Pencil sharpener
US7363714B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 3, 2006 |
| Grant date | Apr 29, 2008 |
| Priority date | — |
| Expiry date | Jul 3, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D2040/202
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A pencil sharpener has at least two sharpener units, each with a sharpener body and a shaving blade. The sharpener bodies of adjacent sharpener units being connected integrally via film strips acting as a predetermined bending point and/or predetermined separating point. In a second variant, the pencil sharpener has a sharpener body and a shaving blade fastened thereon. The sharpener body has a guide sleeve with a bore defining a pencil-guiding channel for a pencil to be sharpened, and at least one flat supporting wing which projects approximately radially in cross section from the guide sleeve. In an end region of the supporting wing a functional element is provided for protecting or for working on the tip of the pencil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.