EP0679537A2 - Stylus, in particular a pencil - Google Patents
Stylus, in particular a pencil Download PDFInfo
- Publication number
- EP0679537A2 EP0679537A2 EP95102146A EP95102146A EP0679537A2 EP 0679537 A2 EP0679537 A2 EP 0679537A2 EP 95102146 A EP95102146 A EP 95102146A EP 95102146 A EP95102146 A EP 95102146A EP 0679537 A2 EP0679537 A2 EP 0679537A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- lead
- housing
- section
- holding element
- cross
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K21/00—Propelling pencils
- B43K21/02—Writing-core feeding mechanisms
- B43K21/16—Writing-core feeding mechanisms with stepwise feed of writing-cores
- B43K21/18—Writing-core feeding mechanisms with stepwise feed of writing-cores having ratchet means
Definitions
- the invention relates to a pen, in particular a pencil, with a lead which is movably guided via a lockable displacement device in a housing having a mine exit opening and which wears out during use.
- Ordinary pens such as pencils or crayons generally have a cross-sectionally round lead embedded in a wooden barrel, which can be sharpened with a sharpener whenever it becomes blunt on the front as a result of writing or drawing. It is not possible to work permanently with a trained pen tip, which guarantees appropriate work, without laboriously sharpening in the meantime.
- pencils which consist of a lead guided in a metal housing, which can optionally be pushed forward, for example by means of a pressure mechanism, but these leads, although they do not have to be sharpened, are so thin that the lead breaks off even at a somewhat stronger contact pressure , so that you can only work very carefully with these pens.
- the invention is therefore based on the object of creating a pen which can no longer be sharpened to form a writing tip and with which lines of different line widths can be drawn.
- the lead has a triangular cross section and that the lead exit opening of the housing for guiding the lead has an opening cross section which is matched to the lead cross section.
- the lead cross-section has the shape of an isosceles triangle, so that due to the different edge lengths of the lead triangle three predetermined, with the thin tip line a total of four strokes of different widths can be drawn.
- the housing is formed from two mutually attachable housing halves.
- the housing since due to the triangular design of the lead it must not simply be used, but must be aligned with respect to the lead exit opening, can be realized according to the invention in such a way that the housing halves which can be separated in the longitudinal direction of the pin can be fastened to one another by means of clamping regions formed on the mutually opposite edges of the housing halves are.
- the lead By dividing the housing into two longitudinal halves according to the invention, the lead can advantageously be simply inserted and aligned laterally.
- a pin which engages in a bore formed on one housing half and is preferably held in a clamped manner and arranged on the other housing half can also be provided according to the invention.
- the displacement device guided in a longitudinal opening in the housing consists of a displacement plate which can be actuated on the outside of the housing and a connected, there is a holding element with a lead holder, the shape of which is adapted to the lead cross-section, so that the lead can be used without problems.
- the holding element and possibly the sliding plate are made of plastic, the holding element being made of softer material, at least in the area of the lead holder, which enables the lead to be plugged and / or clamped in place, for example made of softer plastic or a rubber material, so that the new insert is easy to insert and is still held securely.
- the housing can be designed according to the invention in such a way that, for locking the displacement device, it preferably has locking recesses formed on the inside, into which a locking projection formed on the holding element engages, so that the lead is fixed in its respective extended position with particular advantage, which is particularly advantageous in this regard is that an independent sliding back of the mine is avoided with a correspondingly increased writing pressure.
- the lead 1 shows a pin 1, consisting of a housing 2 and a lead 4 guided in the housing 2 by means of a displacement device 3.
- the lead 4 can be withdrawn into the housing 2 by the displacement device 3 or through the mine outlet opening 5 of the housing 2, which is adapted to ensure safe guidance of the lead, even with increased contact pressure, the shape of the triangular-shaped lead 4 (cf. FIG. 2) can be pushed into the use position.
- the lead 4 has in its front end region a pyramid-shaped lead tip 6, by means of which a thin line can be drawn.
- thin lines can also be drawn with the edges 7 of the lead 4, as can be seen in the lead cross-section from FIG. 2, but the tip 6 represents the actual writing tip which enables a thin line.
- the mine tip 6 is dull as a result of continuous writing, it can be sharpened simply by briefly wearing the tip sides forming the pyramidal mine tip 6 without the need for a separate sharpener.
