Patent ID: 6725637
Filing Date: 2004-04-27
Classification: A01D

Abstract:
An improved water craft for reducing aquatic plant infestation, said water craft comprising:(a) a hull having an intake port at the bow end of the craft whereby aquatic plant laden water enters the craft; (b) an exhaust port whereby water and mulched aquatic plants are discharged; and (c) at least one array of cutting blades, rotatably disposed between said intake and said exhaust ports for mulching solid matter in the water passing from said intake port to said exhaust port; wherein the improvement comprises at least two vertically-oriented cutter spindles and a positionable, interchangeable blade assembly disposed at said intake port, said assembly is enabled to be raised, lowered and tilted, and is configured to be interchanged in the water for an alternate blade assembly; and a cutter blade design comprising a staggered, angular configuration of cutter blades, an intermeshed horizontal blade configuration, a horizontal, swivel-mounted configuration, or combinations thereof.