Patent ID: 7575063
Filing Date: 2009-08-18
Classification: A01B

Abstract:
1. An aerator comprising: an aeration subassembly movably coupled to a frame and having an aeration tine mounted to a tine rack, the aeration tine being operable to form an aeration pocket in a ground surface; and a gear system that is adjustable between a first timing position and a second timing position, the gear system being coupled to the aeration subassembly to guide at least a portion of the aeration tine's motion to penetrate and exit the ground surface at different orientations when forming the aeration pocket; wherein, when the gear system is adjusted to the first timing position, the aeration tine is operable to contact the ground surface; and wherein, when the gear system is adjusted to the second timing position, the aeration tine is operable to avoid contact with ground surface.