Turf aerator
AssigneeSchiller-Pfeiffer, Inc.
InventorLarry Classen
Life of this patent
Estimating the term…
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.
Claims3
A turf aerator comprising a frame, motor means for driving the aerator, first, second and third aerator shafts rotatively mounted in said frame in axial alignment with each other, each having a plurality of tines mounted thereon for aerating the turf, said second aerator shaft being disposed intermediate said first and third aerator shafts and mounted in said frame for free-willing operation, said second aerator shaft including at least a first tine assembly and a second tine assembly independently, rotatably mounted thereon and drive means operatively connected between said motor means and said first and third aerator shaft for selectively driving either the first aerator shaft or the third aerator shaft or both the first and third aerator shafts simultaneously.
Dependencies are inferred from the claim text.