| 摘要 |
<p>A spring adjustment system having an inner leading element (1,18) receiving the rotary motion externally given through an adjustment nut (2, 19) placed upon a cap (3, 14), and a body element (6, 16) - receiving the rotation of said inner leading element (1, 18) - with a grooved surface (12, 35) having a thread pitch bearing all or only a portion of the spring coils and having a machined surface (8, 36) with a thread pitch - a guidance element (11, 15), having a machined surface (10, 17), coupled with the machined surface (8, 36) of said body element (6, 16); wherein said guidance element forces said body element (6, 16) into an helical path, once set in rotation by said leading element (1, 18), said guidance element (11, 15) being fixed to said cap (3, 14) of said adjusting system.</p> |
