| 摘要 |
A sheet aligning mechanism for aligning varied types and weights of sheets which are hand fed thereto includes a continuously rotating feed roll cooperating with a pinch device for urging sheets into both a leading edge aligner and a side edge aligner for leading edge and side edge registration. The feed roll is eccentrically mounted and its clearance with the pinch device is controlled whereby light weight thin sheets are intermittently driven into the aligners. The intermittent sheet drive force prevents sheet buckling and creasing should the operator fail to properly release the sheet. Further, sheet buckling is prevented by the intermittent drive force once the sheet reaches an aligner since the sheet is allowed to restore during the non-drive portion of the feed roll rotation. Once the sheet is properly aligned against both aligners and the utilization device is ready to receive the sheet, an entry gate is actuated and the feed roll forwards the sheet to a sheet take-up device. Thick sheets are continuously driven by the feed roll since they exhibit little propensity toward buckling.
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