| 摘要 |
In a snowplow blade (1), an upper elongated rolling element (S) is associated with a lower elongated knife (8) having a free sliding lower edge, in use, in contact with a surface (2) to be cleared; the knife (8) comprising a plurality of elongated plate portions (12) independent from one another and juxtaposed in a direction (13) transverse to the advancement direction of the blade; at least a guide and slide assembly of relative mobility being interposed between each elongated plate portion (12) and the rolling element (5) to allow at least a translation of the elongated plate portion (12) towards the rolling element (5) against the action of at least one removal elastic block (36) of the late portion (12) from the rolling element 5 itself. |
