Patent ID: 7571591

Claim:
A tow behind mower attachment system comprising: a push mower having a mower deck with four wheels including a right front wheel having a right front axle, a left front wheel having a left front axle, a right rear wheel having a right rear axle and a left rear wheel having a left rear axle, said push mower having unmodified wheel and axle surface features defined by said four wheels, said right front axle and said left front axle, said right rear axle and said left rear axle; an attachment assembly having caster mounts and caster wheels connected to said caster mounts for pivoting relative to said attachment assembly; and push mower connector means with an engagement interface with a shape complementary to one or more of said wheel and axle surface features for engaging said one or more of said wheel and axle surface features for connecting and fixing said attachment assembly to said push mower via one or more of said wheel and axle surface features whereby said push mower as an unmodified mower may be used with the attachment assembly via said push mower connector means.