摘要 |
A gearbox (1), comprising two mutually opposite walls (3, 5) and comprising at least one shaft (7) that supports at least one gear (9), the shaft (7) passing through the gearbox (1) from one of the two mutually opposite walls (3, 5) to the other, each one of the ends of the shaft (7) being coupled rotatably to a respective wall (3, 5) by a respective bearing (11, 13), the gearbox further comprising at least one rigid tension member (15), which is internal to the gearbox (1) and acts between the two mutually opposite walls (3, 5) to perform their traction. |