US Patent 7473171 Molded spreader disk

A spreader bat disk for a spreader assembly that has a drive linkage operable to rotatably drive attachments thereto, the spreader bat disk being formed or molded as a unitary construction that includes a web portion, preferably of a generally circular configuration, having a top surface and an essentially flat bottom surface, with a plurality of integral radially distributed spreader blades projecting upwardly from the top surface, and which is configured to be operatively connectable to the drive linkage of the spreader assembly to be rotated thereby to spread material provided thereto.