Patent ID: 8387998

Claim:
A steering mechanism for first and second outboard pivotal components and a central pivotal component of a mobile work machine, said steering mechanism comprising: first and second steering arms extending from said first and second pivotal components so that movement of ends of said steering arms causes said first and second components to pivot; a central steering arm extending from said central pivotal component so that movement of an end of said central steering arm causes said central component to pivot; first and second links having a pivotal connection with the ends of said first and second steering arms to provide joint pivoting of said first and second steering arms; first and second actuators respectively connected to said links adjacent the pivotal connection with said steering arms to provide pivoting movement thereof, and a pivotal connection to the end of said central steering arm between said first and second links at mid points thereof, said pivotal connection to the end of said central steering arm accommodating a change in radius with the pivoting of said central steering arm.