Friction stepless speed change device
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United States of America Patent
Stats
-
Sep 3, 1991
Grant Date -
N/A
app pub date -
Jun 27, 1990
filing date -
Jun 27, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A friction stepless speed change device includes an input shaft, a driven shaft and an output shaft arranged on a common axis, and a countershaft rotatably provided in parallel with the common axis. The device further includes tow rockable arms rockable about the countershaft, a cylindrical driving rotary assembly rotatably provided on free ends of the rockable arms to enclose the driven shaft, a set of driving friction discs rotating together with the driving rotary assembly, and a set of driven friction discs rotating together with the driven shaft. The countershaft includes a first gear in mesh with a gear fixed to the input shaft, a second gear in mesh with a gear fixed to the driving rotary assembly, and a third gear in mesh with a sun gear of a planetary gear provided on the driven shaft. The output shaft is integrally formed with an internal gear in mesh with planet gears of the planetary gear.
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