Title: Aquatic weed cutter, de-rooter and harvester

Abstract: Apparatus for cutting, de-rooting and harvesting of aquatic weed growth is disclosed. The apparatus is of modular construction for ease of land transportation and includes a cutting and de-rooting head assembly which is carried by extensible framing for proper positioning on the bed of a river or lake. The head assembly has weed severing means and scrubbing, polishing means in the form of vortex generators and may include lake bed scarifying means to assist in de-rooting weed growth. Cut weeds and weed fragments are contained in a vertically extensible curtain containment chamber from which they are loaded into a trailing hopper.

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Inventors: Stewart, Errol G.

Application Number: 921560
Filing Date: 1978-07-03
Publication_date: 1980-05-13
Assignee:
Primary Class(es): 56/9 37/323
Other Classes:
US Patent Ref:

418000	Dec, 1889	Fletcher	37/78.
1344626	Jun, 1920	Ellis	56/9.
2429044	Oct, 1940	Bassett	171/64.
3295231	Jan, 1967	Talbott	56/8.
3402487	Sep, 1968	Vaughan et al.	37/78.
3407577	Oct, 1908	Fiske	56/8.
3477213	Nov, 1969	Just et al.	56/9.
3596444	Aug, 1971	Beattie	56/9.
3599354	Aug, 1971	Larson	56/8.
3765156	Oct, 1973	Porter	56/8.
4070978	Jan, 1978	Virgilio	37/71.

Other Refs:
Primary Examiner: Kinsey, Russell R.
Assistant Examiner: Hirsch, Paul J.
Attorney: