| 摘要 |
PROBLEM TO BE SOLVED: To certainly prevent a deformation causing a deterioration of an annular plate part even in the case where an excess axial load is inputted between shaft elements. SOLUTION: Respective yokes 22, 23 are mounted to an end of an output shaft 20 and an end of a shaft body 21 and branched arms 22a, 23a of the respective yokes 22, 23 are bonded to the annular plate 24 so as to become alternate in a circumferential direction. A recessed part 32 is provided at a center part of the yoke 23 and a rod part 34 projectingly provided at a tip end of the output shaft 20 is penetrated through the annular plate 24 and is inserted into the recessed part 32. Respective annular grooves 35, 37 are formed on an inner periphery surface of the recessed part 32 and an outer periphery surface of the rod part 34 and respective locating snap rings 38, 36 are attached to the respective annular grooves 35, 37. An axial displacement in an approaching direction of the output shaft 20 and the shaft body 21 is restricted by a tip end of the rod part 34 and a bottom wall 32a of the recessed part 32 and an axial displacement in a leaving direction of the output shaft 20 and the shaft body 21 is restricted by the locating snap rings 36, 38.
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