Paper conveyance device and printer
US8857978B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 9, 2011 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Nov 13, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J15/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A paper conveyance device for a printing device that prints information using a printhead on conveyed continuous paper R, including a paper conveyance mechanism that holds and conveys the continuous paper to the print area of the printhead, and a guide unit that has two guide surfaces facing the conveyed continuous paper. The guide unit has a plurality of ribs that are disposed to at least one of the two guide surfaces with a specific gap therebetween in the direction perpendicular to the conveyance direction, protrude to the continuous paper side, and extend in the conveyance direction. The rib located in the middle of the width of the conveyed continuous paper being the longest of the plural ribs in the conveyance direction, and the length in the conveyance direction of the other ribs becoming gradually shorter with proximity to the sides of the continuous paper width.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.