Automatic paper folder
US6773386B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | May 14, 2003 |
| Grant date | Aug 10, 2004 |
| Priority date | — |
| Expiry date | May 14, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H45/14
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A paper folder including an input drive roller arrangement having an input drive roller with a circumferential gap, and an idler roller forming an input nip with the input drive roller for advancing a paper sheet into a housing; a flexible stripper pad of high friction material positioned at the circumferential gap; a fixed guide which guides the sheet into a loop turning back upon itself such that a leading edge of the sheet impinges upon a transverse line in a trailing portion of the sheet; an output roller arrangement in the housing which forms a folding nip extending along and adjacent to the transverse line; a second drive arrangement in the housing in front of the transverse line for positively driving the leading edge to impinge upon the transverse line; and a stocker mounted on the housing for stocking a plurality of fully folded paper-like sheets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.