Buckle chute folder exit rollers
US4976419A · kind A · utility
2Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 1989 |
| Grant date | Dec 11, 1990 |
| Priority date | — |
| Expiry date | Feb 23, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H45/148
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A buckle chute folder for folding a plurality of paper sheets. The folder includes: a buckle chute; a pair of folding rollers downstream of the buckle chute; a curved paper guide downstream and adjacent the folding rollers for changing the direction of the folded sheets as they exit the folding rollers; and a pair of exit rollers downstream of the paper guide. One of the exit rollers has a fluorinated ethylene propylene sleeve whereby neither of the exit rollers feeds a paper sheet forming a part of the plurality of paper sheets ahead of any other of the paper sheets forming the plurality of paper sheets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.