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    SERVO CONTROLLED STITCHING APPARATUS AND METHOD THEREOF
    1.
    发明公开
    SERVO CONTROLLED STITCHING APPARATUS AND METHOD THEREOF 审中-公开

    公开(公告)号：EP3538375A1

    公开(公告)日：2019-09-18

    申请号：EP17817198.9

    申请日：2017-11-11

    申请人： Patel, Udaykumar Chhabildas

    发明人： Patel, Udaykumar Chhabildas

    IPC分类号： B42B4/00 ,  B27F7/17

    摘要： The present invention relates to a servo controlled stitching apparatus that comprises a servo controlled wire pulling means (4) for pulling the required length of wire for stitching bunch of paper sheets. Said pulling means (4) comprises pulling roller (11) having wire retaining groove (11a) for guiding wire extending from the spool (2) towards the stitching head (1). It also comprises pressure roller (13) that rotates against pulling roller (11) for pulling the wire (16) from the spool (2). The length of wire to be pulled is predefined in the controller means which is communicated with the servo motor (7) that rotates said rollers (11, 13) until the predetermined length of wire is pulled. The stitching head (1) utilize the wire (16) of pulled length without rotating the spool itself to avoid pulling load and to apply even stapling on the bunch of paper sheets.