EP1598215A1 - Taille-crayon pour un crayon - Google Patents

Taille-crayon pour un crayon Download PDF

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Publication number
EP1598215A1
EP1598215A1 EP04012155A EP04012155A EP1598215A1 EP 1598215 A1 EP1598215 A1 EP 1598215A1 EP 04012155 A EP04012155 A EP 04012155A EP 04012155 A EP04012155 A EP 04012155A EP 1598215 A1 EP1598215 A1 EP 1598215A1
Authority
EP
European Patent Office
Prior art keywords
sharpener
guide sleeve
pin
guide
protective cap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04012155A
Other languages
German (de)
English (en)
Other versions
EP1598215B1 (fr
Inventor
Lüttgens (jr.), Fritz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KUM Ltd
Original Assignee
KUM Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KUM Ltd filed Critical KUM Ltd
Priority to EP20040012155 priority Critical patent/EP1598215B1/fr
Priority to DE200450011098 priority patent/DE502004011098D1/de
Publication of EP1598215A1 publication Critical patent/EP1598215A1/fr
Application granted granted Critical
Publication of EP1598215B1 publication Critical patent/EP1598215B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L23/00—Sharpeners for pencils or leads
    • B43L23/08—Sharpeners for pencils or leads in which the pencils or leads are sharpened mainly by rotational movement against cutting blades
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/08—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks with provision for sieves or shaping parts for sticks ends

