Structure for preventing dislocation of a spring in an optical disk cartridge
US5249177A · kind A · utility
2Cited by
15References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1991 |
| Grant date | Sep 28, 1993 |
| Priority date | — |
| Expiry date | Dec 12, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/505
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A structure for preventing the dislocation of a spring is provided in an optical disk cartridge wherein a shutter (23) is opened and closed in accordance with a sliding movement of a sliding jig (24) provided in the inner portion of the shutter and joined to the spring contacting portions of cartridge case via a spring (27). The spring contacting portions of the cases consist of the surfaces of a contacting wall (32), and upper (33) and lower (34) walls extending from the contacting wall, the lower wall being provided with a spring dislocation preventing projection (36).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.