Feed and lock mechanism for multiple bar draped web collator and method
US4469266A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 1982 |
| Grant date | Sep 4, 1984 |
| Priority date | — |
| Expiry date | May 10, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H20/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An improved continuous web handling apparatus and method for printing, handling, collating and final processing of multiple-page printed items such as business forms or the like is provided which employs separate, shiftable, track-mounted web supports having individual, pivotal, spring-biased web keepers to facilitate accurate, continuous draping of printed webs onto the supports for subsequent handling and processing thereof. In preferred forms, the apparatus includes a web fed printing press which continuously feeds printed web to a draping station adjacent the conveyor track; the draping station includes a novel, vacuum air pickup bar intermittently rotated by a five-lobe internal geneva gear mechanism, along with actuating apparatus which pivots the respective web keepers open during initial stages of web drapage and thereafter allows the keepers to close against and hold the web in place. A plurality of webs can be draped one on top of the other on the supports and/or printed on both sides thereof and thereafter removed from the supports for additional processing at speeds economical for short run printing, without fear that the webs will become unacceptably misaligned. The ai…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.