| 主权项 |
1. A toolbar implement with steering tracks for connection to a tractor and for connection of a plurality of row units, the toolbar implement comprising:
(a) a main longitudinal frame; (b) a transverse axle assembly having two ends; (c) a lift arm assembly pivotably connected to the frame and pivotably connected to the axle assembly for raising or lowering the frame relative to the axle assembly, the pivoting connection of the lift arm assembly to the axle assembly defining a transverse vertical plane; (d) a control arm pivotably connected to each end of the axle, each control arm having a spindle, the pivoting connections of the control arms defining vertical axes, both vertical axes being in about the vertical plane defined by the pivoting connection of the lift arm assembly to the axle assembly; (e) a track assembly connected to each spindle; and (f) a steering mechanism extending between the control arms. |
