{HEAD ~ The transmission ratio} is controlled by feeding an actual transmission ratio back to an input of a control circuit for the transmission ratio on a basis of a control mechanism with reference to a desired transmission ratio by {TAIL ~ adjustment} of a holding force of the pivot bearing configuration or its adjustment path 
{ HEAD ~ The transmission ratio } is controlled by feeding an actual transmission ratio back to an input of a control circuit for the transmission ratio on a basis of a control mechanism with reference to a desired transmission ratio by { TAIL ~ adjustment } of a holding force of the pivot bearing configuration or its adjustment path
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH