Agitation units and systems, and dispensing equipment equipped therewith
AssigneePerma-Green Supreme, Inc.
InventorsChristopher Beal, Thomas F. Jessen
Life of this patent
Estimating the term…
Abstract
An agitation unit for use in a lawn spreader and other dispensing equipment, and oscillating agitation systems therefor comprising such an agitation unit. The agitation unit includes a hub, an arm extending from the hub, and an extension on the arm configured to project downwardly to an extent relative to the arm and the hub to protrude into, but not through, the outlet passageway of the hopper.
Claims8
An agitation unit for use in dispensing equipment comprising a hopper, an impeller located beneath the hopper and operable to spread a dry granular material deposited on an upper surface thereof, at least one outlet passageway in the hopper through which the granular material drops from the hopper onto the impeller, a rotating shaft, and an oscillating agitation system having a cam on the rotating shaft, the agitation unit comprising:
- a hub;
- a plurality of arms extending in radial directions from the hub and at least some of the plurality of arms being non-equiangularly spaced from each other about the hub;
- and
- an extension on at least an individual arm of the plurality of arms and configured to project downwardly to an extent relative to the individual arm and the hub to protrude into, but not through, the outlet passageway of the hopper.
Dependencies are inferred from the claim text.