Patent ID: 7143836
Filing Date: 2006-12-05
Classification: A01B

Abstract:
1. A soil conditioning rotary reel comprising: an elongate support shaft having first and second opposing ends; a plurality of generally circular support plates rotatably affixed to and uniformly spaced along the length of said support shaft, said plurality of support plates including two end plates, one adjacent to each said first and second ends of said support shaft, each said support plate including a plurality of connection points regularly spaced along the periphery thereof; a plurality of elongate bars affixed to each support plate, said bars each having a formed transverse cross-sectional shape with first and second generally flat portions at each side of a radial portion, and each bar affixed to one of said plurality of connection points on each said support plate such that a generally open face, comprising said radial portion and said first and second generally flat portions, faces generally outwardly; a plane of said first portion of each said bar passing through the forward travel side of said support shaft; and each said bar containing a helical twist and said connection points on said support plates positioned relative to one another on adjacent support plates such that said bars form a helical cutting edge across the width of the reel wherein: said connection points are slots, and said bars fit into said slots.