| 摘要 |
<p>The attachment connects a windscreen wiper blade (1) to an arm (8). The blade has a pivot pin (5) for the free end (9) of the arm which is in the form of a U, flanged on each side (10,11) with a circular aperture (12). The free end (7) of the pin has one or more cavities or grooves to retain a horse shoe shaped or L-shaped spring-clip. The free end of the pin can have axial and diametral cavities and a longitudinal groove to retain the free ends and curved head of the spring.</p> |
