| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a shift control device of a continuously variable transmission that prevents excessive force from being applied to a stepping motor while enabling increase of the thrust of a spring for backlash prevention. <P>SOLUTION: This shift control device 230 of the continuously variable transmission includes a speed ratio control valve 112 that controls supply/delivery of pressure oil to a driving device 32 for displacing a trunnion 15 of the continuously variable transmission in the axial direction and causes continuous speed variation of the continuously variable transmission, a first biasing body 130 that is attached to a spool 115 of the speed ratio control valve 112 and biases a sleeve 114 in the direction of a link member 120 to prevent backlash of an engaging part of these members 114 and 120, and a second bising body 135 that is attached to an output rod 113a of a stepping motor 113 and offsets the thrust of the first biasing body 130. <P>COPYRIGHT: (C)2012,JPO&INPIT |
