| 摘要 |
PROBLEM TO BE SOLVED: To reduce the working labor by facilitating the assembling of an interlock block preventing the double engagement of shift shafts. SOLUTION: A shift shaft lock plate 6 provided with holes 7a, 7b for fittedly inserting shift shaft ends and lock pins 8a, 8b locking the shift shafts fittedly inserted in the holes 7a, 7b is fitted to a main plate 1 provided with two holes 2, 3 for fittedly inserting an output shaft and a counter shaft end respectively, an axial positioning portion with the output shaft set to the reference, a fastening nut threadedly engaged with the output shaft end penetrating the hole 2, and a hunger 4.
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