Definitions

  • the invention relates to a sharpener for a pen, in particular a Cosmetic pencil.
  • a sharpener is commonly used to sharpen the lead of a pencil and thereby peeling off an optional mine casing.
  • a sharpener comprises a roughly cuboidal sharpener body, in which a substantially circular cone-shaped pointed cone as a guide for the Pen tip is introduced such that its lateral surface an outer surface of the Sharp body touched about. In the vicinity of this tangent is the pointed cone via a chip ejection slot to the adjacent outer surface of the sharpener body opened.
  • a sharpener further includes a paring knife that is tangential with respect to the lateral surface of the pointed cone is mounted on the sharpener body and protrudes with a cutting edge in the Spanausschlitz, so that when twisted a pin inserted into the pointed cone opposite the sharpener body a chip lifted off the pin by the cutting edge of the peeling knife becomes.
  • pins with hard lead material are often pins with softer, more plastic Mine used.
  • cosmetic pencils are usually among these mentioned softwood pencils. When you point a softwood pencil occurs reinforced the problem on that the peeled soft lead material in the pointed cone or sticking to the paring knife and forming lumpy residues. This can cause soiling or smearing of the pin surface Pointed process or even obstruction of the pointed cone or other Impairment of Spitz function and is therefore undesirable.
  • Special sharpeners for soft pencils are therefore often with a comparatively wide chip ejection slot and / or one opposite the sharpener blade Opening the pointed cone provided to facilitate the ejection of the mine mass and the peeling knife and tip of the pointed cone for the purpose of cleaning easier to access.
  • the invention is based on the object, a particularly compact and inexpensive producible and in particular in connection with a cosmetic pencil specify particularly advantageous sharpener.
  • the sharpener body comprises a guide sleeve and one to this Guide sleeve molded knife holder.
  • the guide sleeve is penetrated by a bore which has a pin guide channel Are defined.
  • a pin guide channel Are defined.
  • the guide sleeve and in particular their bore thus have along the axis of the bore an insertion and an opposite exit end for the pen.
  • Stift Unitskanal the volume is called, which is to be sharpened pin in Tip position inside and outside the guide sleeve occupies.
  • the pin guide channel results from the inner volume of the hole and its mental Extension in the space outside the guide sleeve.
  • a support surface for the paring knife is arranged such in that the peeling knife positioned thereon in the axial direction over the the exit end of the guide sleeve protrudes and to the axis of the pin guide channel is employed obliquely.
  • the paring knife is in particular such aligned with the axis of the pin guide channel that the cutting edge of the paring knife about a line intersecting the axis of the pin guide channel line forms.
  • the invention is based on the idea, the sharpener body of a sharpener on the To reduce essentials.
  • As essential is the wall of a pin guide channel and a suitably positioned support surface for the paring knife recognized.
  • the wall of the pin guide channel according to the invention the guide sleeve provided, the bearing surface expediently through the knife holder formed on the guide sleeve.
  • the sharpener body formed in this way is both particularly material-saving trained and easy to manufacture under manufacturing aspects.
  • the formed from the guide sleeve and the knife holder Sharper body particularly cost effective as a casting of metal or plastic produced, especially for this a comparatively simple and therefore inexpensive Mold is usable.
  • the knife holder surrounds the Stift Adjustskanal only in a circumferential angle range of about 90 °, so that the pin guide channel in the area of the pen tip in a circumferential angle range of about 270 ° is not limited by enclosing walls. This will be a Obstruction of the sharpener and other, by adhering mine mass one Soft pencil used used particularly effectively avoided.
  • the outlet end is preferably a conically tapering towards this end Bore portion provided which forms a stop for the pin and thus ensures a uniform controlled chip removal.
  • the Guide sleeve has a circular cross-section outer circumference.
  • the Outer circumference of the guide sleeve may deviate but also for example be designed polygonal.
  • the sharpener body is a substantially wedge-shaped configuration of the knife holder, wherein the wedge slope forms the bearing surface for the paring knife.
  • the knife holder is in this case with the wedge base, i. the high wedge end, on formed a peripheral region of the guide sleeve, so that the longitudinal axis of the wedge is aligned approximately parallel to the axis of the pin guide channel and the horizontal surface of the wedge lies approximately in one plane with this axis.
  • the sharpener In a preferred embodiment of the invention is to the circumference of the guide sleeve at least one support wing formed, the - viewed along the axis of the pin guide channel - substantially radially of the guide sleeve protrudes.
  • two such support wings are provided which are in opposite directions Position are arranged on the circumference of the guide sleeve.
  • the river Oder The support wings allow - similar to the wings of a wing nut - a simplified manual operation of the sharpener.
  • the or the supporting wings serve the Further also for simple and advantageous fixing of the sharpener body in one Spagginggetudeuse or for clamping the sharpener body in the drive mechanism a hand-cranked or motorized automatic slot machine. In the latter case, the sharpener according to the invention forms an inexpensive peeling plant for the slot machine.
