Trailing arm device and assembly with parallel linkage

A trailing arm assembly for connection with a row unit of an agricultural planter, the trailing arm assembly comprising:

• a planter frame;
• a walking arm assembly operatively coupled to the planter frame and rotatable about a pivot assembly, the walking arm assembly comprising:
• an articulating bracket rotatable about the pivot assembly, and
• wherein the pivot assembly comprises a torsion axle configured to resist a rotation of the articulating bracket about the pivot assembly.

A walking arm assembly for connection to a row unit of an agricultural planter, the walking arm assembly comprising:

• an articulating bracket pivotally connected to the row unit via a torsion axle assembly at a pivot assembly disposed between first and second opposing ends of the articulating bracket;
• a first rotatable implement rotationally mounted toward the first end;
• and
• a second rotatable implement rotationally mounted toward the second end;
• wherein the torsion axle assembly comprises a biased axle configured to resist a rotation of the articulating bracket about the torsion axle assembly.