Cartridge having a write protector integrally formed with the casing
US5325256A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1992 |
| Grant date | Jun 28, 1994 |
| Priority date | — |
| Expiry date | Oct 28, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/0303
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disk cartridge wherein a record medium is accommodated in a casing composed of an upper casing and a lower casing, and slidably attached with a write protector for opening and closing a detection opening for preventing an erroneous erasure of signals in the record medium characterized in that the write protector is integrally formed in a first one of the upper casing and the lower casing connected to the first one through a connecting portion; and guide walls for stoppers provided at upper portions of the write protector and a closed portion of the detection opening for sliding the write protector, are attached to a second one of the upper casing and the lower casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.