| 摘要 |
<p>A belt accumulator (10, 110) includes at least two tandem zones (12, 112), each of which has a motorized roller (20,120) and at least one idler roller (22, 122) and a continuous belt (18, 118) routed around the motorized roller and at least one idler roller. The belt may be stretched at least 0.75% in its lengthwise direction. The motorized roller of each zone is independently operable in response to an article sensor (124) in each zone.</p> |
