Patent ID: 7743843

Claim:
A marker assembly for use with an agricultural implement to place a marker furrow in a surface, comprising: a marker frame having a set of interconnected frame sections, wherein adjacent frame sections are pivotable with respect to one another; wherein the set of interconnected frame sections include an inner frame section having a parallel link; a central frame section having a parallel link and an outer frame section; a first and second actuator configured to fold the frame sections to place the marker frame in a stow position and extend the frame section to place the marker frame in a working deployed position; and a support wheel connected to the marker frame and configured to support the marker frame above the ground when in a non-transport position, and wherein the support wheel is configured to caster; wherein said parallel link of inner frame section and said parallel link of central frame section maintains vertical orientation of the support wheel until said inner frame section, said central frame section and said outer frame section are in a adjacent and parallel position in relation to each other in an substantially vertical position; wherein said second actuator lowers the said marker assembly to a horizontal folded position for transport.