Agricultural machine with foldable extension arm

摘要

An agricultural machine for working soil or for sowing seeds, including a trailed chassis and work elements distributed over a transverse beam including a central section including wheels and two side sections extending on either side of the central section during work, each end of the central section resting on the ground via a wheel. Each side section includes an extension arm and an intermediate arm, the extension arm is connected to the intermediate arm by a horizontal articulation with a substantially horizontal axis and is directed in a direction of advance at work and each intermediate arm is connected to the chassis via a vertical articulation and carries at least one work element.

主权项

1. An agricultural machine for working soil or for sowing seeds, comprising:
a trailed chassis; and work elements distributed over a transverse beam including a central section including wheels and two side sections extending on either side of the central section during work, wherein each end of the central section rests on ground via one of the wheels, wherein each side section includes an extension arm and an intermediate arm, the extension arm is connected to the intermediate arm by a horizontal articulation with a substantially horizontal axis and s directed in a direction of advance at work, and each intermediate arm is connected to the chassis via a vertical articulation and carries at least one of the work elements, wherein each work element of the intermediate arm is mounted on the intermediate arm by a respective support, and wherein the extension arm extends past the horizontal articulation towards the intermediate arm to contact the support of one of the work elements of the intermediate arm.