| 摘要 |
<p>TWINE WRAPPER FOR ROUND BALE FORMING MACHINE There is provided a crop material roll forming machine having a frame, means on the frame defining a roll forming region, a dispensing mechanism mounted on the frame and movable from a rest position across the roll forming region to dispense material for wrapping a bale in use formed in the machine, means connected to the dispensing mechanism and operable to urge the dispensing mechanism in one direction, and control means also connected to the dispensing mechanism and operable to move the dispensing mechanism in a direction opposite to that of said means said means being disposed relative to the dispensing mechanism that during part of the dispensing movement of the dispensing mechanism said means act through a moment arm of a length greater than that pertaining during the remainder of the dispensing movement.</p> |
