| 摘要 |
<p>A multistage angular reducer (1) of the type having: a casing (2); a drive shaft (35); a driven shaft (11) connected to a user element; and a number of reduction stages (3, 4, 28) housed inside the casing (2), between the drive shaft (35) and the driven shaft (11), and wherein at least one stage (4) is defined by a pair of gears defined by a bevel pinion (9) and by a bevel ring gear (10); characterized in that the casing (2) may selectively house two (3, 4) or three (3, 4, 28) reduction stages, while maintaining unchanged, when switching from two (3, 4) to three (3, 4, 28) stages or vice versa, the mutual positions of the axis (K) of the drive shaft (35) and the axis (L) of the driven shaft (11). <IMAGE> <IMAGE></p> |