- the lead 4 of the embodiment shown has an isosceles triangular shape, with the result that lines of different thickness can be drawn with the lead surfaces 8a, 8b and 8c with a lead of this type, depending on the situation , which is placed on the surface to be inscribed, the line widths specified by the side surfaces 8a, 8b and 8c of the mine being able to be varied even further by appropriate holding of the pencil when drawing the lines.
- Fig. 3 shows the pin 1 in disassembled form.
- the housing 2 is divided into two elongated housing halves 2a, 2b for exchanging the mines, which can be fastened to one another via clamping regions 9a, 9b formed on the top and bottom of the housing edges, which interlock when the housing 2 is assembled and are realized by projections or grooves.
- a pin 10 is arranged on the housing half 2a, which engages in a bore 11 formed on the housing half 2b.
- the Replacing the mine 4 is simply inserted into the housing half 2a with alignment with respect to the mine outlet opening 5 and fastened to the displacement device 3.
- the structure of the displacement device 3 and its mode of operation is shown in particular in FIG. 4.
- the displacement device 3 which is guided in the assembled housing 2 in a longitudinal opening 12 (see FIG. 1), consists of a displacement plate 13 which can be actuated on the top side of the housing 2 and a holding element 14 attached to it and arranged inside the housing.
- the holding element 14 has one Mine holder, not shown, whose shape is adapted to the mine cross-section, so that the lead 4 is held in the simplest and most secure manner on the holding element 14.
- This area of the lead holder is made of plastic which is softer than the rest of the material, so that the new lead 4 which is to be inserted can be plugged or clamped.
- this area 17 of the holding element 14 is of elongated design, as shown in broken lines in FIG. 4.
- the lead 4 is thus moved into the housing 2, which is shown by the dash-dotted sliding device, or pushed out of it.
- bottom recesses 15 are formed on the housing half 2a, into which a locking projection 16 arranged on the holding element 14 engages and fixes the displacement device 3 in a corresponding position.
Abstract
Description
Die Erfindung betrifft einen Stift, insbesondere Bleistift, mit einer über eine arretierbare Verschiebeeinrichtung in einem eine Minenaustrittsöffnung aufweisenden Gehäuse beweglich geführten, sich bei Gebrauch abnützenden Mine.The invention relates to a pen, in particular a pencil, with a lead which is movably guided via a lockable displacement device in a housing having a mine exit opening and which wears out during use.
Gewöhnliche Stifte wie beispielsweise Blei- oder Buntstifte besitzen in der Regel eine in einen Holzschaft eingelassene, querschnittlich runde Mine, die mittels eines Spitzers jedesmal dann anzuspitzen ist, wenn sie infolge des Schreibens oder Zeichnens vorderseitig abgestumpft ist. Ein dauerhaftes Arbeiten mit stets ausgebildeter Stiftspitze, die ein entsprechendes Arbeiten gewährleistet, ist ohne umständliches zwischenzeitliches Anspitzen nicht möglich. Zwar sind insbesondere Bleistifte bekannt, die aus einer in einem Metallgehäuse geführten Mine, die beispielsweise mittels eines Druckmechanismus wahlweise vorschiebbar ist, bestehen, jedoch sind diese Minen, obgleich sie nicht angespitzt werden müssen, derartig dünn, daß bereits bei etwas stärkerem Aufsetzdruck die Mine abbricht, so daß mit diesen Stiften nur sehr vorsichtig gearbeitet werden kann. Ferner ist es mit keiner der bisher bekannten Stiftausführungen möglich, neben einer von der Stiftspitze herrührenden dünnen Linie gleichzeitig durch entsprechende Stifthaltung eine gleichbleibend bemessene, dickere Linie ebenfalls ohne zwischenzeitliches Nachspitzen ziehen zu können.Ordinary pens such as pencils or crayons generally have a cross-sectionally round lead embedded in a wooden barrel, which can be sharpened with a sharpener whenever it becomes blunt on the front as a result of writing or drawing. It is not possible to work permanently with a trained pen tip, which guarantees appropriate work, without laboriously sharpening in the meantime. In particular, pencils are known which consist of a lead guided in a metal housing, which can optionally be pushed forward, for example by means of a pressure mechanism, but these leads, although they do not have to be sharpened, are so thin that the lead breaks off even at a somewhat stronger contact pressure , so that you can only work very carefully with these pens. Furthermore, it is not possible with any of the previously known pen designs, in addition to a thin line originating from the pen tip, to be able to draw a consistently dimensioned, thicker line at the same time, without intermediate re-sharpening, by appropriate pen holding.
