when the erosive material passes through said nozzle, thereby removing constituent material from the workface.