Stufenlos arbeitendes mechanisches Getriebe

摘要

Continuous mechanical gear-shift comprising at least one pair of trunco-conical pulleys (1, 2) with flexible transmission element (4) or elements, a power transmission mechanism (11), and an output planetary gear (16). One of the pulleys (1) is associated with the input shaft (E) of the gear-shift and the other pulley (2) is associated with the input shaft of the power transmission mechanism. The output shaft of the power transmission mechanism (11) actuates one of the elements of the planetary gear (16) (satellite carrier, sun or crown gear). The other two elements of said planetary gear (16) are associated one with the input shaft (6) and the other with the output shaft (5) of the gear-shift, which forms, the input shaft of a conventional stepped gear-shift. Preferably, the power transmission mechanism (11) consists of an intermedirary planetary gear. The-gear shift of the invention applies particularly to motor vehicles.