Hub for a disk type recording medium
US5057960A · kind A · utility
6Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1990 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Nov 6, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/0035
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A hub to be attached to the central portion of a recording medium comprises a flat plate-like body made of a metallic material, and an annular resinous body firmly attached to the flat plate-like body by insert-molding, wherein at least one bent portion with an opening for connecting the annular resinous body to the flat-plate-like body is formed in the flat plate-like body so that the opening is in parallel to the upper or lower surface of the flat plate-like body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.