| 摘要 |
A longitudinal length adjustable header made up of a center section and two end sections moveably attached to the center section. The center section has an “L” shaped cross section and at least two longitudinal slots that are adapted to receive bolt means there through. The end sections have a plurality of apertures that align with the slots in the center section and are adapted to receive bolt means there through. The end sections are longitudinally slidable with respect to the center section whereby enabling adjusting the length of the header. |
