| 摘要 |
<p>The invention is a spring characterized by - a first, inner, continuous frame (1), - a second, continuous frame (2) enveloping said first frame (1), - said first and second frames (1, 2) made in a flexible material of high yield stress, - said first and second frame having a common frame portion (12) constituting a minor proportion of said first frame (1) compared to the remainder of said first frame (1), - said first and second frames (1, 2) being plane arranged generally in a common plane (P) in their unloaded state and arranged for being deformed generally in said common plane (P).</p> |
