| 摘要 |
<p>A long stick or a short handle can be used with various differently shaped attachments (10,10a,24). The adapter is assembled of two elements. The first element (1,1a,3,5, 6,7b, 9,15,16,23,30) can be flat or cylindrical and is provided with at least one central slot (3) with inner projections in order to engage with a complementary flat element (4,7,7c,10,10a,17b,18b,20,22,25), either designed in a single layer or assembled of two layers and inserted into a dual slot (3). The attachment (10,10a,24) can also be swivel mounted to a basic element with a stick-shaped rotation axle (8,17).</p> |
