| 摘要 |
An attachment arm pivotally mounted on a combine to project forwardly from below the sickle cutter for limited vertical swinging movement to accommodate ground surface irregularities, wherein the arm is detachably pivoted to an individual sickle guard unit by structure spaced from and independent of the detachable connection of the guard unit to the combine, whereby the sickle guard unit serves to couple the arm to the combine in addition to its customary function, and enables the arm to be pivotally secured to and removed from the combine without disturbing the connection of the guard unit to the combine.
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