| 摘要 |
The invented reversible plough supporting wheel (6) is mounted on an arm (5), which is mounted on a plough frame (1) in swingable manner about a first axis (2) extending substantially transversely to the direction of travel and in the plough working position being arranged substantially horizontally and at the same time swiveling about a second axis (4) that is perpendicular to the first axis (2) and extending substantially in vertical direction. The supporting wheel arm (5) is coupled with a supporting bracket (8) of the plough frame (1) through the mediation of a pull member (7). The supporting wheel (6) is mounted through the mediation of the supporting bracket (8) on the plough frame (1) sideways and the pull member (7) is attached to the supporting bracket (8) via an arresting mechanism (11), containing blocking means of the second axis (4) in working position and releasable for turning the plough.
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