Der Erfindung liegt somit die Aufgabe zugrunde, einen Stift zu schaffen, der zur Ausbildung einer Schreibspitze nicht mehr anzuspitzen ist und mit dem Linien verschiedener Strichstärke ziehbar sind.The invention is therefore based on the object of creating a pen which can no longer be sharpened to form a writing tip and with which lines of different line widths can be drawn.
Zur Lösung dieser Aufgabe ist bei einem Stift mit den eingangs genannten Merkmalen erfindungsgemäß vorgesehen, daß die Mine einen dreieckförmigen Querschnitt aufweist, und daß die Minenaustrittsöffnung des Gehäuses zur Führung der Mine einen dem Minenquerschnitt angepaßten Öffnungsquerschnitt aufweist. Mit diesem erfindungsgemäßen Stift ist es somit möglich, infolge der dreieckförmigen Minenprofilierung, die in einer an dem Minenende ausgebildeten, quasi pyramidalen Minenspitze resultiert, stets mit einer Spitze eine gleichbleibend dünne Linie zu ziehen. Dies ist mit der Minenspitze selbst, daneben aber auch mit den kantig verlaufenden Minenkanten vorteilhaft möglich. Darüber hinaus kann infolge der Dreieckschenkel vorteilhaft eine im Vergleich zur dünnen Spitzenlinie wesentlich dickere Linie gezogen werden. Durch diese dreieckförmige Minenausbildung ist es ferner möglich, bei abgeschriebener vorderer Spitze die Mine einfachst durch leichtes Abtragen der Mine an wenigstens einer der pyramidalen Spitzenseiten anzuspitzen, so daß ein separater Spitzer nicht mehr erforderlich ist.To achieve this object, it is provided according to the invention in a pin with the features mentioned at the outset that the lead has a triangular cross section and that the lead exit opening of the housing for guiding the lead has an opening cross section which is matched to the lead cross section. With this pen according to the invention it is thus possible, due to the triangular lead profile, which results in a quasi-pyramidal lead tip formed at the lead end, to always draw a consistently thin line with one tip. This is advantageously possible with the mine tip itself, but also with the angular mine edges. In addition, as a result of the triangular legs, a line which is substantially thicker than the thin tip line can advantageously be drawn. Through this triangular lead formation, it is also possible to sharpen the lead simply by lightly removing the lead from at least one of the pyramidal tip sides, so that a separate sharpener is no longer required.
Um die Variabilität im Hinblick auf die möglichen ziehbaren Strichstärken weiter zu erhöhen, kann in weiterer Ausgestaltung der Erfindung vorgesehen sein, daß der Minenquerschnitt die Form eines ungleichschenkligen Dreiecks aufweist, so daß infolge der unterschiedlichen Kantenlängen des Minendreiecks drei vorgegebene, mit der dünnen Spitzenlinie insgesamt vier unterschiedlich breite Striche ziehbar sind.In order to further increase the variability with regard to the possible drawable line widths, it can be provided in a further embodiment of the invention that the lead cross-section has the shape of an isosceles triangle, so that due to the different edge lengths of the lead triangle three predetermined, with the thin tip line a total of four strokes of different widths can be drawn.
