Flexible magnetic disc cassette with a slidably mounted shutter
US4581670A · kind A · utility
12Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1982 |
| Grant date | Apr 8, 1986 |
| Priority date | — |
| Expiry date | Nov 23, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/0332
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.