| 摘要 |
PROBLEM TO BE SOLVED: To prevent a stator shaft 25 from being displaced in the slipping-out direction from a pump cover 51, with a relatively simple and easily assembling structure, in an automatic transmission including a torque converter 2 inputting rotational motive power to an input shaft 1 and a shift mechanism part 4 shifting and outputting rotation of the input shaft 1, and constituted so that the stator shaft 25 carrying stator reaction of the torque converter 2, is fitted and fixed to a central hole of the pump cover 51 of an oil pump 5 positioned between the torque converter 2 and the shift mechanism part 4. SOLUTION: Conversion parts 7 and 8 are arranged in a fitting area of the stator shaft 25 to the pump cover 51, for converting the stator reaction into a load for pressing in the fitting direction by spirally rotating the stator shaft 25 when receiving the stator reaction of the torque converter 2. COPYRIGHT: (C)2008,JPO&INPIT
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