| 摘要 |
PROBLEM TO BE SOLVED: To provide a frictional continuously variable transmission structure capable of changing a speed by easily moving a frictional contact point without mounting a complicated mechanism even if a driving-side rotating body and a driven-side rotating body are stopped. SOLUTION: When a gear shift rod 14 is axially moved (right direction in drawing), the gear shift rod 14 is rolled while elastically being deformed following the gear shift rod 14 as shown in (A)-(D), as a circular rubber body 13 is kept into contact with the frictional face 12a of a driving-side rotary disc 12 in a pressed state at its outer peripheral end. Thus the circular rubber body 13 moves the frictional face 12 of the driving-side rotary disc 12 by "rolling contact", and moves without rubbing the frictional face 12a. COPYRIGHT: (C)2007,JPO&INPIT
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