Towed agricultural apparatus having support arm for controlling movement of working implement of the agricultural apparatus

A towed agricultural implement comprising a frame for towing by an agricultural vehicle, a displaceable arm pivotally connected toward a first end to the frame, a depending portion pivotally connected at a first end of the depending portion to a second end of the displaceable arm, and a working implement carried from a second end of the depending portion in which a support element is located between the first end of the displaceable arm and the frame to control movement of the working implement between a working position and a transport position by way of a headland position, the frame comprising a working surface, wherein the support element comprises:

• an elongate main body portion with an end portion, the main body portion comprising a lower surface and an inner arcuate surface connected to the lower surface of the main body portion,
• a bridge segment separated from the main body portion by a bracket, wherein the bridge segment has two parallel elements supported from the lower surface of the main body portion, each of the parallel elements having a lower surface spaced from the lower surface of the main body portion;
• a first displaceable finger element comprising a contact surface and an opposed support surface, wherein the first displaceable finger element is located between the lower surface of main body portion and the lower surfaces of the parallel elements;
• and
• a second displaceable finger element comprising a first contact surface and an opposed support surface, wherein the second displaceable finger element is located between the inner arcuate surface and the lower surfaces of the parallel elements;
• wherein movement of the working surface along the lower surface of the main body portion, the inner arcuate surface, and the lower surfaces of the parallel elements controls movement of the working implement between the working position and the headland position.