| 摘要 |
Apparatus for adjusting the height of a tool particularly for gardening vehicles, comprising front wheels whose height can be adjusted on corresponding supports that are rigidly coupled, at the front, to a housing suitable to form the chassis of the tool, the apparatus comprising: a rear linkage, which is articulated in a lower region with respect to the protective housing of the tool, a crank arranged above the housing along the tool advancement direction, with a front end articulated above the housing and a rear end articulated to the upper end of the linkage, which is rigidly coupled to a support articulated to the chassis of the vehicle, the articulation points of the linkage and the crank and the common axis of rotation of the wheels providing the joints of an articulated quadrilateral constituted by the housing, the linkage, the crank and the wheel supports.
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