| 摘要 |
<p>The invention concerns a wheel disc (3), comprising a radially outer circular assembling part, a radially inner fixing and centering part with a support zone including a specific number of fixing holes (52) and provided at its radially inner end a centering bore and arms (6) linking the inner and outer parts, each arm being arranged substantially opposite one of the fixing holes and the radially inner free edges of the radially outer circular part defining with the free lateral edges of the arms cutouts (7), wherein, to provide mechanical reinforcement to each arm, a pocket (64) is arranged internally axially recessed relative to the outer surface of the disc and wherein a connecting arch links each arm to the centering bore.</p> |
