EP0031470B1 - Stiftspitzer mit Gehäuse - Google Patents

Stiftspitzer mit Gehäuse Download PDF

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Publication number
EP0031470B1
EP0031470B1 EP80107426A EP80107426A EP0031470B1 EP 0031470 B1 EP0031470 B1 EP 0031470B1 EP 80107426 A EP80107426 A EP 80107426A EP 80107426 A EP80107426 A EP 80107426A EP 0031470 B1 EP0031470 B1 EP 0031470B1
Authority
EP
European Patent Office
Prior art keywords
slide
pencil
pencil sharpener
halves
introduction opening
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.)
Expired
Application number
EP80107426A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0031470A1 (de
Inventor
Werner Möbius
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.)
T Paul Mobius Metallwarenfabrik
Original Assignee
T Paul Mobius Metallwarenfabrik
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 T Paul Mobius Metallwarenfabrik filed Critical T Paul Mobius Metallwarenfabrik
Priority to AT80107426T priority Critical patent/ATE23690T1/de
Publication of EP0031470A1 publication Critical patent/EP0031470A1/de
Application granted granted Critical
Publication of EP0031470B1 publication Critical patent/EP0031470B1/de
Expired 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

Definitions

  • the invention relates to a hand-operated pen sharpener with a housing that collects the pointed waste and is closed to prevent the emergence of pointed waste, the insertion opening for the pen to be sharpened being fully closable against the emergence of pointed waste by a slide in the operating state of the non-sharpening, wherein the housing consists of a support part for the sharpener part and the slide, an upper part plugged onto and held on the support part, and a chip collecting part into which the support part with a sliding seat can be inserted.
  • a sharpener of this type is e.g. B. from DE-AS 1 003 093 known.
  • the slide covering the insertion opening has to be moved by hand into the release position and after the end of the pointed process into the closed position.
  • a sharpener to be operated by hand according to the preamble of claim 1 is stored in a drawer when not in use, or is kept in a skirt pocket or, in the case of a cosmetic pencil sharpener, also in a women's handbag.
  • the escape of pointed waste, namely shavings and in particular pointed dust, must be prevented in order to avoid contamination of the storage location by the pointed waste.
  • the aim of the invention is to automatically open the insertion opening when the pin to be sharpened and to automatically close it again when the pin is removed so that in each Location of the tip the risk of leakage of tip waste is prevented.
  • the invention in the case of a pencil sharpener of the preamble mentioned at the outset primarily provides that the slide has an abutment surface for the tip of the pencil to be inserted, which is shaped so or runs at such an angle to the direction of displacement of the slide, that the pressure of the pen tip causes the slide to move into the open position, a return spring being provided for the automatic movement of the slide into the position that seals the interior of the housing against leakage of the pointed waste, and that the abutment surface guides the pen tip to the insertion opening.
  • This automatic opening and closing of the insertion opening does not require any special manipulation on the part of the operator, but takes place automatically when the pen to be sharpened is inserted and removed.
  • the pencil sharpener according to FIG. 1 consists in principle of the slide 1, the actual sharpener part 3, the two-part support part 2, the upper part 5 and the chip collecting part 6 of the housing.
  • the sharpener part 3 is held by its contour-adapted recesses 7 of the side walls 8 of the support part halves 2. So you need no screw fastenings for holding the sharpener part 3.
  • the mine dust collects in such screw fastenings or in the holes provided for the screws and leads to contamination.
  • the dimensions are chosen so that when the separating surfaces 9 of the two halves 2 lie against one another, the sharpener part 3 projects into both recesses 7 and bears against their wall. It can be seen that the separating surfaces 9 run in the insertion direction A of the pin to be sharpened and in the longitudinal center line of the slide marked by the arrows B, C.
  • the insertion opening 10 of the sharpener part 3 is located below corresponding openings 11 of the supporting part 2, or 12 of the upper part 5.
  • Each supporting part half has a supporting surface 13, which are at the same height and on which the slide halves 1 rest, these being on the upper side through the upper wall 14 of the supporting part halves are covered.
  • Each of the two slides 1 is provided with an abutment surface 15 which extends at such an angle to the direction of slide of the slider that the pin pressed in according to arrow A and hitting the abutment surface of the slider with its tip displaces it in the direction of arrow B or C.
  • This displacement takes place against the action of a compression spring 16, which is supported between the respective slider half and the respective rear wall 17 of the supporting part half 2.
