Printing media feed and retaining apparatus for a thermal inkjet printer/plotter
US5530459A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 1994 |
| Grant date | Jun 25, 1996 |
| Priority date | — |
| Expiry date | Aug 31, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2404/1421
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In a computer driven printer/plotter, a printing media feed and retaining apparatus which has at least three pinch rollers mounted on a pinch roller support member having a print media guide surface and a support and actuation arm extending from a side of the pinch roller support member opposite the guide surface, and wherein an axis of said support and actuation arm intersects a vertical centerline through the middle of a polygon figure defined by intersection of straight lines between pinch rollers and having one pinch roller at each corner thereof. The pinch rollers are supported such that they are self centering and track without skewing or damaging the printing medium without the use of precision parts or mounting techniques.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.