22.
    发明专利
    未知

    公开(公告)号:IT8221785D0

    公开(公告)日:1982-06-09

    申请号:IT2178582

    申请日:1982-06-09

    Applicant: SONY CORP

    Inventor: FUJIMORI TOHRU

    Abstract: A rotary member embodying the rotor of a brushless DC motor and having a magnet extending around an axially opening recess is rotatably supported by means of a bearing device on a stationary member which includes a fixed shaft extending into the recess and stator windings arrayed around the fixed shaft on a stator yoke axially confronting the magnet of the rotor to provide a magnetic attraction therebetween constituting at least part of a thrust load; such bearing device comprising first and second ball bearings having outer ring races engaging a cylindrical side wall of the recess in the rotary member and seating against axially spaced first and second annular shoulders, respectively, formed in such side wall and facing axially toward the opening of the recess, while inner ring races of the first and second ball bearings are disposed on the fixed shaft with one of the inner races seating against an additional annular shoulder formed on the shaft and facing axially opposite to the first and second shoulders, and a helical compression spring on the fixed shaft between the inner ring races for axially pre-loading the first and second ball bearing and distributing the thrust load therebetween.

    23.
    发明专利
    未知

    公开(公告)号:NO163836C

    公开(公告)日:1990-07-25

    申请号:NO830220

    申请日:1983-01-24

    Applicant: SONY CORP

    Abstract: A tape cassette comprises a housing of generally rectangular configuration containing reels on which a supply of tape is wound and having top and bottom walls and a peripheral wall extending between the top and bottom walls along three sides of the housing so as to form an opening along the fourth side of the housing, the top and bottom walls having first and second cutouts communicating with the opening and extending along a portion of said fourth side of the housing, respectively, the tape being guided between the reels in a path having a run extending along the opening, a front lid mounted on the housing and being movable relative thereto between a closed position covering the opening and an opened position exposing the opening and a back lid movable in connection with the movement of the front lid between the closed position wherein the back lid is positioned behind the front lid and the opened position wherein the back lid is taken away from the back side of the tape so that the run of the tape and be engaged through the second cutout for withdrawal of the tape through the opening, and the back lid having a lid portion which closes the first cutout in the closed position so that the run of the tape is enclosed only by the front and back lids, whereby the adhesion of dust to the tape and the damage of the tape can be prevented.

    24.
    发明专利
    未知

    公开(公告)号:NO163836B

    公开(公告)日:1990-04-17

    申请号:NO830220

    申请日:1983-01-24

    Applicant: SONY CORP

    Abstract: A tape cassette comprises a housing of generally rectangular configuration containing reels on which a supply of tape is wound and having top and bottom walls and a peripheral wall extending between the top and bottom walls along three sides of the housing so as to form an opening along the fourth side of the housing, the top and bottom walls having first and second cutouts communicating with the opening and extending along a portion of said fourth side of the housing, respectively, the tape being guided between the reels in a path having a run extending along the opening, a front lid mounted on the housing and being movable relative thereto between a closed position covering the opening and an opened position exposing the opening and a back lid movable in connection with the movement of the front lid between the closed position wherein the back lid is positioned behind the front lid and the opened position wherein the back lid is taken away from the back side of the tape so that the run of the tape and be engaged through the second cutout for withdrawal of the tape through the opening, and the back lid having a lid portion which closes the first cutout in the closed position so that the run of the tape is enclosed only by the front and back lids, whereby the adhesion of dust to the tape and the damage of the tape can be prevented.

    25.
    发明专利
    未知

    公开(公告)号:FI73534B

    公开(公告)日:1987-06-30

    申请号:FI830222

    申请日:1983-01-24

    Applicant: SONY CORP

    Abstract: A tape cassette comprises a housing of generally rectangular configuration containing reels on which a supply of tape is wound and having top and bottom walls and a peripheral wall extending between the top and bottom walls along three sides of the housing so as to form an opening along the fourth side of the housing, the top and bottom walls having first and second cutouts communicating with the opening and extending along a portion of said fourth side of the housing, respectively, the tape being guided between the reels in a path having a run extending along the opening, a front lid mounted on the housing and being movable relative thereto between a closed position covering the opening and an opened position exposing the opening and a back lid movable in connection with the movement of the front lid between the closed position wherein the back lid is positioned behind the front lid and the opened position wherein the back lid is taken away from the back side of the tape so that the run of the tape and be engaged through the second cutout for withdrawal of the tape through the opening, and the back lid having a lid portion which closes the first cutout in the closed position so that the run of the tape is enclosed only by the front and back lids, whereby the adhesion of dust to the tape and the damage of the tape can be prevented.

