Apparatus for synchronizing the steering disc and row follower means of a row crop implement

In combination with a row crop implement including an elongated tool bar, lift means for raising and lowering said tool bar between a lowered working position and an elevated transport position, and a steering apparatus on the tool bar comprising a steerable coulter disc, a row follower means movable to a neutral position when the tool bar is transversely aligned relative to the crop rows, and a steering means for steering said coulter disc in response to movement of the row follower means from said neutral position, said row follower means and coulter disc being disposed in synchronized relation when said row follower means is in said neutral position and said coulter disc is positioned for straight ahead movement of the implement, the improvement comprising,

• first means for moving said row follower means to the neutral position therefor in response to raising movement of said tool bar to the elevated transport position therefor,
• second means for disabling and enabling said steering means, and
• third means for steerably positioning said coulter disc, when said steering means is disabled and said tool bar is in the elevated transport position therefor, for straight ahead movement of the implement whereby said row follower means and coulter disc are disposed in synchronized relation upon enablement of said steering means.