E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
262/30
E02F 5/28 (2006.01)
Patent
CA 1074817
SELF-PROPELLED DREDGING APPARATUS Abstract of the Disclosure An improved self-propelled floating dredging apparatus including a buoyant hull structure carry- ing a pilot house and engine compartment. The buoyant hull comprises a pair of longitudinally aligned parallel pontoons to provide flotation. A rigid boom structure extends forwardly from the medial portion of the hull structure and is adapted to pivot about a horizontal axis, from a horizontal position to a submerged position, in response to the action of a pair of power cylinders and an interconnecting linkage. A diesel engine in the engine compartment drives a centrifugal dredging pump and a hydraulic fluid pump. A hydraulically driven, steerable water jet propul- sion assembly is mounted on a transom at the aft end portion of the hull structure. A hydraulically driven cable winch mechanism is also mounted on the hull structure. An improved hydraulically driven dredging head is mounted on the forward end of the boom structure and employs enlarged cylindrical - surfaces carrying radially outwardly extending cutter blades journaled thereon for rotation about a horizontal axis. A notched cutter bar is mount- ed intermediate a rigid plate and the enlarged cylinders through which the cutter blades closely pass to shred weeds and other fibrous materials encountered by the dredging head.
300629
Davis Glen H.
Maitlen C. Eugene
Maitlen Randall E.
Vaughn Robert H.
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