Sheet folding apparatus and image forming apparatus
US6004254A · kind A · utility
15Cited by
13References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 4, 1998 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | Feb 4, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31F1/0012
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a sheet folding apparatus comprising a folding means for folding a sheet by feeding a folded portion of the sheet by a pair of rotary members, in which the folded portion of the sheet is passed through a nip between the pair of rotary members by plural times by rotating said pair of rotary members in normal and reverse directions alternately. It further comprises a switch-back control means for controlling so that a return speed of the sheet obtained by the pair of rotary members becomes slower than an advancing speed of the sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.