Earth working – Lawn aerator or perforator – or plug remover
Reexamination Certificate
2006-02-09
2010-06-08
Will, Thomas B (Department: 3671)
Earth working
Lawn aerator or perforator, or plug remover
Reexamination Certificate
active
07730960
ABSTRACT:
An improved turf aeration device is provided, where the device has a frame having a journalled drive shaft, and the frame is attachable to a pulling vehicle having a power take-off portion; where the device has a power transfer means, attachable between the drive shaft and the power take-off portion, for transferring power from the power take-off portion to the drive shaft; and a plurality of aerator mechanisms operatively attached to the drive shaft and the frame, each aerator mechanism having a lower link member, with a base end and a distal end, where the base end is pivotally attached to the frame; a tine holder pivotally attached to the distal end of the lower link member, where the improvement includes a roller frame rigidly attached to the frame, the roller frame having two spaced apart, and a slideable member adapted to allow limited rotation of the aeration device toward or away from the pulling device.
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Estess Kinsey
Jones Jerry
Knight Harry
Jones Walker Waechter Poitevent Carrere & Denegre, LLP
Mitchell Joel F.
The Toro Company
Will Thomas B
LandOfFree
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