Patent ID: 8979438
Filing Date: 2015-03-17
Classification: A01B,E02D

Abstract:
1. A system for treating a ground surface, comprising: a frame for transporting over a ground surface; an aeration apparatus coupled to the frame, the aeration apparatus comprising a plurality of aeration tines that form aeration pockets in the ground surface when driven to penetrate the ground surface; and a flexible roller system coupled to the frame and including: a plurality of rollers arranged in side-by-side axial positions with each roller having a generally rigid cylindrical surface to contact the ground surface, and a flexible axle member extending through the plurality of rollers such that the flexible axle member flexes in response to the plurality of rollers contacting an undulating portion of the ground surface, wherein the flexible roller system further comprises a plurality of constant force springs extending between the frame and the axle member so as to provide downward forces that urge the flexible axle member toward the ground surface, and wherein the flexible axle member comprises a beam having a generally rectangular cross-sectional shape along its longitudinal length.