Pressure reducing folding system that adapts to booklet thickness
US8444540B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2010 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Jul 21, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00936
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A device for folding sheets of a medium into a booklet is provided. The device includes a frame; a cam mechanism attached to the frame; a lever attached to the frame, the lever being actuated by the cam mechanism; a first scissor arm attached to the frame, the first scissor arm being actuated by the lever; a pair of first rolls, one of the first rolls being movable by the first scissor arm; a second scissor arm attached to the frame, the second scissor arm being actuated by the lever; a pair of second rolls, one of the second rolls being movable by the second scissor arm; a crease blade for contacting the sheets to create a crease in the sheets; and a controller that controls a position of the crease blade, a gap between the pair of first rolls, and a gap between the pair of second rolls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.