Patent ID: 6802175
Filing Date: 2004-10-12
Classification: A01D

Abstract:
A battery powered lawnmower comprising:a traction unit supportable on turf and moveable thereon; a first electric motor operable to power said traction unit along said turf; a grass cutting unit connected to said traction unit for pivotal movement therewith, said grass cutting unit moveable with said traction unit in a forward cutting direction, said grass cutting unit having a length extending transverse to said cutting direction, said length having opposite ends; a ground engaging roller rotatably coupled to said grass cutting unit and extending transversely to said cutting direction, said ground engaging roller in constant contact with said turf thereby pivoting said grass cutting unit at each said opposite end and translating said grass cutting unit vertically relative to said turf along said length thereof in response to undulations in said turf; a second electric motor operable to power said grass cutting unit; a battery removably disposed on the lawnmower and communicating with said first and second electric motors; and at least one connector interconnected between said traction unit and said grass cutting unit for limiting downward travel of said grass cutting unit with respect to said traction unit.