| 摘要 |
<p>A connecting opening portion (38) is provided at the portion that is an outer circumferential portion of a hollow-structured operating pedal (14) and is connected to connecting links. Inside the connecting opening portion (38), a reinforcing member (40) having a U-shaped section is integrally weld-joined so as to open outward. End portions of the connecting links are inserted inside the reinforcing member, and are relatively pivotablly connected by a first link pin.</p> |
