MO cartridge jukebox doors which open in a plane parallel to the front panel of the jukebox
US5689490A · kind A · utility
15Cited by
2References
10Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Feb 6, 1996 |
| Grant date | Nov 18, 1997 |
| Priority date | — |
| Expiry date | Feb 6, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B17/0405
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A MO cartridge jukebox cartridge door and closure mechanism which employs a pair of parallel door panels and a pair of parallel cranks all connected together to form a parallelogram which is moved by engagement with a mechanical linkage to the cartridge receiving tray within the jukebox to expand and thereby open a cartridge insertion slot in the jukebox, or contract and thereby close the insertion slot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.