Patent ID: 8915182

Claim:
A square baler having a bale case within which crop is compacted by means of a plunger, comprising a discharge outlet at one end of the bale case and an ejector system for advancing bales towards the discharge outlet independently of the movement of the compacting plunger, the ejector system comprising a shuttle assembly mounted in a wall of the bale case for reciprocating movement; a plurality of dogs mounted on the shuttle assembly to engage a bale in the bale case and to advance the bale incrementally out of the discharge outlet as the shuttle assembly reciprocates relative to the bale case, wherein the number of dogs engaging the bales in the bale case is selectable to eject only the last completed bale or both the bales in the bale case; a sensor for sensing bale movement in the bale case, and a control system is provided to select the number of dogs automatically in dependence of a position of the last completed bale in the bale case as indicated by the output of the sensor responsive to bale movement in the bale case.