| 摘要 |
A disc plow having a stump jump capability. The plow includes a frame and at least one trailing arm secured thereto. The trailing arm supports at least one concave disc thereon. In use, the concave disc attached to the trailing arm has a working position in which the concave side of the disc is inclined so as to be open to any approaching soil and, a release position in which the concave side of the disc is directed at right angles to a forward to rearward alignment of the plow.
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