Patent ID: 7392869

Claim:
A riding mower, comprising: a frame adapted to support a passenger; a reel-type cutting unit connected to the frame and having a plurality of rotatably mounted reel blades; a power unit support fixedly connected to the frame; a power unit support assembly adapted for interchangeably supporting a power unit, the power unit support assembly being releasably connectable to the power unit support; an electric motor adapted to rotate the plurality of reel blades of the reel blade cutting unit; an output voltage operably generated by the power unit being operable to energize the electric motor; and one of an engine unit and a battery unit being selectable as the power unit, said engine unit and battery unit coupled with said power unit support assembly so that said engine unit or battery unit can be interchanged for the other to provide either engine power or battery power as desired to act as the power unit, and a mechanism for generating the output voltage, said output generating mechanism coupling with the engine unit or the battery unit to generate the output voltage.