Tape guide roller with zoned non-smooth surface
US7515382B2 · kind B2 · utility
2Cited by
7References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2005 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | Jul 31, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B15/67
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A tape guide roller comprises a cylindrical barrel with a cylindrical peripheral surface parallel to a central axis; the cylindrical peripheral surface comprising smooth cylindrical surface zones alternating in the circumferential direction about the cylindrical peripheral surface with non-smooth cylindrical surface zones. The non-smooth cylindrical surface zones may comprise a textured surface, and/or may comprise a grooved surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.