US Patent 7475527 Aqua weed tiller

An aqua tiller device. The device includes a hollow, liner body member having interior and exterior surfaces and open ends. A plurality of tine members, each having an L-shaped end, protrude radially from the body member with the L-shaped end opposite thereto. A linear, axle member is positioned within the hollow, linear body member and extends beyond the ends thereof. An end cap member is attachable at each end of the body member. The end cap members each have an aperture therein allowing the axle member to protrude there through and rotate therein. An eye bolt assembly is rotatably attached at each end of the axle member. The eye bolt assemblies are attached to of a length of rope for moving the weed tiller device over a submerged surface. The hollow, linear body member and end cap members are adapted for receiving fill material for adding weight to the weed tiller device.