| 摘要 |
A multi-speed power transmission has an input shaft and a coaxially aligned output shaft. Each shaft has gearing members connected thereto. The input gearing drives an idler gear which, in turn, drives a ratio gear. A plurality of meshing ratio and idler gears rotatably supported on parallel shafts are serially driven from the input gearing. The shaft supporting each ratio gear has a selectively engageable clutch mechanism for selectively connecting the respective ratio gear shaft with an output gear member. The respective output gear members are in constant mesh with the output gearing member.
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