Ring binder adaptor for removable covers
US5116081A · kind A · utility
Inventor
Key dates
| Filing date | Jul 12, 1991 |
| Grant date | May 26, 1992 |
| Priority date | — |
| Expiry date | Jul 12, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42F13/0006
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An adaptor for a ring separator is attached to a conventional ring separator mechanism and provides a means for attaching removable covers to form a binder. The adaptor has a plurality of slots on each side requiring a cover, with at least one slot on each side having an upwardly extending projection which is matable with a hole in a removable cover. The removable cover also has a notched edge with extending portions being receivable slots in the adaptor. When pressed into the slots, the projection engages the hole to hold the cover in place. Utilizing such an adaptor provides a simple efficient means of providing removable covers for a ring binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.