Um den Austausch einer abgeschriebenen Mine gegen eine neue in dem die Mine schützenden Gehäuse, in welches sie vorteilhaft bei Nichtgebrauch mittels der Verschiebeeinrichtung zurückziehbar ist, möglichst einfach zu gestalten, kann in weiterer Erfindungsausgestaltung vorgesehen sein, daß das Gehäuse aus zwei aneinander befestigbaren Gehäusehälften gebildet ist. Dabei kann das Gehäuse, da infolge der dreieckförmigen Ausbildung der Mine diese nicht einfach eingesetzt, sondern bezüglich der Minenaustrittsöffnung ausgerichtet werden muß, erfindungsgemäß derart realisiert sein, daß die in Längsrichtung des Stiftes trennbaren Gehäusehälften mittels an den einander gegenüberstehenden Rändern der Gehäusehälften ausgebildeten Klemmbereichen aneinander befestigbar sind. Durch diese erfindungsgemäße Aufteilung des Gehäuses in zwei Längshälften kann somit vorteilhaft die Mine einfachst seitlich eingelegt und ausgerichtet werden. Um die Befestigung der vorteilhaft einfach aneinanderzuklemmenden Gehäusehälften noch weiter zu verbessern, kann erfindungsgemäß ferner ein in eine an der einen Gehäusehälfte ausgebildete Bohrung eingreifender, vorzugsweise klemmend gehalterter und an der anderen Gehäusehälfte angeordneter Steckstift vorgesehen sein.In order to make the replacement of a depreciated mine with a new one as simple as possible in the housing protecting the mine, into which it can advantageously be retracted when not in use by means of the displacement device, it can be provided in a further embodiment of the invention. that the housing is formed from two mutually attachable housing halves. The housing, since due to the triangular design of the lead it must not simply be used, but must be aligned with respect to the lead exit opening, can be realized according to the invention in such a way that the housing halves which can be separated in the longitudinal direction of the pin can be fastened to one another by means of clamping regions formed on the mutually opposite edges of the housing halves are. By dividing the housing into two longitudinal halves according to the invention, the lead can advantageously be simply inserted and aligned laterally. In order to further improve the fastening of the housing halves, which are advantageously easy to clamp together, a pin which engages in a bore formed on one housing half and is preferably held in a clamped manner and arranged on the other housing half can also be provided according to the invention.
Um die Handhabung der Verschiebeeinrichtung möglichst einfach zu gestalten, so daß der Stift bei jedwedem Verwendungszweck einfachst zu bedienen ist, kann im Rahmen der Erfindung ferner vorgesehen sein, daß die in einer Längsdurchbrechung des Gehäuses geführte Verschiebeeinrichtung aus einer gehäuseaußenseitig betätigbaren Verschiebeplatte und einem damit verbundenen, gehäuseinnenseitig angeordneten Halteelement mit einer Minenaufnahme besteht, deren Form dem Minenquerschnitt angepaßt ist, so daß die Mine problemlos eingesetzt werden kann. Dabei hat es sich erfindungsgemäß als sehr praktikabel erwiesen, wenn das Halteelement und ggf. die Verschiebeplatte aus Kunststoff gebildet sind, wobei das Halteelement wenigstens im Bereich der Minenaufnahme aus weicherem, eine Steck- und/oder Klemmbefestigung der Mine ermöglichenden Material besteht, also beispielsweise aus weicherem Kunststoff oder einem Gummimaterial, so daß die neu einzusetzende Minde einfachst einzustecken ist und trotzdem sicher gehaltert wird. Weiterhin kann das Gehäuse erfindungsgemäß derart ausgebildet sein, daß es zur Arretierung der Verschiebeeinrichtung vorzugsweise innenseitig ausgebildete Rastausnehmungen aufweist, in die ein am Halteelement ausgebildeter Rastvorsprung eingreift, so daß dadurch mit besonderem Vorteil die Mine in ihrer jeweiligen Ausschiebestellung fixiert ist, was insbesondere dahingehend von Vorteil ist, daß ein selbständiges Zurückrutschen der Mine bei entsprechend erhöhtem Schreibdruck vermieden wird.In order to make the handling of the displacement device as simple as possible, so that the pin is very easy to use for any purpose, it can further be provided within the scope of the invention that the displacement device guided in a longitudinal opening in the housing consists of a displacement plate which can be actuated on the outside of the housing and a connected, there is a holding element with a lead holder, the shape of which is adapted to the lead cross-section, so that the lead can be used without problems. It has proven to be very practical according to the invention if the holding element and possibly the sliding plate are made of plastic, the holding element being made of softer material, at least in the area of the lead holder, which enables the lead to be plugged and / or clamped in place, for example made of softer plastic or a rubber material, so that the new insert is easy to insert and is still held securely. Furthermore, the housing can be designed according to the invention in such a way that, for locking the displacement device, it preferably has locking recesses formed on the inside, into which a locking projection formed on the holding element engages, so that the lead is fixed in its respective extended position with particular advantage, which is particularly advantageous in this regard is that an independent sliding back of the mine is avoided with a correspondingly increased writing pressure.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus dem im folgenden beschriebenen Ausführungsbeispiel sowie anhand der Zeichnungen. Dabei zeigen;
- Fig. 1
- eine perspektivische Ansicht des erfindungsgemäßen Stiftes,
- Fig. 2
- einen Schnitt durch die dreieckförmig ausgebildete Mine,
- Fig. 3
- den Stift aus Fig. 1 mit geöffnetem Gehäuse und entnommener Mine, und
- Fig. 4
- eine Seitenansicht der die Verschiebeeinrichtung tragenden Gehäusehälfte in Richtung des Pfeiles IV aus Fig. 3.