  • two slide halves 1 are provided, the abutment surfaces of which extend symmetrically from above to the axis 18 of the insertion opening 10 which extends transversely to the sliding direction, so that when the pin is inserted, the latter is symmetrical about the contact comes to both slider halves and moves them outwards.
  • the abutment surfaces do not have to be straight according to this embodiment, they could also be shaped differently z. B. be curved (see also the explanation of Figure 2).
  • the only important thing is that when the pin is inserted over the abutment surface onto the slide, a force component is produced in its sliding direction, which causes the sliding process.
  • the springs 16 automatically bring the slider halves 1 back into the starting position (closed position), in which they cover the insertion opening 10. These two slide halves assume a position symmetrical to the insertion opening or the axis 18 mentioned.
  • FIG. 1 allows the support part 2 to be divided in two to make it relatively easy to spray this plastic part, including the wing halves 13, the recess 7 and the upper sides or walls 14. Only the sharpener 3 and the slider 1 are included for the assembly to insert the springs 16 and to hold them by assembling the supporting part shafts 2, as well as plugging the upper part 5 over the fully assembled supporting part.
  • the support part 2 is open at its end to be inserted into the chip collection part and has end edges 18 extending from the outside and above inwards and downwards (based on the illustration in the drawing). These end edges 18 serve, on the one hand, to automatically center the support part to the chip collection part in the case Put together. Secondly, they allow a screwdriver to be inserted into the supporting part from below, for example in the direction of arrow D, and thus the knife blade of the sharpener part 3 can be replaced without having to remove the sharpener part itself from the supporting part.
  • the plug-in connection between the supporting part and the chip collecting part is a sliding seat, which prevents the leakage of the pointed waste, but enables a relatively easy plugging and dismantling.
  • the front edges 19 of the upper part and 20 of the chip collecting part collide.
  • Figure 2 corresponds in principle to that of Figure 1, so that the same numbers are used for the same parts; or in the case of deviations, the respective digit was provided with a comma.
  • the support part 2 ' is in one piece and instead of the cutouts 7 has openings 7' into which the sharpener part 3 can be inserted in the direction of the arrow E until its side wall 4 is approximately flush with the outer surface of the respective support part wall 8 '.
  • the sharpener part is held by pushing on the upper part 5.
  • wavy spring parts 16 ' are provided.
  • these can be injection molded in one piece from plastic together with the slide halves 1.
  • another elastic plastic part could also be provided, provided that it exerts the described restoring force.
  • the slide halves 1 with the spring parts 16 ' are placed from above on the wing 13 of the one-piece supporting part 2'. They are held in this position by the lower surface of the upper side of the upper part 5 as soon as it is placed over the supporting part 2 '. This is in assembly, i.e. H. in the assembly of the pencil sharpener easier than the lateral insertion of the parts 1 in the embodiment of Figure 1.
  • the abutment surface 15 ' is not straight here, but runs in an arc shape (see above).
  • the curvature runs outwards in such a way that a tangent placed on it runs adjacent to the insertion opening or push-through opening 10 approximately in the insertion direction A.
  • the end edges 19 'and 20' of the parts 5, 6 run approximately parallel to the end edge 18 of the supporting part and also abut one another when the housing is plugged together.
  • FIG. 3 shows that the slide 1 'can also take an angle ⁇ to the plane of the insertion opening 10 of the sharpener part 3 .
  • the arrangement is such that the abutment surfaces 15 "here are the part of the slide which has the greatest distance from the insertion opening. This ensures that with the insertion of a pin an even greater force component in the sliding directions B 'and C' on the Slider halves 1 'is exerted than in the course of the slider according to the exemplary embodiments in FIGS. 1 and 2.
  • the slider or the slider halves can be held on the support part by dovetail guides or the like (not shown).
  • Figure 4 shows a sharpener similar to the embodiment of Figure 2, except that the upper part 5 ", the supporting part 2" and the chip collecting part 6 "have a somewhat different shape.
  • the slide halves 1 are provided with a straight abutment surface 15 and have the same with them one-piece corrugated plastic leather parts 16 '. They are placed on the wing 13 analogously to FIG. 2, whereby they are also held by the cover while maintaining a sliding seat.
  • the sharpener part (not shown here) can be held in any manner.
  • a projecting and circumferential edge 21 in the manner of a federal government is provided, with which on the one hand the supporting part 2 "is supported on the upper end edge 22 of the chip collecting part 6".
  • the edge 21 serves as an abutment and thus a support for the lower end edge 23 of the upper part 5 ".

