| 摘要 |
<p>The gear box has a secondary shaft (40) carrying a direct drive gear (4) of a differential ring gear (7), and another secondary shaft (60) arranging returning units on the former secondary shaft. The returning units are constituted of an input fixed gear supported by the latter secondary shaft, intermediate idler gear (8) e.g. double gear, supported by a primary shaft (10) and output fixed gear supported by the former secondary shaft.</p> |
