Holddown for a hardcopy device
US6789890B2 · kind B2 · utility
5Cited by
13References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2002 |
| Grant date | Sep 14, 2004 |
| Priority date | — |
| Expiry date | Aug 15, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J11/0085
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A holddown for a hard copy device comprises a member having a surface and plural vacuum zones. Each of the vacuum zones defines a cavity in the surface having at least one port therethrough, and each cavity is defined by a sidewall circumscribing the cavity. At least one of the cavities has sidewall with a first section at a first height relative to the surface and a second section at a second height relative to the surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.