- Fig. 1
- a perspective view of the pen according to the invention,
- Fig. 2
- a section through the triangular mine,
- Fig. 3
- the pin of Fig. 1 with the housing open and mine removed, and
- Fig. 4
- 3 shows a side view of the housing half carrying the displacement device in the direction of arrow IV from FIG. 3.
Fig. 1 zeigt einen Stift 1, bestehend aus einem Gehäuse 2 und einer mittels einer Verschiebeeinrichtung 3 im Gehäuse 2 geführten Mine 4. Durch die Verschiebeeinrichtung 3 kann die Mine 4 je nach Gebrauch in das Gehäuse 2 zurückgezogen oder aber durch die Minenaustrittsöffnung 5 des Gehäuses 2, die zur Gewährleistung einer sicheren Führung der Mine auch bei erhöhtem Aufsetzdruck der Form der dreieckförmig profilierten Mine 4 (vgl. Fig. 2) angepaßt ist, in Gebrauchsstellung geschoben werden. Die Mine 4 weist in ihrem vorderen Endbereich eine pyramidal geformte Minenspitze 6 auf, mittels der eine dünne Linie ziehbar ist. Neben der Spitze 6 selbst können auch mit den Kanten 7 der Mine 4, wie dies dem Minenquerschnitt aus Fig. 2 zu entnehmen ist, dünne Linien gezogen werden, wobei jedoch die Spitze 6 die eigentliche, einen dünnen Linienzug ermöglichende Schreibspitze darstellt. Ist die Minenspitze 6 infolge dauernden Schreibens stumpf, so kann diese einfachst durch kurzzeitiges Abnützen der die pyramidale Minenspitze 6 bildenden Spitzenseiten angespitzt werden, ohne daß hierfür ein separater Spitzer erforderlich ist. Wie Fig. 2 ferner zu entnehmen ist, weist die Mine 4 der gezeigten Ausführungsform eine ungleichschenklige Dreiecksform auf, was zur Folge hat, daß mit einer derartig profilierten Mine 4 mit den Minenflächen 8a, 8b und 8c unterschiedlich starke Linien gezogen werden können, je nachdem, welche auf dem zu beschriftenden Untergrund aufgesetzt ist, wobei sich durch entsprechende Haltung des Stiftes beim Linienziehen die von den Minenseitenflächen 8a, 8b und 8c vorgegebenen Strichbreiten noch weiter variieren lassen.1 shows a
Fig. 3 zeigt den Stift 1 in zerlegter Form. Das Gehäuse 2 wird zum Minenaustausch in zwei längliche Gehäusehälften 2a, 2b zerlegt, die über an den Gehäuserändern ober- und unterseitig ausgebildete Klemmbereiche 9a, 9b, die bei zusammengesetztem Gehäuse 2 ineinandergreifen und durch Vorsprünge bzw. Nuten realisiert sind, aneinander befestigbar sind. Zur Verbesserung der Klemmhalterung ist an der Gehäusehälfte 2a ein Steckstift 10 angeordnet, der in eine an der Gehäusehälfte 2b ausgebildete Bohrung 11 eingreift. Zum Austausch der Mine 4 wird diese einfachst in die Gehäusehälfte 2a unter Ausrichtung bezüglich der Minenaustrittsöffnung 5 eingesetzt und an der Verschiebeeinrichtung 3 befestigt.Fig. 3 shows the
Der Aufbau der Verschiebeeinrichtung 3 und ihre Wirkungsweise ist insbesondere in Fig. 4 dargestellt. Die Verschiebeeinrichtung 3, die in dem zusammengesetzten Gehäuse 2 in einer Längsdurchbrechung 12 (vgl. Fig. 1) geführt ist, besteht aus einer am Gehäuse 2 oberseitig betätigbaren Verschiebeplatte 13 und einem daran angebrachten, im Gehäuseinneren angeordneten Halteelement 14. Das Halteelement 14 weist eine nicht dargestellte Minenaufnahme auf, deren Form dem Minenquerschnitt angepaßt ist, so daß die Mine 4 einfachst und sicher am Halteelement 14 gehaltert ist. Dieser Bereich der Minenaufnahme ist aus gegenüber dem Restmaterial weicherem Kunststoff gebildet, so daß eine Steck- oder Klemmbefestigung der neu einzusetzenden Mine 4 möglich ist. Zu diesem Zweck und zur Gewährleistung, daß die Alt-Mine möglichst weit abgenützt werden kann, ist