| 摘要 |
<p>A support device for supporting a log (1) advancing through a frame saw (3) and taking up the forces from the saw blades, comprises supporting elements (4) adapted to be resiliently pressed into contact with the log (1) with a predetermined force, and to be locked during the entire working stroke of the saw blades, said elements (4, 17) being releasable during at least a part of the return stroke to allow the elements to adapt themselves to the varying shape of the advancing log.</p> |
