Floating dredge design

Claim 1

A DREDGE COMPRISING A HULL, AN UPPER LADDER, A FIRST PIVOT CONNECTING ONE END OF SAID UPPER LADDER TO SAID HULL, A LOWER LADDER, A SECOND PIVOT CONNECTING ONE END OF SAID LOWER LADDER TO THE OPPOSITE END OF SAID UPPER LADDER, HOIST MEANS OPERABLE TO CONTROL THE DEPTH AND ANGLE OF SAID LOWER LADDER RELATIVE TO SAID HULL, A FIRST INDICATOR, A CONNECTION BETWEEN SAID UPPER LADDER AT A POINT SPACED FROM SAID FIRST PIVOT AND SAID FIRST INDICATOR MOVING SAID FIRST INDICATOR VERTICALLY RELATIVE TO SAID HULL AS SAID UPPER LADDER PIVOTS RELATIVE THERETO, A SECOND INDICATOR ON SAID HULL, OPERATING MEANS CONNECTING SAID LOWER LADDER AND SAID SECOND INDICATOR MAINTAINING A FIXED RELATIONSHIP BETWEEN THE POSITION OF SAID SECOND INDICATOR RELATIVE TO SAID HULL AND THE ANGLE OF SAID LOWER LADDER, A POWER DRIVEN ENDLESS BUCKET CHAIN, AND MEANS GUIDING SAID CHAIN ALONG SAID LOWER LADDER FOR DREDGING AND UP ALONG SAID UPPER LADDER TO SAID HULL TO CARRY DREDGED MATERIAL TO SAID HULL.