| The drag tine harrow is mounted on the seed drill by means of a parallelogram frame. |
| This caused a deflection, which if it be analyzed, both directions taken together would be found to be a parallelogram of forces. |
| Thanks to the new design of the parallelogram, the rear derailleur is now lighter and more rigid, with the most effective and fastest shifting. |
| A pantograph, four light rigid bars in a parallelogram, may be used to cause the cutter to follow a certain layout. |
| Each vertex triangle of the octagon is a vertex triangle of one such parallelogram. |
| Infeed table moved by parallelogram connecting rods, to adjust stock removal with maximum precision. |
