Patent ID: 7610975
Filing Date: 2009-11-03
Classification: A01D,Y10S

Abstract:
1. An electrically driven turf maintenance machine, which comprises: (a) a frame; (b) a plurality of ground engaging wheels attached to the frame for supporting the frame for movement over the ground; (c) at least one electric motor operatively connected to at least one of the ground engaging wheels for propelling the wheel to provide traction for the frame; (d) a plurality of reel cutting units carried on the frame for mowing grass, wherein each reel cutting unit comprises a rotatable cutting reel that sweeps grass against a sharpened bedknife for cutting the grass; (e) a plurality of electric motors for driving the plurality of reel cutting units with at least one electric motor being carried on each reel cutting unit for powering the rotatable cutting reel of each reel cutting unit; and (f) an electric drive system carried on the frame for providing electric power to the electric motors, the electric drive system comprising: