Reel
US7600710B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2008 |
| Grant date | Oct 13, 2009 |
| Priority date | — |
| Expiry date | Aug 21, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/378
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention of the present application provides a reel, which comprises a cylindrical resin hub with a base and an outer peripheral surface around which a recording tape is wound, a reel gear formed at an outer surface of a base portion of the hub which engages with a drive gear of a drive device, a metal reel plate provided at the outer surface of the base portion of the hub on a radially inner side of the reel gear by insert molding, a gate trace formed on the base portion of the hub, and a plurality of groove portions formed at regular intervals in a circumferential direction between the reel gear and the reel plate. The groove portions are formed at least at a predetermined area on a virtual straight line connecting a center portion of the hub and a gate trace.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.