Automatic binder
US5464312A · kind A · utility
7Cited by
8References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 1994 |
| Grant date | Nov 7, 1995 |
| Priority date | — |
| Expiry date | May 10, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42B5/103
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An apparatus and method for installing binder elements onto a stack of pre-punched paper including a platform for holding the paper, reciprocating guide fingers for inserting through the pre-punched holes to engage free ends of curled fingers of the binder element whereas the spine part of the binder element is restrained by a holder which moves laterally to spread apart the curled fingers. The spread apart curled fingers then are flattened and driven upwardly through the holes as the guide fingers retreat upwardly and thereafter separate from the curled fingers to complete the binding of the pages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.