| 摘要 |
<p>The blade assembly consists of a flexible part (1) supported by an arm (6). The blade has a series of openings (4, 5) on part or the whole of its length and at least part of its thickness. The openings are of different shapes and numbers and are formed in the hinge section joining the blade lip (3) to the blade body (2). The openings are made at the bottom of longitudinal grooves in the blade and particularly for fixing the blade to the clip joining it to the arm.</p> |
