| 摘要 |
<p>A gearing (1) comprising a first (2) and a second gear wheel (3) turning around respective mutually parallel axes (4), each one comprising a respective first (2a) (3a) and a respective second crown wheel (2b)(3b) that are adjacent to each other; the gearing (1) also comprising at least one third (6a) and at least one fourth gear wheel (7a) that are separate and mutually independent, a support body (10) for said third (6a) and fourth gear wheels (7a), hinge pins (11a)(12a) for mounting said third (6a) and fourth gear wheels (7a) on said support body (10) in a rotational manner around a third (11b) and, respectively, a fourth hinge axis (12b) parallel to said axes, said third gear wheel (6a) meshing with said respective first crown wheels (2a)(3a) and said respective fourth gear wheel (7a) meshing with said respective second crown wheels (2b)(3b).</p> |
