Patent ID: 6928798

Claim:
A rotary lawn mower comprising: a frame supported by front wheels and at least one rear wheel for movement over the ground; at least one rotary cutting deck assembly; a lifting system coupling said at least one rotary cutting deck assembly to said frame, said lifting system operable to lift and pivot said at least one rotary cutting deck assembly about a generally vertical axis between a first position generally below said frame and a second position generally to a side of said frame, said lifting system having a support bracket assembly pivotally coupled to said frame for movement about said generally vertical axis, a telescoping arm pivotally coupled between said support bracket assembly and said at least one rotary cutting deck assembly, and an actuator pivotally coupled between said support bracket assembly and said telescoping arm, said actuator operable to move said at least one rotary cutting deck assembly between a non-cutting position and a cutting position, said support bracket assembly having a pivot bracket fixedly mounted to said frame, said pivot bracket having a sleeve; a first pivot member having a pivot pin downwardly extending therefrom, said pivot pin being disposed within said sleeve of said pivot bracket, said first pivot member supporting said actuator; a second pivot member having a sleeve, said second pivot member receiving said pivot pin extending from said pivot bracket, said second pivot member supporting said telescoping arm; and a locking device retaining said pivot bracket, first pivot member, and second pivot member in an assembled configuration.