Patent ID: 6724573
Filing Date: 2004-04-20
Classification: G11B

Abstract:
A tape cassette comprising:a cassette shell in which two tape reels are rotatably contained; a front lid, turnably supported by said cassette shell, for opening/closing the front side of a tape-like recording medium crossing a front portion of a mouth portion provided in a front portion of said cassette shell in such a manner as to be opened forwardly, upwardly, and downwardly; and a lid lock member for locking said front lid in the closed state to said cassette shell; wherein the locking of said front lid by said lid lock member is released when said tape cassette is mounted in a tape drive apparatus; said lid lock member is biased in the locking direction by biasing means; said lid lock member is engaged with and held by a tape cassette side member in the unlocking state; said lid lock member is turnably supported on the inner surface of a side surface portion of said front lid; a lock pin is provided on said lid lock member in such a manner as to project therefrom; and the unlocking state of said front lid is held by said lock pin caught in a recess formed in the side surface portion of said front lid.