| 摘要 |
PROBLEM TO BE SOLVED: To control the natural frequency approaching the resonance frequency with vehicle body vibration while achieving weight lightening.SOLUTION: A steering wheel possesses a steering cored bar 1 that comprises a rim part cored bar 3, a boss part cored bar 4, and a spoke part cored bar 5 formed as different forms respectively, and the spoke part cored bar is structured to directly connect to the rim part cored bar. A rigidity reinforced member 6 is assembled to overlap to a connection part of the rim part cored bar and the spoke part cored bar. |