Landscapes

  • Drawing Aids And Blackboards (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Catching Or Destruction (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
EP80107426A 1979-11-29 1980-11-27 Stiftspitzer mit Gehäuse Expired EP0031470B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80107426T ATE23690T1 (de) 1979-11-29 1980-11-27 Stiftspitzer mit gehaeuse.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2948086 1979-11-29
DE2948086A DE2948086C2 (de) 1979-11-29 1979-11-29 Stiftspitzer mit Gehäuse

Publications (2)

Publication Number Publication Date
EP0031470A1 EP0031470A1 (de) 1981-07-08
EP0031470B1 true EP0031470B1 (de) 1986-11-20

Family

ID=6087184

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80107426A Expired EP0031470B1 (de) 1979-11-29 1980-11-27 Stiftspitzer mit Gehäuse

Country Status (11)

Country Link
EP (1) EP0031470B1 (da)
JP (1) JPS56120398A (da)
AT (1) ATE23690T1 (da)
AU (1) AU6490680A (da)
BR (1) BR8007799A (da)
DE (1) DE2948086C2 (da)
DK (1) DK509680A (da)
ES (1) ES264589Y (da)
FI (1) FI69599C (da)
NO (1) NO152244C (da)
ZA (1) ZA807442B (da)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59194991U (ja) * 1983-06-13 1984-12-25 シヨウワノ−ト株式会社 鉛筆削り器
DE3410255C1 (de) * 1984-03-21 1985-03-21 Möbius & Ruppert, 8520 Erlangen Bleistiftspitzer
US20030013395A1 (en) * 2001-06-20 2003-01-16 Fuji Jukogyo Kabushiki Kaisha Chip collecting apparatus for tip dresser
JP4772219B2 (ja) * 2001-06-27 2011-09-14 富士重工業株式会社 チップドレッサ用切粉回収装置
CN100540335C (zh) * 2006-09-29 2009-09-16 洪慧逸 具有削笔芯功能的削芯器
DE102009051667B4 (de) 2009-11-02 2011-09-01 Eisen Gmbh Spitzer für Schreib, Zeichen- oder Kosmetikstifte
DE102013018287B4 (de) * 2013-10-31 2015-09-24 Eisen Gmbh Spitzer für Stifte
US20150224816A1 (en) * 2014-02-12 2015-08-13 Melissa & Doug, Llc Sharpener for marking instruments
TW201542424A (zh) * 2014-05-09 2015-11-16 Sdi Corp 自動開蓋裝置
CN105082840B (zh) * 2014-05-22 2017-07-04 顺德工业股份有限公司 自动开盖装置
DE202015000351U1 (de) 2015-01-15 2015-02-13 Möbius & Ruppert KG Dosenspitzer
CN114683749B (zh) * 2020-12-25 2024-02-27 义乌市鼎邦文体用品有限公司 电动削笔机
DE202022103385U1 (de) 2022-06-15 2022-07-06 Eisen Gmbh Spitzer zum Anspitzen wenigstens eines Stifts
DE102022115109A1 (de) 2022-06-15 2023-12-21 Eisen Gmbh Spitzer zum Anspitzen wenigstens eines Stifts

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2169908A (en) * 1938-12-19 1939-08-15 William F Wells Pencil sharpener
US2822781A (en) * 1951-01-22 1958-02-11 Edward F Burton Electric pencil sharpener
DE1003093B (de) * 1956-07-31 1957-02-21 Moebius Metallwarenfab Paul Behaelterminenspitzer
DE2819134A1 (de) * 1978-04-29 1979-11-08 Faber Castell A W Spitzer mit behaelter

Also Published As

Publication number Publication date
DE2948086C2 (de) 1982-11-04
ES264589Y (es) 1983-05-16
FI803610L (fi) 1981-05-30
ZA807442B (en) 1981-11-25
NO152244C (no) 1985-08-28
EP0031470A1 (de) 1981-07-08
FI69599C (fi) 1986-03-10
NO803607L (no) 1981-06-01
NO152244B (no) 1985-05-20
DK509680A (da) 1981-05-30
BR8007799A (pt) 1981-06-16
DE2948086A1 (de) 1981-06-04
ES264589U (es) 1982-11-16
ATE23690T1 (de) 1986-12-15
FI69599B (fi) 1985-11-29
AU6490680A (en) 1981-06-04
JPS56120398A (en) 1981-09-21

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