| 摘要 |
A dual-stream book pivot machine is provided which turns books moved therealong 90 DEG to present a labeling area thereon in proper orientation and includes belts for moving the books downstream and a stop positioned in the path of the books moving therealong. Two parallel streams are preferably provided so that books, which have their greatest surface resting in engagement with the belts, can move in side-by-side relationship, each being turned to avoid interference with the books in the adjacent stream. The stops are positioned at one side of the belts for moving the books, the stop thus creating a point about which the books pivot and move laterally at least the width of the stop. The stop is elongated to present a guide preventing spinning of the pivoted books and thereby retaining the books in the proper orientation for handling by machines located downstream therefrom.
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