Magnetic tape cassette with improved hub locking means
US4728056A · kind A · utility
7Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1986 |
| Grant date | Mar 1, 1988 |
| Priority date | — |
| Expiry date | Sep 25, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/08721
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a magnetic tape cassette which has a locking member (1), the locking member is provided with protrusions (6) for abutting and locking in place hubs 13 around which a magnetic tape (12) is wound. The hubs are supported in receiving parts (4) of a window member (3). The window member has protrusions (5) that fit in recesses (7) in a lower portion of the locking member, so that the locking member will be supported between the protrusions of the window member and the upper half (2) of the cassette case.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.