Patent ID: 6131377
Filing Date: 2000-10-17
Classification: A01D,Y10S

Abstract:
In combination with a mower head assembly having vertically adjustable transversely spaced bearing mounts for receiving oppposite terminal ends of a roller shaft, a deep groove ground-contacting roller body comprising:a roller shaft adapted for mounting in said bearing mounts for free rotation therein,a plurality of roller segments carried in abutting relation on said shaft and extending between the terminal ends thereof,means for locking said roller segments in fixed transverse position on said shaft for rotation therewith,each said roller segments having an abutting hub section with at least one raised disc element extending radially outwardly therefrom,each said disc element including opposing frusto conical side surfaces extending radially outwardly from the associated hub section, said side surfaces being inclined so as to converge and join to form a ground-contacting annular ridge edge,said abutting hub sections and said disc elements forming a series of annular grooves in said roller body having angled side walls and a bottom surface,each of said grooves having a radial depth of from 1/2 to 1 inch.