dieser Bereich 17 des Halteelements 14 verlängert ausgebildet, wie in Fig. 4 strichpunktiert dargestellt. Durch Verschieben der Verschiebeplatte 13 samt der Halteplatte 14 in Richtung des Doppelpfeils A in Fig. 4 wird somit die Mine 4 in das Gehäuse 2 eingefahren, was durch die strichpunktierte Verschiebeeinrichtung dargestellt ist, oder aus ihm herausgeschoben. Zur Fixierung der Mine 4 bzw. der Verschiebeeinrichtung 3 in entsprechender Stellung sind an der Gehäusehälfte 2a bodenseitige Rastausnehmungen 15 ausgebildet, in welche ein am Halteelement 14 federnd angeordneter Rastvorsprung 16 eingreift und die Verschiebeeinrichtung 3 in entsprechender Stellung fixiert.The structure of the
Claims (8)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9407155U | 1994-04-29 | ||
| DE19949407155 DE9407155U1 (en) | 1994-04-29 | 1994-04-29 | Pen, especially pencil |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0679537A2 true EP0679537A2 (en) | 1995-11-02 |
| EP0679537A3 EP0679537A3 (en) | 1996-01-10 |
| EP0679537B1 EP0679537B1 (en) | 1996-12-18 |
Family
ID=6908036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95102146A Expired - Lifetime EP0679537B1 (en) | 1994-04-29 | 1995-02-16 | Stylus, in particular a pencil |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0679537B1 (en) |
| AT (1) | ATE146407T1 (en) |
| DE (2) | DE9407155U1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009060976A1 (en) * | 2009-07-09 | 2011-01-13 | Palm, Karl-Heinz | Two-sided writing implement e.g. ballpoint pen, for e.g. touch screen, has slide provided in center and exhibits sliding and latching function for moving ink, where implement is made of light metals, precious metals and stainless steel |
| WO2022261717A1 (en) * | 2021-06-16 | 2022-12-22 | Scottie Investments Pty Ltd | A marker and multi tool and components therefor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2025938A (en) * | 1935-02-08 | 1935-12-31 | Mario Joseph De | Multiple pencil |
| US3923405A (en) * | 1974-03-15 | 1975-12-02 | Kao Chang Fu | Push type writing implement |
| WO1991015371A1 (en) * | 1990-04-11 | 1991-10-17 | Steve Kosteniuk | Mechanical pencil |
-
1994
- 1994-04-29 DE DE19949407155 patent/DE9407155U1/en not_active Expired - Lifetime
-
1995
- 1995-02-16 DE DE59500067T patent/DE59500067D1/en not_active Expired - Fee Related
- 1995-02-16 EP EP95102146A patent/EP0679537B1/en not_active Expired - Lifetime
- 1995-02-16 AT AT95102146T patent/ATE146407T1/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2025938A (en) * | 1935-02-08 | 1935-12-31 | Mario Joseph De | Multiple pencil |
| US3923405A (en) * | 1974-03-15 | 1975-12-02 | Kao Chang Fu | Push type writing implement |
| WO1991015371A1 (en) * | 1990-04-11 | 1991-10-17 | Steve Kosteniuk | Mechanical pencil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009060976A1 (en) * | 2009-07-09 | 2011-01-13 | Palm, Karl-Heinz | Two-sided writing implement e.g. ballpoint pen, for e.g. touch screen, has slide provided in center and exhibits sliding and latching function for moving ink, where implement is made of light metals, precious metals and stainless steel |
| WO2022261717A1 (en) * | 2021-06-16 | 2022-12-22 | Scottie Investments Pty Ltd | A marker and multi tool and components therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0679537A3 (en) | 1996-01-10 |
| DE9407155U1 (en) | 1994-06-30 |
| EP0679537B1 (en) | 1996-12-18 |
| DE59500067D1 (en) | 1997-01-30 |
| ATE146407T1 (en) | 1997-01-15 |
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