| 摘要 |
<p>A device for spraying over a field a liquid, such as herbicides, growth regulating and/or disinfectant substances, etc., which device comprises a boom (10) with spray nozzles moved over the field transversely of the travel direction, which boom (10) is suspended for pivoting in or close to the centre on a mobile support frame (6), wherein the point of suspension is a universal pivot (29,31) which is situated close to the centre of gravity (Z) of the boom, wherein at least a pair of return members (40) are arranged, these being arranged on either side of and at an equal distance from the point of suspension, whereby the stabilizing of the boom is optimalized despite the rotations of the mobile support frame (6). <IMAGE></p> |