  • a support wing in the field of knife holder to the Guiding sleeve formed so that the knife holder integrated into the support wing is.
  • the or the support wings are preferably - also analogous to the wings of a wing nut - starting from the guide sleeve to the rear, i. in the axial direction over the outlet end of the guide sleeve led out.
  • advantageous embodiment are facing away from the guide sleeve ends two supporting wings connected to each other, so that the supporting wings a closed Form support frame.
  • Support frame are facing away from the guide sleeve ends of the support wings not directly connected. Rather, that is from the guide sleeve opposite end of each supporting wing in turn on the periphery of a second Molded sleeve, which is arranged coaxially with the guide sleeve and as a plug-in sleeve is provided for the drive shaft of a slot machine.
  • This insertion sleeve is preferably provided with a substantially central bore, which has a non-circular cross-section to form a positive To allow torque transmission from the drive shaft to the sharpener body.
  • a bore with a cross section is particularly suitable in the form of a polygon or circle segment.
  • a major advantage of the described spokesman is that he under Use of the same sharpener body is multifunctional usable, on the one hand as an open hand sharpener, on the other hand by combining the sharpener body with a chip box as a housing sharpener and turn on the other hand as inexpensive cutting unit of a slot machine.
  • An advantageous for holding the sharpener body chip collecting housing comprises at least one guide groove, in which a corresponding support wing of the Sharp body rests positively.
  • the sharpener housing Insert along the or each guide groove in the chip box.
  • the chipboard housing is an edge the guide groove formed as Aufrastnase.
  • the sharpener body Due to the extremely compact size of the sharpener body can also be Realize sharpener housing very compact. This is especially the case for a Tips provided by cosmetic pencil sharpener of great advantage, especially as the compact size of the Spusinggeophuses an unproblematic entrainment of Spitzer in a bag, etc. relieved.
  • the invention is the combination of several sharpener body in a common Housing provided. Appropriately, in this case are in particular Sharpener bodies designed for different pin diameters combined. It is also conceivable, however, the combination of sharps from different Material, in particular plastic and metal.
  • a protective cap which is placed on the pen tip.
  • the peak on the one hand can always be canceled in conjunction with the pen in this embodiment become available immediately when needed.
  • the sharpener serves in its additional function as a protective cap at the same time to protect the pencil lead.
  • the protective cap and the actual sharpener body are preferred to each other open axially opposite sides, so that the sharpener is merely reversed must be to select it either to the top or in its function as a protective cap to use.
  • the protective cap unfolds its protective function in particular Dimensions when closed at the end facing the guide sleeve is.
  • the protective cap encloses the pin circumference preferably airtight to dry out to prevent the mine. This is especially true of cosmetic pencils whose Mine mass often has a particularly high water content.
  • the protective cap on an adjacent to its insertion inner portion preferably provided with a slightly tapered sealing cone, which engages sealingly when inserting the pin on the pin circumference.
  • the Protective cap is suitably made of an elastic material, in particular a plastic material.
  • the sharpener 1 shown in FIGS. 1 to 5 in a first embodiment comprises a one-piece sharpener body 2 made of plastic or metal and a Paring knife 3.
  • the sharpener body 2 in turn comprises a guide sleeve 4 and an integrally formed on this knife holder. 5
  • the guide sleeve 4 is penetrated by a central bore 6, a Pin guide channel 7 defined.
  • the guide sleeve 4 and in particular its bore 6 have an insertion end 8, on which a pin S to be sharpened (Fig. 15) is to be introduced in the course of the sharpening operation in the bore 6. That the Introductory 8 axially opposite end of the guide sleeve 4 and the bore 6, to which the pen tip of the pin S in pointed position again from the Guide sleeve 4 protrudes, is referred to as the outlet end 9.
  • the pin guide channel 7 designates the volume that the pin S to be sharpened in pointed position inside and outside of the guide sleeve 4 occupies.
  • the bore 6 is cylindrical, i. especially with constant diameter, executed.
  • This cylindrical portion 10 serves to ensure a good Guide the pin S along the axis 11 of the pin guide channel 7.
  • adjacent portion 12 of the guide sleeve 4 tapers the bore 6, however, conical towards the outlet end 9.
  • This conical section 12 of the bore 6 serves as a stop of the pin S in the pointed position.
  • the outer circumference 13 of the guide sleeve 4 can in principle be designed arbitrarily. In the illustrated embodiments, the outer circumference 13 of the guide sleeve 4 but always circular.
  • the knife holder 5 has, as can be seen in particular from FIGS. 2 and 3, essentially the shape of a wedge whose horizontal surface 14 with low Distance is aligned parallel to the axis 11 of the pin guide channel 7.
  • the Inclined surface of the wedge shape forms a bearing surface 15 on which the Paring knife 3 is positioned at an angle with respect to the axis 11.
  • the Support surface 15 is for this purpose, in particular on its side remote from the axis 11 Edge surrounded by a ring-like positioning aid 16, on which the Paring knife 3 is applied.
