Tape cassette having reels with limited axial travel
US4672498A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 28, 1984 |
| Grant date | Jun 9, 1987 |
| Priority date | — |
| Expiry date | Dec 28, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/087
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A tape cassette comprises a cassette housing including an upper section and a lower section. The upper section has a top wall including an opaque portion and a transparent window plate, and the lower section has a bottom wall formed with a pair of hub-receiving apertures therein. The top and bottom walls lie substantially in parallel spaced-apart planes. A pair of tape reels are mounted within the housing, each of the tape reels being formed with a hub and having an axis extending in a direction substantially normal to the planes of the top and bottom walls. The hubs are respectively rotatably received within the hub-receiving apertures. A rib is formed on the top wall and projects therefrom towards the tape reels. Each of the tape reels is movable axially between a lower position limited by engagement with the bottom wall and an upper position limited by engagement with the rib. The rib is spaced apart from the bottom wall a distance sufficient to enable axial movement of each of the tape reels away from the bottom wall in order to facilitate rotation of the tape reels but insufficient to enable withdrawal of the hubs from the respective hub-receiving apertures. The upper section …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.