Earth working – Lawn aerator or perforator – or plug remover – Earth removing
Patent
1984-01-13
1986-04-29
Hafer, Robert A.
Earth working
Lawn aerator or perforator, or plug remover
Earth removing
111 4, 294 50, 294 507, A01B 4500, A01B 4502, A01C 1100, A01D 906
Patent
active
045850720
ABSTRACT:
An improved tool for removing weeds and for planting plugs of grass is provided with an elongated, upright sleeve having a hollow chamber at the lower extremity thereof. A plunger is operated to pass through the chamber by means of an elongated handle extending upwardly through the sleeve. The plunger is positioned over weeds or other undesirable vegetation and the walls of the chamber are pushed into the soil to surround the root system of the weeds and to define a plug of soil. The tool is then lifted from the soil, carrying with it the weed with the plug of soil containing the root system of the weed intact. The handle is operated to push the plunger through the hollow chamber to eject the plug of soil and the weeds carried therewith.
REFERENCES:
patent: 806838 (1905-12-01), Raymond
patent: 1692436 (1928-11-01), Deane
patent: 1783026 (1930-11-01), Ober
patent: 1939897 (1933-12-01), Hill
patent: 2531297 (1950-11-01), Rose
patent: 2768570 (1956-10-01), Strid
patent: 3123391 (1964-03-01), Novak
patent: 3210112 (1965-10-01), Glynn
patent: 3273930 (1966-09-01), Gottfried
patent: 3444938 (1969-05-01), Ballmann
patent: 3927720 (1975-12-01), Rauch
Brown Terrence L. B.
Hafer Robert A.
Thomas Charles H.
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