Harvesters – Marine
Patent
1992-02-10
1993-04-13
Melius, Terry Lee
Harvesters
Marine
56260, 56299, A01D 4400
Patent
active
052011682
ABSTRACT:
An underwater lake weed cutting apparatus which is adapted to be driven by an electric auger motor from the rear portion of a boat. The weed cutting apparatus includes an elongated drive shaft extending through an elongated tubular housing, wherein the drive shaft is driven by the motor to consequently reciprocate a sickle bar at a lower end thereof. A geared driving mechanism converts rotary motion of the drive shaft to a reciprocating motion of a sickle bar to reciprocate a first elongated toothed cutting blade with respect to an identical second toothed cutting blade to generate a scissors action. The scissors action of the sickle bar severs lake weeds as the apparatus is swept through the water proximate the lake bottom by a boat. The cutting apparatus can be adjusted to various depths of water to facilitate cutting lake weeds proximate the root structure near the lake bottom. The invention provides a mechanized method of cutting lake weeds such that the task of cutting lake weeds requires less labor, and wherein the cutting apparatus is easily maneuverable around fixed structures such as docks. The invention comprises mostly aluminum steel parts such that it is relatively light weight. Since the sickle bar comprises reciprocating blades, weeds do not have attendancy to build up upon the cutting apparatus. The invention is portable and can be adapted to the front wall of a boat as well, and further, the cutting apparatus can be angled from the boat at a preselected angle to facilitate viewing the cutting blades as they are swept through the lake to cut the weeds.
REFERENCES:
patent: 3499271 (1970-03-01), Drigert et al.
patent: 4196566 (1980-04-01), Donnelley
patent: 4202155 (1980-05-01), Stewart
patent: 4375299 (1983-03-01), Laven
patent: 4416106 (1983-11-01), Hawk
patent: 4718871 (1988-01-01), Mendelevitch
patent: 4885902 (1989-12-01), Schmidt
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