| 摘要 |
A round baler, including a housing and bale wrapping apparatus, the bale wrapping apparatus comprising: a rotating twine supply roll defining a twine strand; a twine dispensing arm presenting the twine strand; a shear bar having a cutting surface; a knife assembly rotatingly connected to the housing by an elongated bar and rotatable from a first position to a second cutting position in contact with the cutting surface, wherein the twine dispensing arm is movable from a first position to a second cutting position wherein the twine strand extends transversely between the shear bar and the knife assembly; and a wiper is mounted to the twine dispensing arm so that when the twine dispensing arm moves from the first position to the cutting position, the wiper engages the cutting surface of the shear bar to clean trash from the cutting surface of the shear bar.
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