Patent ID: 7318311

Claim:
A lawn mower comprising: at least one cutting blade for cutting grass; first and second drive wheels; a cutter deck assembly and an engine deck, the engine deck supporting an engine that drives the at least one blade for cutting grass; a handle control assembly including at least a right hand lever and a left hand lever for allowing an operator to steer the mower by controlling the speed and direction of the first and second drive wheels; and a deck lift system for raising together each of the cutter deck assembly, engine deck, engine, and handle control assembly relative to a frame of the mower in changing a cutting height of the mower, said deck lift system comprising a lift handle, a port side rear deck lift torsion member, a starboard side rear deck lift torsion member, a bar interconnecting at least the port side and starboard side rear deck lift torsion members, and at least one elongated link extending in a forward/aft direction so as to move along with at least one of the torsion members, a front weldment that pivots relative to the frame, the front weldment including a port side front deck lift bracket, a starboard side front deck lift bracket, and a bar provided between and connecting the port side and starboard side front deck lift brackets so that the port side front deck lift bracket, starboard side front deck lift bracket and the bar of the front weldment move together in unison during operation of the deck lift system.