Steplessly variable transmission
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 21, 1992
Grant Date -
N/A
app pub date -
Aug 1, 1990
filing date -
Aug 3, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A steplessly variable transmission is described in which a driving element and a driven element are adjustable eccentrically to one another and are coupled via pivotal levers which are journalled on one element and can be brought into force transmitting clamping engagement with the other element via coupling shoes. In the context of this series connection the two change speed units are inversely combined with an eccentric positioning device being provided which either jointly actuates the members with the ring tracks associated with the coupling elements or the members with the coupling elements. The force transmitting zones of engagement of the two units are angularly displaced relative to one another and the eccentricities of the two units and also the lever arms associated with the coupling elements can be so selected that ideal transmission ratios result which are largely free of fluctuations.
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