3.
    发明专利
    未知

    公开(公告)号:DE2416549A1

    公开(公告)日:1975-01-09

    申请号:DE2416549

    申请日:1974-04-05

    Applicant: IBM

    Abstract: A print station apparatus for feeding and printing on a bank passbook type document is provided with a platen constructed of low durometer rubber and having a plurality of alternating annular grooves and rings disposed longitudinally along the platen, whereby each of the annular ring portions may undergo resilient lateral expansion to accommodate the variations in the passbook document thickness during feeding and printing operations.

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