Magnetic tape cassette storing case
US4593814A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1985 |
| Grant date | Jun 10, 1986 |
| Priority date | — |
| Expiry date | Jan 25, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/0233
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic tape cassette storage case of a type suitable for storing operational-type video tape cassettes in which the reels can freely rotate when unloaded from a video tape recorder. The storage case is composed of a box-shaped body receiving the tape cassette and a cover for a opening and closing the box-shaped body, wherein the body is provided with engaging parts on an inner surface of the bottom thereof shaped so as to engage with corresponding reel hub holes of the magnetic tape cassette. Each of the engaging parts includes a rotation preventing structure in the form of a discontinuous ring composed of a plurality of protrusions extending from the inner surface of the bottom of the case body inwardly of the case, and a positioning structure arranged inside the rotation preventing structure composed of at least one protrusion extending from the inner surface of the bottom the case body inwardly of the case.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.