Patent ID: 11873879
Assignee: AISIN TAKAOKA CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 4:
5. The flexible flywheel according to claim 4, wherein
the first through holes are elongated in a direction in which the first spoke portion extends,
the first through holes include end edges that contact the first inner joining portion and end edges that contact the first outer joining portion,
at least the edges that contact the first inner joining portion or at least the edges that contact the first outer joining portion are curved,
the second through holes are elongated in a direction in which the second spoke portion extends,
the second through holes include end edges that contact the second inner joining portion and end edges that contact the second outer joining portion,
at least the edges that contact the second inner joining portion or at least the edges that contact the second outer joining portion are curved,
the third through holes are elongated in a direction in which the third spoke portion extends,
the third through holes include end edges that contact the third inner joining portion and end edges that contact the third outer joining portion, and
at least the edges that contact the third inner joining portion or at least the edges that contact the third outer joining portion are curved.