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US 6,634,108 B2Granted
Sharpener for sharpening a soft-core pencil
AssigneeKUM Limited
InventorFritz Lüttgens
Life of this patent
Estimating the term…
Abstract
A sharpener, in particular for a soft-core pencil, has a sharpener housing with a sharpener channel that opens out into a free space via a channel opening. The sharpener has a sharpener blade that is positioned tangentially against the channel opening. The invention provides a magnifying glass for optically enlarging a core formation in the region of the channel opening and/or in the free space.
Claims8
A sharpener, comprising:
- a sharpener container;
- a sharpener housing inserted into said sharpener container, said sharpener housing formed with a free space;
- a sharpener channel having a channel opening that opens into said free space;
- a sharpener blade positioned tangentially against said sharpener channel;
- and
- a magnifying glass for optically enlarging a core formation positioned at a location selected from the group consisting of near said channel opening and in said free space.
3 more elements
Dependencies are inferred from the claim text.