Flexible magnetic disc cassette with a slidably mounted shutter

摘要

A flexible magnetic disc cassette contains a flexible magnetic disc. The disc cassette carries a slidably mounted shutter which closes or opens head access openings. The shutter has openings formed therein, and has projections inserted into a groove in the cassette for guiding the shutter. The edge of the disc cassette supporting the shutter has a plurality of projections which are provided for controlling operation of the shutter in association with the opening and closing operations of the shutter.