Earth working – Lawn aerator or perforator – or plug remover – Earth removing
Reexamination Certificate
2006-09-05
2006-09-05
Novosad, Christopher J. (Department: 3641)
Earth working
Lawn aerator or perforator, or plug remover
Earth removing
C172S123000
Reexamination Certificate
active
07100702
ABSTRACT:
A turf aerator is provided with three aligned aerator shafts having aerator devices mounted thereon. The innermost shaft is mounted in a frame for free-willing operation and the two outer shafts are each connected to a motor through selectively controlled hydraulic pumps which in turn are connected to hydraulic motors for driving the outermost shafts selectively or simultaneously with the innermost shaft being mounted for free-willing operation.
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Akin Gump Strauss Hauer & Feld & LLP
Novosad Christopher J.
Schiller-Pfeiffer, Inc.
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