Sheet feeder for second pass copy substrate
US4901117A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 3, 1988 |
| Grant date | Feb 13, 1990 |
| Priority date | — |
| Expiry date | Oct 3, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H3/06
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A sheet feeder for feeding sheets from a support platform comprising a sheet support platform, a rotatable sheet feed roll reciprocally movable between a sheet feeding position wherein it is in feeding engagement with the top sheet when at least one sheet is on said support platform and a retracted standby position wherein it is retracted from feeding engagement with said the top sheet and a movable sheet restrictor member positioned by gravity to maintain the top sheet spaced from the rotatable feed roll when the feed roll is in the retracted standby position. In a preferred embodiment the sheet feeder prints for a second pass through a printing machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.