| 摘要 |
<p>A GROUP (10) FOR COLLECTING LOOSE OR SUBSTANTIALLY FLUID-LIKE MATERIAL (12) COMPRISES A SCRAPING DEVICE (15, 15') SUITABLE FOR CONVEYING SAID MATERIAL (12) TOWARDS AN ELEVATING DEVICE (17) IN TURN SUITABLE FOR COLLECTING SAID MATERIAL (12) AND TRANSPORTING IT UPWARDS. ACCORDING TO THE INVENTION, SAID SCRAPING DEVICE (15, 15') IS ROTATINGLY CONSTRAINED AROUND A VERTICAL AXIS (A) OF SAID ELEVATING DEVICE (17) BY MEANS OF A ROTATING CONNECTING ELEMENT (18) BETWEEN SAID ELEVATING DEVICE (17) AND SAID SCRAPING DEVICE (15, 15').</p> |
