| 摘要 |
A mower is disclosed that can be coupled to a tractor and can be brought into a work configuration, a manoeuvring configuration, and at least one transport configuration using an unfolding and folding device (3). The mower has a supporting structure (4) that can be coupled to the tractor and which bears a support beam (5) to which there is articulated a cutter bar (2). The unfolding and folding device comprises; a tilting element (7) articulated to the support beam and connected to the supporting structure via an articulated support; a link rod (8) articulated to the cutter bar; a double acting hydraulic jack (6) having a piston and being positioned between the tilting element and the link rod; a safety arm configured to block a movement of the link rod in the manoeuvring configuration; and a protector configured to block a movement of the piston in the manoeuvring configuration.
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