1.
    发明专利
    失效

    公开(公告)号:JPH05250606A

    公开(公告)日:1993-09-28

    申请号:JP5706191

    申请日:1991-03-20

    Abstract: PURPOSE: To degauss a perfectly packed pancake by means of a fast cycle time by permitting a recording carrier to be insertable into a coil with a lift-up device in an axial line direction. CONSTITUTION: The magnetic recording carrier 8 is carried to a degaussing device 1 in an arrow direction on a conveyor belt 7. The device consists of a solenoid, providing cylindrical coil windings, and the coil windings are driven with a charged capacitor 6. When the recording carrier 8 reaches the device 1, the conveyor belt 7 is stopped, and the recording carrier 8 is lifted-up into the inner space of the device 1 by the lifting device 5. Therefore, the recording carrier 8 is coaxially arranged in the coil, the capacitor 6 discharges with the coil windings at this time and the recording carrier 8 is perfectly and efficiently degaussed by an alternating magnetic filed which occurs in a form of a damped vibration.

    CORE CLAMPING DEVICE
    2.
    发明专利

    公开(公告)号:JPH05197952A

    公开(公告)日:1993-08-06

    申请号:JP16897892

    申请日:1992-06-26

    Abstract: PURPOSE: To reduce wearing, to provide a large spring stroke, to provide variable spring force, to be compact and to increase the diameter of a winding axis. CONSTITUTION: A fastening device is provided with segments 2, obtained by dividing a ring in a peripheral direction, the tip faces 13 of these segments 2 are chamfered, these segments 2 are held between intermediate pieces 3 in the shape of mushrooms with the inner surfaces 7 of similar inclination, and these segments 2 are applied with loads outward in a radial direction by a spring element 4.

    HUB TENSION MEANS
    3.
    发明专利

    公开(公告)号:JPH0616286A

    公开(公告)日:1994-01-25

    申请号:JP33867192

    申请日:1992-12-18

    Abstract: PURPOSE: To provide an attachable and detachable tape hub tensioning means by centering the hub on the means with high accuracy eve when winding a tape at a high speed with a simple structure and simultaneously press engaging the hub axially without difficulty. CONSTITUTION: The hub tensioning means has a common dealing means for locking winding element with an inner cylindrical cavity in a winding shaft. The hub 1 is uniformly distributed on a periphery along bores 2, 2' in a circumferential direction, and has notches 3, 3' alternately axially directed in one and the other, and finished at an oblique step 4 staring near a geometrical center 5 of the hub, a spring mounted tensioning element mutually operated with the notches 3, 3' of the hub 1 is provided on a periphery of the element, and the element has a radial protrusion to lock with the notches 3, 3' in an axial direction.

    4.
    发明专利
    失效

    公开(公告)号:JPH05338871A

    公开(公告)日:1993-12-21

    申请号:JP33867292

    申请日:1992-12-18

    Abstract: PURPOSE: To simply, effectively press a hub to a winding element and to accurately hold a tensioning means by providing a plurality of elastic elements uniformly distributed on a periphery over an inner periphery of the hub, and forming the element in a shape of a bent arm. CONSTITUTION: The hub 1 has an outer part having a cylindrical surface 12 for winding a magnetic tape, an inner cylindrical part 3 and a radial web 13 disposed therebetweeen. A plurality of elastic elements 2 are extended from the part 3 and formed in an arm-like state radially bent. Further, radially protruding protrusions 7 are provided at ends of the elements 2. The hub 1 is compressed in winding on the hub 1 of a magnetic tape. Accordingly, before winding, the hub 1 is brought into contact with the hub holder 6 only at the protrusions 7. Meanwhile, when the tape is completely wound on the hub 1, the hub 1 is held by the elements 2 and the protrusions 7, and the hub 1 is brought into contact with the winding shaft 9 or the holder 6.

    DEVICE FOR CUTTING FILM WEB
    5.
    发明专利

    公开(公告)号:JPH05138587A

    公开(公告)日:1993-06-01

    申请号:JP10722592

    申请日:1992-04-27

    Abstract: PURPOSE: To constitute a cutting device for a film web, having a blade to be hardly worn, capable of reliably fixing the blade, having a simple structure and high accuracy, and capable of easily assembling and disassembling a blade shaft. CONSTITUTION: A disc blade 1 is fitted in a groove 5 formed on an intermediate ring 13, this disc blade 1 is pressed to one wall of the groove 5 by a spring element 14 fitted in the groove 5, and a point of action of the spring element 14 is in the diameter of the intermediate ring 13.

Patent Agency Ranking