Aeration device

Details Aeration device Aeration device

2005-10-11

2008-10-21

Will, Thomas B (Department: 3671)

Earth working

Lawn aerator or perforator, or plug remover

Earth removing

C172S001000

Reexamination Certificate

active

07438136

ABSTRACT:
A soil aeration device may include a plurality of arcuate blades mounted to an assembly adapted to rotate and translate the blades proximate a ground surface, thereby forming aeration pockets in the soil. In certain embodiments, the arcuate tines penetrate and fracture the soil while minimizing the amount of soil lifted from the pocket deposited on the top of the soil. In various embodiments, a planetary gear assembly imparts to the tine a translational and rotational movement which creates a fractured pocket in the soil while minimizing the amount of soil lifted from the pocket and deposited on the surface of the soil. In still other embodiments, the arcuate tine may have mounted thereon a coring tube that cuts and removes a plug from the pocket formed in the soil.

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