Patent ID: 8161720

Claim:
A grass treatment unit adapted to fit a walk behind greensmower from which a cutting head powered by a transmission drive shaft has been removed, said greensmower having right and left transport wheels for attachment to an axle, said grass treatment unit comprising a frame with sidewalls and at least one connecting cross member adapted to mount a rotatable shaft, said frame mountable by the connecting cross member as a replacement for the cutting head, a coupler adapted to connect the transmission drive shaft to a drive pulley mounted on the outside of one of the sidewalls, said one of the sidewalls being the pulley side of the frame, a driven pulley mounted on the outside of the sidewall on the pulley side of the frame and adapted to be connected to the rotatable shaft, said drive and driven pulleys connected with a belt, and a hub with an axle hub wheel extension, said hub adapted for attachment to the transport wheel on the pulley side of the frame, said axle hub wheel extension adapted for attachment to the axle, said axle hub wheel extension spacing the transport wheel on the pulley side of the frame out a distance to accommodate the drive and driven pulleys.