    TAPE CASSETTE
    26.
    发明专利

    公开(公告)号:MY8600595A

    公开(公告)日:1986-12-31

    申请号:MY8600595

    申请日:1986-12-30

    Applicant: SONY CORP

    Abstract: A tape cassette comprises a housing of generally rectangular configuration containing reels on which a supply of tape is wound and having top and bottom walls and a peripheral wall extending between the top and bottom walls along three sides of the housing so as to form an opening along the fourth side of the housing, the top and bottom walls having first and second cutouts communicating with the opening and extending along a portion of said fourth side of the housing, respectively, the tape being guided between the reels in a path having a run extending along the opening, a front lid mounted on the housing and being movable relative thereto between a closed position covering the opening and an opened position exposing the opening and a back lid movable in connection with the movement of the front lid between the closed position wherein the back lid is positioned behind the front lid and the opened position wherein the back lid is taken away from the back side of the tape so that the run of the tape and be engaged through the second cutout for withdrawal of the tape through the opening, and the back lid having a lid portion which closes the first cutout in the closed position so that the run of the tape is enclosed only by the front and back lids, whereby the adhesion of dust to the tape and the damage of the tape can be prevented.

    TAPE CASSETTE
    27.
    发明专利

    公开(公告)号:PH20000A

    公开(公告)日:1986-08-28

    申请号:PH28405

    申请日:1983-01-20

    Applicant: SONY CORP

    Abstract: A tape cassette comprises a housing of generally rectangular configuration containing reels on which a supply of tape is wound and having top and bottom walls and a peripheral wall extending between the top and bottom walls along three sides of the housing so as to form an opening along the fourth side of the housing, the top and bottom walls having first and second cutouts communicating with the opening and extending along a portion of said fourth side of the housing, respectively, the tape being guided between the reels in a path having a run extending along the opening, a front lid mounted on the housing and being movable relative thereto between a closed position covering the opening and an opened position exposing the opening and a back lid movable in connection with the movement of the front lid between the closed position wherein the back lid is positioned behind the front lid and the opened position wherein the back lid is taken away from the back side of the tape so that the run of the tape and be engaged through the second cutout for withdrawal of the tape through the opening, and the back lid having a lid portion which closes the first cutout in the closed position so that the run of the tape is enclosed only by the front and back lids, whereby the adhesion of dust to the tape and the damage of the tape can be prevented.

    TAPE CASSETTE WITH FRONT COVER
    28.
    发明专利

    公开(公告)号:GB2115782B

    公开(公告)日:1985-05-22

    申请号:GB8301546

    申请日:1983-01-20

    Applicant: SONY CORP

    Abstract: A tape cassette comprises a housing of generally rectangular configuration containing reels on which a supply of tape is wound and having top and bottom walls and a peripheral wall extending between the top and bottom walls along three sides of the housing so as to form an opening along the fourth side of the housing, the top and bottom walls having first and second cutouts communicating with the opening and extending along a portion of said fourth side of the housing, respectively, the tape being guided between the reels in a path having a run extending along the opening, a front lid mounted on the housing and being movable relative thereto between a closed position covering the opening and an opened position exposing the opening and a back lid movable in connection with the movement of the front lid between the closed position wherein the back lid is positioned behind the front lid and the opened position wherein the back lid is taken away from the back side of the tape so that the run of the tape and be engaged through the second cutout for withdrawal of the tape through the opening, and the back lid having a lid portion which closes the first cutout in the closed position so that the run of the tape is enclosed only by the front and back lids, whereby the adhesion of dust to the tape and the damage of the tape can be prevented.

    Magnetic tape cassette
    29.
    发明专利

    公开(公告)号:FR2539907A1

    公开(公告)日:1984-07-27

    申请号:FR8301101

    申请日:1983-01-25

    Applicant: SONY CORP

    Abstract: The invention relates to a magnetic tape cassette. This cassette includes a case 1, an opening 9 in which is closed by a front cover 14 hinged to the case and a rear cover 34 which can move conjointly with the movement of the front cover. The strand of the magnetic tape 6 which passes in front of the opening 9 is enclosed between the front cover and the rear cover and these latter open simultaneously with the loading of the cassette in order to free the tape. The invention applies in particular to recorders of television pictures on magnetic tape.

    30.
    发明专利
    未知

    公开(公告)号:LU84599A1

    公开(公告)日:1983-09-08

    申请号:LU84599

    申请日:1983-01-24

    Applicant: SONY CORP

    Abstract: A tape cassette comprises a housing of generally rectangular configuration containing reels on which a supply of tape is wound and having top and bottom walls and a peripheral wall extending between the top and bottom walls along three sides of the housing so as to form an opening along the fourth side of the housing, the top and bottom walls having first and second cutouts communicating with the opening and extending along a portion of said fourth side of the housing, respectively, the tape being guided between the reels in a path having a run extending along the opening, a front lid mounted on the housing and being movable relative thereto between a closed position covering the opening and an opened position exposing the opening and a back lid movable in connection with the movement of the front lid between the closed position wherein the back lid is positioned behind the front lid and the opened position wherein the back lid is taken away from the back side of the tape so that the run of the tape and be engaged through the second cutout for withdrawal of the tape through the opening, and the back lid having a lid portion which closes the first cutout in the closed position so that the run of the tape is enclosed only by the front and back lids, whereby the adhesion of dust to the tape and the damage of the tape can be prevented.

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