| 摘要 |
A cotton boll gleaner is described wherein the elements for contacting the bolls are a plurality of rigid slender rods whereon barbs are randomly fixed, both axially and radially, so that the barbs extend away from the free end. At a point on the rods remote from the free end, the rod is pivotably coupled to an endless belt or chain. The belt revolves by engaging at least three rotating rollers so that there is a portion of the belt between two rollers moving parallel to and close to the ground, and there is another portion, also between two rollers, that is tilted from the vertical so that the rods depend freely from that portion of the belt. The belt preferably is rotated so that the rods move down along this tilted portion. When the rods are on the portion moving parallel to the ground, the rods are dragged along the ground with the barbs pointing forward so that any cotton bolls in their path are gleaned off the ground. When the rods enter the portion moving downward, gravity rotates the rods about a horizontal axis, so that the rods are in a depending position. At this point, when the rods are depending, means are provided to spin the rod 180 DEG about a vertical axis to expose the cotton bolls thereon. An upward-moving brush is provided which now is able to lift and remove each boll from the rods. Before the respective rod passes over the following roller, the rods are spinned back 180 DEG so they are ready to glean more bolls.
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