Reel and recording tape cartridge
US7954750B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2009 |
| Grant date | Jun 7, 2011 |
| Priority date | — |
| Expiry date | Dec 3, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/5122
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A reel comprising a hub formed in the shape of a cylindrical tube with a base, on an outer peripheral surface of which a recording tape is wound; a base side flange portion that projects-out to a radial direction outer side of a base portion side of the hub; a flange member configured in a disc shape or an annular plate shape of a material with an elastic modulus at least equal to a material that constitutes the hub, the flange member being coaxially joined to an opening end portion of the hub; a metal plate formed in a circular plate shape or an annular plate shape, which is fixed coaxially to the base portion of the hub; and plate retention portions that are formed integrally with the base portion of the hub and touch an outer peripheral surface of the metal plate at at least four locations, which are at equal intervals in a circumferential direction of the hub.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.