| 摘要 |
PROBLEM TO BE SOLVED: To provide an oil circulation mechanism of a transmission having a forced lubrication device having few finished holes and few restrictions in the pin withdrawal direction of cored holes. SOLUTION: In an oil route having a restriction in the pin withdrawal direction, grooves 7, 9 and slits 6, 21 are used, and the parts thereof are covered with covers to form the oil route. |
