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    DRIVE APPARATUS FOR MAGNETIC DISCS
    1.
    发明专利
    DRIVE APPARATUS FOR MAGNETIC DISCS 未知

    公开(公告)号：AU516143B2

    公开(公告)日：1981-05-21

    申请号：AU3507278

    申请日：1978-04-13

    Applicant: BASF AG

    Inventor： MANZKE K ,  BROTZLER R ,  BERG G ,  UHL K

    IPC: G11B17/032 ,  G11B17/028 ,  G11B17/035 ,  G11B17/02 ,  G11B19/20

    Abstract: A drive apparatus for a magnetic disc, particularly a flexible magnetic disc in an envelope, distinguished by a compact design which is achieved by so designing and arranging the linkage between the drive's closure member and disc clamping member that they take up as little room as possible. By designing the linkage in the form of a roller and lever arrangement and arranging them substantially on the central longitudinal axis of the housing of the drive apparatus in the upper portion of the housing, the maximum amount of space is available on either side of the linking means for printed circuit boards and electronic components. In a very advantageous embodiment, the closure member, linkage and clamping member and part of the housing are assembled as a single unit which is ready for fitting. The drive apparatus of the invention can be used for any kind of flexible or rigid magnetic disc.

    DRIVE APPARATUS FOR MAGNETIC DISCS
    4.
    发明专利
    DRIVE APPARATUS FOR MAGNETIC DISCS 未知

    公开(公告)号：ZA782148B

    公开(公告)日：1979-04-25

    申请号：ZA782148

    申请日：1978-04-14

    Applicant: BASF AG

    Inventor： MANZKE K ,  BROTZLER R ,  BERG G ,  UHL K

    IPC: G11B17/032 ,  G11B17/028 ,  G11B17/035 ,  G11B17/04 ,  G11B19/20

    Abstract: A drive apparatus for a magnetic disc, particularly a flexible magnetic disc in an envelope, distinguished by a compact design which is achieved by so designing and arranging the linkage between the drive's closure member and disc clamping member that they take up as little room as possible. By designing the linkage in the form of a roller and lever arrangement and arranging them substantially on the central longitudinal axis of the housing of the drive apparatus in the upper portion of the housing, the maximum amount of space is available on either side of the linking means for printed circuit boards and electronic components. In a very advantageous embodiment, the closure member, linkage and clamping member and part of the housing are assembled as a single unit which is ready for fitting. The drive apparatus of the invention can be used for any kind of flexible or rigid magnetic disc.

    7.
    发明专利
    未知

    公开(公告)号：SE7804137L

    公开(公告)日：1978-10-17

    申请号：SE7804137

    申请日：1978-04-12

    Applicant: BASF AG

    Inventor： MANZKE K ,  BROTZLER R ,  BERG G ,  UHL K

    IPC: G11B17/032 ,  G11B17/028 ,  G11B17/035 ,  G11B19/00

    Abstract: A drive apparatus for a magnetic disc, particularly a flexible magnetic disc in an envelope, distinguished by a compact design which is achieved by so designing and arranging the linkage between the drive's closure member and disc clamping member that they take up as little room as possible. By designing the linkage in the form of a roller and lever arrangement and arranging them substantially on the central longitudinal axis of the housing of the drive apparatus in the upper portion of the housing, the maximum amount of space is available on either side of the linking means for printed circuit boards and electronic components. In a very advantageous embodiment, the closure member, linkage and clamping member and part of the housing are assembled as a single unit which is ready for fitting. The drive apparatus of the invention can be used for any kind of flexible or rigid magnetic disc.

    8.
    发明专利
    未知

    公开(公告)号：SE434445B

    公开(公告)日：1984-07-23

    申请号：SE7804137

    申请日：1978-04-12

    Applicant: BASF AG

    Inventor： MANZKE K ,  BROTZLER R ,  BERG G ,  UHL K

    IPC: G11B17/032 ,  G11B17/028 ,  G11B17/035 ,  G11B17/04 ,  G11B25/04

    Abstract: A drive apparatus for a magnetic disc, particularly a flexible magnetic disc in an envelope, distinguished by a compact design which is achieved by so designing and arranging the linkage between the drive's closure member and disc clamping member that they take up as little room as possible. By designing the linkage in the form of a roller and lever arrangement and arranging them substantially on the central longitudinal axis of the housing of the drive apparatus in the upper portion of the housing, the maximum amount of space is available on either side of the linking means for printed circuit boards and electronic components. In a very advantageous embodiment, the closure member, linkage and clamping member and part of the housing are assembled as a single unit which is ready for fitting. The drive apparatus of the invention can be used for any kind of flexible or rigid magnetic disc.

    DEVICE FOR POSITIONING OBJECTS OF LOW MASS
    9.
    发明专利
    DEVICE FOR POSITIONING OBJECTS OF LOW MASS 未知

    公开(公告)号：ZA795718B

    公开(公告)日：1980-11-26

    申请号：ZA795718

    申请日：1979-10-25

    Applicant: BASF AG

    Inventor： MANZKE K ,  BROTZLER R

    IPC: G11B5/55 ,  G11B21/02 ,  G01B7/00 ,  G11B21/08 ,  H02K41/02 ,  H02K41/035 ,  G11B ,  H02K

    Abstract: A device for positioning objects of low mass, particularly magnetic heads over preselected tracks on at least one magnetic disc in a disc file in which there is provided a carriage, displaceable toward and away from the axis of rotation of the magnetic disc, which serves as carrier not only for the magnetic heads but also for the coil of a linear drive means, the said coil being a flat coil which projects into the working air gap of a magnet assembly comprising at least one flat magnet, the flat coil and magnet assembly being arranged in such a way that the force vector lies essentially in the plane in which the carriage is displaceably mounted.

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