| 摘要 |
A machine for continuously forming roll bales of crop material has a lower apron and forward and rearward upper aprons cooperating to define front and rear bale forming chambers. Pivoting arms move the forward upper apron between various positions during bale formation. Ramps extend upwardly above the lower apron in an operative position, and the ramps are also movable to an inoperative position. An actuator mechanism is interconnected between the arms and the ramps to cause movement of the ramps between the operative and inoperative positions in response to movement of the forward upper apron between its various positions.
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