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US 6,397,479 B1Granted
Sharpener, in particular for soft-core pencils
AssigneeKUM Limited
InventorFritz Lüttgens
Life of this patent
Estimating the term…
Abstract
A sharpener, in particular for soft-core pencils, includes a sharpener housing which carries a sharpener blade positioned tangentially in relation to a sharpener channel. The housing also has a free space that is open on a lower side of the housing. A core shaper can be introduced, preferably pivoted, from the lower side of the housing into the free space through a carrier plate which carries the core shaper and can be secured on the sharpener housing.
Claims36
A sharpener comprising:
- a sharpener blade having a cutting edge with a front end;
- a sharpener housing having a lower side, an upper side, a free space and a sharpener channel opening out into said free space at a given location, said free space being open at least at one of said sides, said free space disposed laterally beneath said front end of said cutting edge of said sharpener blade, and said sharpener housing having a rear wall directed away from said given location and carrying said sharpener blade tangentially to said sharpener channel;
- a core shaper in said free space for shaping a core tip;
- a carrier plate secured and pivotally retained on said sharpener housing, said carrier plate carrying said core shaper for introducing said core shaper into said free space from one of said sides;
- and
- a film hinge retaining said carrier plate on said rear wall of said sharpener housing.
3 more elements
A sharpener, comprising:
- a sharpener blade having a cutting edge with a front end;
- a sharpener housing having a lower side, an upper side, a free space and a sharpener channel opening into said free space, said free space being open at least at one of said sides, said free space disposed laterally beneath said front end of said cutting edge of said sharpener blade, and said sharpener housing carrying said sharpener blade tangentially to said sharpener channel;
- a core shaper in said free space for shaping a core tip;
- a carrier plate secured on said sharpener housing, said carrier plate carrying said core shaper for introducing said core shaper into said free space from one of said sides;
- a shaving-collecting container to be positioned on said sharpener housing from said upper side of said sharpener housing, said carrier plate pivotally retained on said shaving-collecting container;
- and
- a film hinge connecting said carrier plate and said shaving-collecting container to one another.
4 more elements
Dependencies are inferred from the claim text.