  • the paring knife 3 is aligned in this position, that its cutting edge 17 is a line about the axis 11 intersecting line forms.
  • the paring knife 3 is by means of a fastening screw 18 on the support surface 15 fixed.
  • the knife holder 5 is offset with its longitudinal axis parallel to the axis eleventh arranged so that its wedge tip 19 is remote from the guide sleeve 4, and the wedge base 20 opposed to the wedge tip 19 corresponding to the guide sleeve 4 faces.
  • the knife holder 5 overlaps in the area of the wedge base 20 with the guide sleeve 4 in an axial region, the axial length of the conical portion 12 of the guide sleeve 4 exceeds. Through this overlap is achieved that the pin S peeled clean to its outer periphery becomes.
  • the guide sleeve 4 is provided with a chip ejection slot 21 provided, in which the cutting edge 17 of the peeling blade 3 protrudes.
  • FIGS. 6 to 8 show a second embodiment of the sharpener 1.
  • the knife holder 5 and positioned on this Peeling knife 3 is similar to this second embodiment of the above-described Embodiment (Figs. 1 to 5).
  • the sharpener body 2 additionally comprises two support wings 25,26, each of which in the region of an end 27 to the outer periphery 13 of the Guide sleeve 4 is formed and from there - in cross section along the axis 11 seen - radially protrudes.
  • the two support wings 25,26 are in particular at mutually opposite peripheral regions of the guide sleeve 4th arranged so that the sharpener body 2 has approximately the shape of a wing nut.
  • Each support wing 25,26 has an elongated, plate-like shape, whose Longitudinal extent is aligned parallel to the axis 11. From the guide sleeve 4 facing end 27 of each support wings 25,26 extends in Direction of the exit end 9 and beyond this. Flank the support wings 25,26 thus in the axial direction, the knife holder 5 and the paring knife. 3
  • the support wings 25,26 are arranged such that a respective lower surface 28th of each support wing 25,26 with the horizontal surface 14 of the wedge-shaped knife holder 5 is aligned.
  • the knife holder 5 is integrated in the support wing 25, so that the lower surface 28 of the support wing 25 with the horizontal surface 14th the knife holder 5 forms a common, contiguous surface.
  • FIGS. 9 to 11 show a third embodiment of the sharpener 1. These in turn, is similar to the second embodiment ( Figures 6 to 8) However, the latter by the fact that the support wings 25,26 in the area of the guide sleeve 4 facing away and thus the respective end 27 opposite Merged end 30 and are integrally connected.
  • the support wings 25,26 thus form a substantially rectangular, closed Support frame 31, in which the knife holder 5 and the guide sleeve 4th are integrated.
  • FIGS. 12 to 14 show a fourth embodiment of the sharpener 1.
  • a closed Support frame 31 formed from the support wings 25,26.
  • the ends 30 are the support wings 25,26 not directly connected to each other, but in each case to the outer periphery 35 formed a Einsteckhülse 36 coaxial with the guide sleeve 4th and is arranged offset axially to this, so that the knife holder 5 between the guide sleeve 4 and the insertion sleeve 36 is received.
  • the insertion sleeve 36 is provided with a bore 37, in which a drive shaft 38th (Fig. 16) of a slot machine can be inserted.
  • the bore 37 has a non-circular cross-section.
  • the Cross-section of the bore 37 formed in a circular segment, as in particular in Figs. 17 and 18 can be seen.
  • Fig. 15 shows the fourth embodiment of the sharpener (Figs 12 to 14) in perspective Representation with a inserted into the guide sleeve 4 in a pointed position Pen p.
  • Fig. 16 shows this embodiment of the sharpener 1 together with in the Insertion sleeve 36 inserted drive shaft 38 of the (not shown) Spitz machines.
  • the sharpener 1 additionally comprises a chip-trapping housing 40, in which the sharpener body 2 is received ( Figures 17 and 18).
  • the chip-trapping housing 40 includes two parallel to each other in opposite directions Housing side walls 41 and 42 introduced guide grooves 43, wherein in each guide groove 43, a corresponding support wing 25 and 26 respectively rests positively.
  • the thus formed sharpener 1 has particular the advantage that the sharpener body 2 not - as usual - on a floor the Spagginggepuruses 40 is constructed, but in the interior 44 of the chip box hangs.
  • the pin guide channel 7 is thereby again largely open to the interior 44 of the chip box 40, so that a particularly good ejection of the peeled mine material is ensured.
  • the chip catcher housing 40 is in cross section made in one piece.
  • the sharpener body 2 is in this case along the guide grooves 43 inserted into the chip box 40.
  • the chip-trapping housing 40 a housing bottom 45 and one of this removable housing cover 46.
  • the sharpener body 2 is in this variant with the housing cover 46 open from above, and thus across the extension of the guide grooves 43 inserted into the housing bottom 45.
  • the housing cover 46 facing edge each guide groove 43 formed by one or more locking lugs 47, over which the corresponding support wings 25,26 snapped into the guide groove 43 becomes.
  • FIGS. 19 to 21 show a fifth embodiment of the sharpener 1, in which instead of the insertion sleeve 36 (as shown in FIG. 12) a protective cap 48th is provided for the pin S.
  • This protective cap 48 is connected to one with the pin guide channel 7 coaxial receptacle 49 provided in one of the guide sleeve 4 opposite end 50 of the cap 48 arranged insertion opening 51 opens for the pin S.
  • the insertion 51 of the cap 48 and the insertion end 8 of the guide sleeve 4 are thus axially opposite each other.
  • the protective cap 48 closed.

