| 摘要 |
<p>The chain has a preform rotating unit comprising a shaft (77) integrated to a body (75) of an articulated chain. The shaft carries a pinion (62), which is intercalated between the body and a preform supporting unit (78). The pinion is urged to roll along a raceway (63, 65) integrated with a support (79) when the articulated chain is driven by a motoring unit. The raceway comprise a fixation part associated to the raceway on a same plate (67, 69).</p> |
