公开(公告)号：DK157637C

公开(公告)日：1990-07-02

申请号：DK26083

申请日：1983-01-24

Applicant: SONY CORP

Inventor： FUJIMORI TOHRU ,  KUSUI YOSHIO

IPC: G11B23/08 ,  G11B23/087

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.

公开(公告)号：FI73534C

公开(公告)日：1987-10-09

申请号：FI830222

申请日：1983-01-24

Applicant: SONY CORP

Inventor： FUJIMORI TOHRU ,  KUSUI YOSHIO

IPC: G11B23/08 ,  G11B23/087 ,  G11B23/04

公开(公告)号：HK33186A

公开(公告)日：1986-05-23

申请号：HK33186

申请日：1986-05-15

Applicant: SONY CORP

Inventor： FUJIMORI TOHRU ,  KUSUI YOSHIO

IPC: G11B23/08 ,  G11B23/087

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.

公开(公告)号：PT76133B

公开(公告)日：1985-11-12

申请号：PT7613383

申请日：1983-01-24

Applicant: SONY CORP

Inventor： FUJIMORI TOHRU ,  KUSUI YOSHIO

IPC: G11B23/08 ,  G11B23/087 ,  G11B23/04

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.

公开(公告)号：IT8319247D0

公开(公告)日：1983-01-24

申请号：IT1924783

申请日：1983-01-24

Applicant: SONY CORP

Inventor： FUJIMORI TOHRU ,  KUSUI YOSHIO

IPC: G11B23/08 ,  G11B23/087 ,  G11B

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.

公开(公告)号：DE3221865A1

公开(公告)日：1983-01-05

申请号：DE3221865

申请日：1982-06-09

Applicant: SONY CORP

Inventor： FUJIMORI TOHRU

IPC: F16C25/08 ,  F16C39/06 ,  G11B15/32 ,  H02K5/173 ,  H02K5/16 ,  G11B17/02

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.

公开(公告)号：FR2507714A1

公开(公告)日：1982-12-17

申请号：FR8209881

申请日：1982-06-07

Applicant: SONY CORP

Inventor： FUJIMORI TOHRU

IPC: F16C25/08 ,  F16C39/06 ,  G11B15/32 ,  H02K5/173 ,  F16C19/54 ,  F16C41/02 ,  G11B15/26

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.