| 摘要 |
PURPOSE: A double synchro cone is provided to prevent sticking of a synchronizer ring, and to improve the shift quality by circulating lubricant through a lubricant moving passage in rotating a gear. CONSTITUTION: A double synchro cone is composed of a cylindrical body(112) having a through hole(118) inserting a rotating shaft, and a first outer periphery(114) different from a second outer periphery(116); first gear teeth formed in the first outer periphery; second gear teeth formed in the second outer periphery; plural grooves(124) formed in the cylindrical body and combined with lugs of the double cone; and a lubricant moving passage(126) circulating lubricant through plural grooves by connecting plural grooves for shifting smoothly. Sticking of the synchro ring is prevented and the shift quality is improved with circulating the lubricant through the lubricant moving passage.
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