| 摘要 |
An accelerator pedal is engaged with the rotor so that the accelerator pedal is pivotable about a rotation axis. A coil spring is arranged on a biasing axis that is generally tangential to an arc path, along which a protrusion of the rotor passes when the rotor rotates about the rotation axis. A holder is interposed between the protrusion of the rotor and the coil spring. A concave surface of the holder contacts a convex surface of the protrusion. A receiving portion of the holder receives the coil spring. The contact point is located between a second end and a first end of the coil spring. The concave surface of the holder and the convex surface of the protrusion are curved to satisfy a predetermined relationship.
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