Method and apparatus for feeding and folding sheets
US8257238B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 26, 2010 |
| Grant date | Sep 4, 2012 |
| Priority date | — |
| Expiry date | Mar 4, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H45/18
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method and apparatus are provided for feeding and folding sheets. Providing a folding blade having a free edge, reciprocably movable between a retracted position and a folding position, provided with blade surfaces adjacent to the free edge converging towards the free edge at a first angle in the folding position, and by further providing a pressing mechanism having pressing surface areas reciprocably movable between a retracted position and a pressing position, and enclosing in the pressing position a second angle larger than the first angle of the folding blade, allows an apparatus, having a pair of folding rollers and a sheet support, selectively to fold only an outer sheet from a set of sheets or to fold a set of sheets simultaneously.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.