Multi-layer sheet feeder
US7300047B2 · kind B2 · utility
2Cited by
34References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 2004 |
| Grant date | Nov 27, 2007 |
| Priority date | — |
| Expiry date | Jul 30, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2601/522
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A sheet feed mechanism having a multi-layer structure. The multi-layer structure has a wear layer adapted to contact a sheet during sheet feeding and a replacement indicator layer adjacent the wear layer. The replacement indicator layer is adapted to indicate a wear condition of the multi-layer structure upon wear through the wear layer to the replacement indicator layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.