| 摘要 |
Folding agricultural spray boom. The boom, comprising a central boom element and two side half-booms 4, each suitable for being folded along a carrier machine, is characterised in that each half-boom consists of three successive elements 6, 7, 8, which are articulated to one another about articulations 9, 10 parallel to the direction of advance, driving means 13 being provided for tilting the intermediate element 7 with respect to the inner element 6, and passive coupling means 17, for example a cable, being provided between the inner element 6 and the outer element 8 in order to tilt the latter with respect to the intermediate element 7 when the latter tilts with respect to the inner element 6. <IMAGE>
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