Notebook insert with holepunch
US5409319A · kind A · utility
Inventor
Key dates
| Filing date | May 11, 1994 |
| Grant date | Apr 25, 1995 |
| Priority date | — |
| Expiry date | May 11, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42F13/404
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention is a notebook insert with a housing having a first rigid substantially flat plate having a first set of a number of spaced holes formed therethrough a first side thereof, the first set of holes being adapted for engagement with the rings of a ringed notebook. The housing further has a second set of a number of spaced holes formed therethrough a second side thereof. The housing further includes an opening in a central portion thereof. A number of spaced hinges are located on a side edge of the central portion defined by the opening. A second rigid plate has a first side hingedly connected via the spaced hinges to the first rigid plate. The second plate has a shape substantially matching the shape of the central opening so when the second rigid plate is in a stowed position it may be supported within the central opening. The second plate includes spaced projections formed on an upper surface thereof. The projections are so sized and spaced to align with the second set of spaced holes in the first plate when the second plate is rotated away from the stowed position so as to provide a holepunching capability when paper is inserted between the first plate and the second pl…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.