Earth working – Lawn aerator or perforator – or plug remover – Earth removing
Patent
1999-12-17
2000-11-07
Novosad, Christopher J.
Earth working
Lawn aerator or perforator, or plug remover
Earth removing
A01B 4502
Patent
active
061422401
ABSTRACT:
A core harvesting machine that can be mounted to the rear of a conventional aeration machine to receive green cores directly from the aeration machine without having the cores discharged to the ground. The core harvesting machine has a rotating brush core capturing system that collects green aeration cores directly from an aeration machine to which the core destroying machine is attached. The collected green cores are discharged from the brush collector system and received by a core destroying apparatus including three rotary paddle assemblies co-operating with corresponding arcuate screens to separate the earthen material from the root thatch before discharging the thatch into a collector vessel. The core harvesting machine includes paddle members having overlapping arcs of rotation that have a relatively flat side and an opposing bent side to enhance the operation of the machine is either mode of operation. The overlapping paddles eliminate dead spots on the machine, including sweeping the adjacent paddles during rotation, to prevent any major build-ups of dirt and debris.
REFERENCES:
patent: 2243650 (1941-05-01), Poll
patent: 5002453 (1991-03-01), Shigehisa
patent: 5069293 (1991-12-01), St. Romain
patent: 5178221 (1993-01-01), Hamawaki et al.
patent: 5423386 (1995-06-01), Lapearous
patent: 5816336 (1998-10-01), Underhill
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