| 摘要 |
<p>The present invention relates to a chop sawing machine comprising a base (2) defining at least one work table (3) for support of at least one workpiece, at least one work head pivotally associated with the base, movable relative to the work table at least between a configuration that is close to the work table and a configuration moved apart therefrom and provided with a rotary- circular blade (6) at least partly emerging from the head and exposed for cutting the workpiece; guard means for at least one exposed portion of the blade from the work head; the guard means being pivotally associated with the work head for progressive exposure of said blade during cutting of the workpiece; the guard means comprises at least one first guard element (9) for the lower portion of the blade distal from the hinging point of the work head on the base and at least one second guard element (14) for protection of the lower portion of the blade proximal to the hinging point, the particularity of which consists in comprising means (15) for displacement of the fulcrum of rotation (16) of the second guard element' (14).</p> |
