Earth working – Lawn aerator or perforator – or plug remover
Patent
1988-01-11
1988-12-20
Stouffer, Richard T.
Earth working
Lawn aerator or perforator, or plug remover
111 99, 172379, A01B 116, A01B 4502
Patent
active
047919957
ABSTRACT:
A manual tiller, mulcher and weeder tool has an elongated upright handle having its lower end connected to a horizontal top plate which has a series of diamond-headed tines extended downwardly in parallel spaced apart relation from the underside of the top plate. A cleaning plate has a series of holes aligned with the tines for vertical sliding movement of the cleaning plate on the tines. Compression springs mounted on selected tines urge the cleaning plate to a lowered position adjacent the tine heads.
REFERENCES:
patent: 827884 (1906-08-01), Ritter
patent: 1893258 (1933-01-01), Washburn
patent: 1965177 (1934-07-01), Finkl
patent: 2020571 (1935-11-01), Pick
patent: 2747528 (1956-05-01), Hunkins
patent: 3168150 (1965-02-01), Kappler
patent: 3180427 (1965-04-01), Leeper, Jr.
patent: 4244308 (1981-01-01), Vince
patent: 4511004 (1985-04-01), Deneen
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