Apparatus for forming a stack of signatures
US4541763A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1983 |
| Grant date | Sep 17, 1985 |
| Priority date | — |
| Expiry date | Jul 28, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S414/12
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
New and useful stacking apparatus in which a stacker can form a stream of signatures into a stack, and also associate an end board with one end of the stack. Moreover, the stacker is associated with a clamping mechanism which, when it moves over to the stacker to clamp a stack of signatures, also brings an end board and deposits an end board on the stacker for association with a succeeding stack. The stacker has a main member which moves along a path between a stack receiving position and an end board receiving position. As the main member moves from the end board receiving position, the intermediate member moves out of its way. The stacker also has an interceptor for initiating formation of a stack and a unique way of transferring the partially formed stack from the interceptor to the main member. Means carried by the main member removes the stack from the interceptor and holds the stack above the main member as the interceptor approaches the main member at the stack receiving position, to allow the interceptor to be withdrawn from the stack with minimal frictional engagement. Then, the removing means are withdrawn and the stack allowed to directly engage the main member to comple…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.