| 摘要 |
PROBLEM TO BE SOLVED: To obtain a damper gear capable of increasing rigidity and strength by a simple configuration.SOLUTION: A wall part 22 is provided with an opening 22e for housing an elastic member 8. A bent part 22g (connection part) between the wall part 22 and a protrusion 22h is positioned on the radial outside of the opening 22e. An expansion part 22m is provided as a reinforcement part 10 that reinforces at least a part of a peripheral edge of the opening 22e of the wall part 22. |