Landscapes

  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
EP20040012155 2004-05-21 2004-05-21 Taille-crayon pour un crayon Expired - Lifetime EP1598215B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20040012155 EP1598215B1 (fr) 2004-05-21 2004-05-21 Taille-crayon pour un crayon
DE200450011098 DE502004011098D1 (de) 2004-05-21 2004-05-21 Spitzer für einen Stift

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20040012155 EP1598215B1 (fr) 2004-05-21 2004-05-21 Taille-crayon pour un crayon

Publications (2)

Publication Number Publication Date
EP1598215A1 true EP1598215A1 (fr) 2005-11-23
EP1598215B1 EP1598215B1 (fr) 2010-04-28

Family

ID=34925088

Family Applications (1)

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EP20040012155 Expired - Lifetime EP1598215B1 (fr) 2004-05-21 2004-05-21 Taille-crayon pour un crayon

Country Status (2)

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EP (1) EP1598215B1 (fr)
DE (1) DE502004011098D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1818181A1 (fr) 2006-01-24 2007-08-15 KUM Limited Taille-crayon pour crayon à mine tendre
CN104890418A (zh) * 2015-06-25 2015-09-09 胡海明 铅笔削接器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104875533B (zh) * 2015-06-25 2016-06-22 胡海明 多功能削笔器
CN104875532B (zh) * 2015-06-25 2016-06-22 胡海明 无限延接削笔器

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1601118A (en) 1925-03-11 1926-09-28 Henry J Hassenfeld Pencil sharpener
US1887422A (en) 1932-08-17 1932-11-08 Plastic Craft Novelty Company Pencil sharpener
DE606888C (de) * 1933-07-16 1934-12-13 Paul Moebius Fa T Bleistifthalter mit Spitzer
DE668717C (de) 1938-12-08 Paul Moebius Fa T Bleistiftspitzer mit Messer
FR1068481A (fr) 1952-12-20 1954-06-25 Perfectionnement aux taille-crayons
DE2743120A1 (de) 1977-09-24 1979-03-29 Klebes & Co Kg A Spitzer fuer ummantelte stifte mit weicher mine
US4620558A (en) 1982-02-12 1986-11-04 A. Klebes Gmbh & Co. Kg Kunststoff- Und Metallwarenfabrik Device for shaving jacketed sticks
US5379817A (en) 1994-03-03 1995-01-10 O'neil; Edmund Sharpener for a soft element pencil
DE19952039A1 (de) 1999-10-28 2001-05-03 Moebius & Ruppert Kg Spitzer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE668717C (de) 1938-12-08 Paul Moebius Fa T Bleistiftspitzer mit Messer
US1601118A (en) 1925-03-11 1926-09-28 Henry J Hassenfeld Pencil sharpener
US1887422A (en) 1932-08-17 1932-11-08 Plastic Craft Novelty Company Pencil sharpener
DE606888C (de) * 1933-07-16 1934-12-13 Paul Moebius Fa T Bleistifthalter mit Spitzer
FR1068481A (fr) 1952-12-20 1954-06-25 Perfectionnement aux taille-crayons
DE2743120A1 (de) 1977-09-24 1979-03-29 Klebes & Co Kg A Spitzer fuer ummantelte stifte mit weicher mine
US4620558A (en) 1982-02-12 1986-11-04 A. Klebes Gmbh & Co. Kg Kunststoff- Und Metallwarenfabrik Device for shaving jacketed sticks
US5379817A (en) 1994-03-03 1995-01-10 O'neil; Edmund Sharpener for a soft element pencil
DE19952039A1 (de) 1999-10-28 2001-05-03 Moebius & Ruppert Kg Spitzer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1818181A1 (fr) 2006-01-24 2007-08-15 KUM Limited Taille-crayon pour crayon à mine tendre
CN104890418A (zh) * 2015-06-25 2015-09-09 胡海明 铅笔削接器
CN104890418B (zh) * 2015-06-25 2016-06-08 胡海明 铅笔削接器

Also Published As

Publication number Publication date
DE502004011098D1 (de) 2010-06-10
EP1598215B1 (fr) 2010-04-28

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