| 摘要 |
<p>The pivotable support frame is for agricultural machines with large working widths, such as harrows, diggers, etc. There are additional paths such as soil breakers where the outer sections are pivoted in toward the centre. During swivelling, an arm (16, 29) which is guided in a circle, a connecting section (18, 31) and one or more springs (20, 33) are tensioned by an amount which balances the weights of the pivot frame (10, 23) with the connected implement (35, 36).</p> |
