Earth working – Lawn aerator or perforator – or plug remover – Earth removing
Patent
1980-02-14
1982-04-27
Shapiro, Paul E.
Earth working
Lawn aerator or perforator, or plug remover
Earth removing
A01B 4502
Patent
active
043265910
ABSTRACT:
A soil penetrating and coring implement is provided and is adapted to be towed by a vehicle across the round surface to remove plugs of soil from the ground. The coring implement comprises a tubular and cylindrical rim having a plurality of circumferentially extending slots formed through it and the slots are both circumferentially and axially spaced from each other. The entire rim is rotatably mounted on an axle which in turn is connected to the towing vehicle. A plurality of elongated mounting assemblies are pivotally secured within the interior of the rim so that the mounting assemblies are circumferentially spaced about the interior of the rim and have their axes parallel to but radially spaced from the axis of the rim. A plurality of tubular coring elements are secured to each mounting assembly so that each coring element extends diametrically through and radially outwardly from one side of the tube. Each coring element registers with and extends through one of the rim slots so that the coring elements protrude radially outwardly from the rim.
REFERENCES:
patent: 2042597 (1936-06-01), Hargreaves
patent: 2845015 (1958-07-01), Carawan
patent: 3264877 (1966-08-01), Boxrud
patent: 3331249 (1967-07-01), Boxrud
patent: 3429378 (1969-02-01), Mascaro
patent: 3643746 (1972-02-01), Dedoes
patent: 4081034 (1978-03-01), Hines
patent: 4148362 (1979-04-01), Orth
Dedoes Industries, Inc.
Shapiro Paul E.
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