Hole punching device for a ringed notebook
US5273370A · kind A · utility
8Cited by
5References
11Claims
0Family size
Inventors
Key dates
| Filing date | Nov 9, 1992 |
| Grant date | Dec 28, 1993 |
| Priority date | — |
| Expiry date | Nov 9, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42F13/404
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A device for punching holes in paper is adapted to be positioned within the binder mechanism of a loose leaf notebook. The device employs an integral receiving base having a bore and cutting aperture. A punch member is slidably disposed within the bore above the aperture and adapted to move in a reciprocal manner in orthogonal relationship to the notebook.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.