Continuously variable transmission
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United States of America Patent
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Sep 19, 2017
Issued Date -
Feb 9, 2017
app pub date -
Jul 29, 2016
filing date -
Aug 7, 2015
priority date (Note) -
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Abstract
A continuously variable transmission includes a cardioid intermediate transmission body having a cardioid curved surface, an outer cycloid transmission body having an outer cycloid curved surface, an inner cycloid transmission body having an inner cycloid curved surface, an outer press unit, an inner press unit, and a cardioid intermediate transmission body inclining unit. The outer press unit presses one of the outer cycloid transmission body and the cardioid intermediate transmission body to the other side. The inner press unit presses the one to the other side. The cardioid intermediate transmission body inclining unit changes respective positions where the cardioid curved surface rolls on and contacts the outer cycloid curved surface and the inner cycloid curved surface.
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