| 摘要 |
<p>A device for holding down and guiding workpiece plates to be machined on a wood working machine and advanced along a straightedge to ensure that the workpiece plates during the feed movement remain with one of their trimmed longitudinal edges in steady contact with the straightedge for the purpose of accurate alignment. The device includes a holding-down and guide member placed by means of a roller exerting a predetermined pressure in close contact with the upper side of a workpiece plate, with the central axis of rotation of the roller and the longitudinal axis of straightedge forming an acute angle as viewed in the direction of feed.</p> |
