公开(公告)号：JPS5860475A

公开(公告)日：1983-04-09

申请号：JP15989981

申请日：1981-10-07

Applicant: SONY CORP

Inventor： MATSUMOTO YOSHIHARU ,  FUJIMORI TOORU ,  KUSUI YOSHIO ,  OOTA SHIYUUICHI ,  KUMAGAI ATSUHIRO

IPC: G11B23/087

Abstract: PURPOSE:To prevent dust, etc., from sticking to a tape by blocking a tape, run along an opening part, with a front, an upper, and an internal cover which open and close while interlocking mutually. CONSTITUTION:This tape cassette is provided with a front cover 37 which freely opens and closes to cover the front surface of a tape 10 run along an opening part 18, an upper cover 38 which is freely rotatably pivoted to the cover 37 to cover the part of the tape 10, and an internal cover 39 which is freely rotatably pivoted to the cover 38 to cover the back surface of the tape 10 opposing to the front cover 37. The tape 10 is blocked with said front cover 37, upper cover 38, and internal cover 39, which open and close while interlocking mutually.