US Patent 10112713 Back mounted flight machine

A back mounted flight machine comprises a frame comprising a connecting bracket, a pair of lateral arms extending from the connector bracket, and an engine mounted on each of the lateral arms in a selected position. A harness is mounted on the connecting bracket of the frame between the pair of lateral arms. Further, a fastening mechanism is provided for connecting the harness to the connecting bracket to permit relative movement between the harness and the frame in a plurality of orientations.