| 摘要 |
The invention relates to a protective sheath (1) for a CD cassette (2), comprising a protective covering cap (11) hinged to the casing (13) provided with a catch (18) for maintaining the optical disk (3), also called a CD, in the cassette. This locking device (18) is designed in such a way that, when a CD cassette (2) is in its sheath, the optical disk (3) comes into no contact whatsoever with the inner walls of the casing (20). |
