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    3.
    发明专利
    未知

    公开(公告)号：DE2446441A1

    公开(公告)日：1975-04-10

    申请号：DE2446441

    申请日：1974-09-28

    Applicant: IBM

    Inventor： JANSSEN DONOVAN MILO ,  STEDMAN DAVID

    IPC: F16C32/06 ,  G11B5/17 ,  G11B5/52 ,  G11B5/53 ,  G11B17/32 ,  G11B5/60

    Abstract: Two spacially cooperating rotary transformer windings are supported with accurate mechanical separation by a thrust gas bearing having a fixed position hydrostatic gas bearing member and a movable piston which integrally carries a movable hydrostatic gas bearing member. One transformer winding is carried by the fixed bearing member. The other cooperating transformer winding is supported by a headwheel. This headwheel is air bearing supported by the opposing forces supplied by the fixed and the movable bearing members, respectively. Dimensional manufacturing and operating tolerance is accomodated by movement of the piston, to thereby accurately maintain a desired mechanical spacing between the two transformer windings.

    SHEET FEEDING AND ALIGNING APPARATUS
    4.
    发明专利
    SHEET FEEDING AND ALIGNING APPARATUS 未知

    公开(公告)号：DE3273970D1

    公开(公告)日：1986-12-04

    申请号：DE3273970

    申请日：1982-08-25

    Applicant: IBM

    Inventor： JANSSEN DONOVAN MILO ,  MANTEY JOHN PAUL ,  ROLLER DONALD CHARLES ,  WALKER LANCE ALLAN

    IPC: B65H3/06 ,  B65H9/00 ,  B65H9/10 ,  B65H9/16 ,  B65H9/20

    Abstract: Sheet feed and aligning apparatus receives sheets fed in skewed orientation from a stack (18). A roller pair (46) initially advances the sheets without altering the skew angle, to further roller pairs (48, 56). As these pairs advance the sheet, sensors (68 and a further one, not shown) positioned along a line at an angle to the direction of sheet feed, sense its leading edge. In accordance with the timing of this sensing, drive means (42,46) for the further roller pairs are independently controlled to correct the skew.

    7.
    发明专利
    未知

    公开(公告)号：DE3585303D1

    公开(公告)日：1992-03-12

    申请号：DE3585303

    申请日：1985-05-29

    Applicant: IBM

    Inventor： FRIEHAUF WILLIAM JOSEPH ,  JANSSEN DONOVAN MILO ,  MURPHY ROBERT MICHAEL ,  ROSE LEROY ,  KIRTON ALAN JOHN

    IPC: G11B33/12 ,  G11B17/028 ,  G11B21/02 ,  G11B25/04 ,  G11B33/02

    Abstract: A flexible disk drive (11) is disclosed that is optimized for automated manufacture. The critical elements of the disk drive are divided into two functional groups, one of which includes the elements for loading and unloading the disk cartridge and the other of which includes the element for reading and writing on the flexible disk within the cartridge, with the elements of each group being precisely registered with respect to one another on separate frame members. The frame members are coarsely registered with respect to one another and snapped together, after separate assembly of at least most of the elements on the separate frame members has been completed, and fine position registration of the flexible disk to the spindle is thereafter achieved during each loading operation of a flexible disk into the assembly disk drive by collet centering and clamping the disk to the spindle. By this arrangement, automated methods of manufacture can be effectively carried out for assembly of each member as well as final assembly of the frame members.

    ELECTRONIC ALIGNMENT FOR A PAPER PROCESSING MACHINE
    9.
    发明专利
    ELECTRONIC ALIGNMENT FOR A PAPER PROCESSING MACHINE 未知

    公开(公告)号：DE3366626D1

    公开(公告)日：1986-11-06

    申请号：DE3366626

    申请日：1983-11-10

    Applicant: IBM

    Inventor： ASHBEE WILLIAM HENRY ,  JANSSEN DONOVAN MILO ,  MARTIN RONALD JAMES ,  SEAWARD WILLIAM STEPHEN

    IPC: B65H9/00 ,  G03G15/00 ,  B65H9/20

    Abstract: Electronic alignment of paper feeding components in a machine such as an electrophotographic copier machine is achieved by placing an original master containing vernier calibrations on the document glass and a target master containing vernier calibrations in the copy paper bin. Thereupon, the machine is operated to produce a copy of the original master onto the target master producing a double set of vernier calibrations on the target master, which, when compared, provides information relating to skew angle, side edge relationship and leading edge alignment of the image to the copy paper. The vernier calibrations provide data which are keyed into a microprocessor controlled copy feeding servo mechanism to correct copy paper position and remove misalignment. The operation is repeated for various combinations of paper feed paths with techniques of original document placement and for duplex operation so that the copy paper matches image position for all modes of copier operation. For printer mode of operation, the master vernier is printed to produce the needed image. In addition, sensors are located in the copy paper path to automatically correct for deviations in the copy sheet feeding unit, caused by wear, for example, over a period of time. Sensors are also located in the document feeder so that corrections in the position of the copy paper may be made on an individualized and dynamic basis to electronically correct for misalignment of individual originals on the document glass.

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