Earth working – Lawn edger – Rolling or driven cutter
Patent
1974-12-05
1977-01-11
Marlo, George J.
Earth working
Lawn edger
Rolling or driven cutter
172 17, 172123, 37 94, 37189, 37 81, 172548, A01D 3500, A01B 2302
Patent
active
040022056
ABSTRACT:
In abstract, a preferred embodiment of this invention is a device for forming and maintaining demarcation boundaries primarily in the field of plant husbandry. The device includes power driven sets of blades spaced from each other on a common axle, with the tips of the blades angled toward each other. The blades are arranged so that a wedge-shaped trench is cut, and the dirt effectively impelled and scattered.
REFERENCES:
patent: 2664807 (1954-01-01), Hedrick
patent: 2718838 (1955-09-01), Schumacher
patent: 3319365 (1967-05-01), Perry et al.
patent: 3483929 (1969-12-01), MacIntyre et al.
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