| 摘要 |
<p>The fastening device has a sprocket assembly (1), an annular element, a threaded element, a first knurling tool element (5) placed at annular element, and a second knurling tool element placed at threaded element. The knurling tool elements are connected together to form a knurled tool gearing. The sprocket assembly and annular element are clamped by threaded element. A rotation limiting device is provided between annular element and sprocket assembly, provided with two rotating delimiters (7), and adapted to engage and limit rotation between annular element and sprocket assembly.</p> |
