Loose leaf binder revision device and method of using same
US5160208A · kind A · utility
5Cited by
10References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 19, 1990 |
| Grant date | Nov 3, 1992 |
| Priority date | — |
| Expiry date | Sep 19, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42F13/22
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A quick revision apparatus (22) and method for guiding loose leaf documents (12) across a gap (11) between a pair of mating binder ring members (3A and 3B) to facilitate quick revision of a set of documents (12) held thereby having a pivotally mounted bridge (6A) for spanning the gap (11) which is moved to an operative position by movement of a leaf element (12) thereon from one of the ring members (3B) to the other ring member (3A).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.