Disk cartridge and method for constructing the same
US5515358A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 12, 1994 |
| Grant date | May 7, 1996 |
| Priority date | — |
| Expiry date | Jan 12, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/0308
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disk cartridge rotatably accommodating a disk according to the present invention includes: a cartridge box composed of an upper half and a lower half, including a center hole for receiving a motor for rotating the disk, a head slit for receiving a recording and playback head, and a window on its side wall; a shutter movably provided on the cartridge box, for opening or closing at least the head slit; a slide member covering the window, connected to the shutter and slidably guided inside the cartridge box so that the shutter moves in a direction for opening or closing the head slit; and a twisted coiled spring which is provided inside the cartridge box so as to pass thorough the window, one end of the elastic body being fixed to the cartridge box and the other end thereof being fixed to the slide member, the elastic body pulling the shutter in a direction for closing the head slit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.