| 摘要 |
<p>A cutting-edge member (A, B, C) for scraper blades having means (19, 23) for interlocking engagement with adjacent like cutting-edge members (A, B, C), each cutting-edge member (A, B, C) being adjustable and reversible in position relative to said adjacent like cutting-edge members (A, B, C), said means for interlocking comprising non-tapered angled dovetailed members (21, 23, 224) spaced along each side (17, 18, 20, 21) of each cutting-edge member and being separated by recesses (19, 25, 219), each dovetailed member (21, 23, 224) being of a size and shape the same as each of said recesses (19, 25, 219).</p> |
