EP0144518B1 - Fountain pen - Google Patents

Fountain pen Download PDF

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Publication number
EP0144518B1
EP0144518B1 EP84109408A EP84109408A EP0144518B1 EP 0144518 B1 EP0144518 B1 EP 0144518B1 EP 84109408 A EP84109408 A EP 84109408A EP 84109408 A EP84109408 A EP 84109408A EP 0144518 B1 EP0144518 B1 EP 0144518B1
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EP
European Patent Office
Prior art keywords
extension
casing
fountain pen
tongues
click
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
EP84109408A
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German (de)
French (fr)
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EP0144518A1 (en
Inventor
Wilhelm Schlink
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.)
Pelikan GmbH
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Pelikan GmbH
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Publication date
Application filed by Pelikan GmbH filed Critical Pelikan GmbH
Priority to AT84109408T priority Critical patent/ATE30402T1/en
Publication of EP0144518A1 publication Critical patent/EP0144518A1/en
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Publication of EP0144518B1 publication Critical patent/EP0144518B1/en
Expired legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/18—Arrangements for feeding the ink to the nibs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
    • B43K23/004—Holders specially adapted for assisting handicapped or disabled persons to write

Definitions

  • the invention relates to a fountain pen with a housing part with gripping surfaces into which an extension protrudes, which is provided with a nib and rotatably but axially fixed in the housing part, and with a locking device which is effective when the extension is rotated in the housing part.
  • a fountain pen for novice writers which has a sleeve which can be fixedly fixed on the front part of the fountain pen in any rotational position and which has finger attachment points (gripping surfaces) offset on the outer circumferential surface in the circumferential direction and in the axial direction, the sleeve on the end section of the fountain pen front part, which is offset in diameter, is rotatably supported against a shoulder and can be positively locked in such an angular position relative to the nib by means of a locking device securing it against unwanted axial displacement that one of the gripping surfaces is in the position in which it is located the index finger guiding the fountain pen offers a starting point at the correct distance from the nib for the respective hand size.
  • Such an arrangement enables the user to optimally adjust the position of the nib against the gripping surfaces and in accordance with the respective individual writing posture, in order thus to achieve easy and fatigue-free writing.
  • the change or setting of the nib position can be carried out easily and conveniently by simple handling, without the fingers being soiled with ink or the nib being damaged.
  • DE-A-2643816 describes a fountain pen whose front part (extension) projects into the adjoining housing part (shaft) with a projecting guide pin and can be rotated relative to the shaft.
  • the barrel of the fountain pen shown there carries on its inner surface, along which the nipple carrying the nib is rotatably mounted, an inwardly projecting small nose, which is arranged in three small, appropriately designed detent recesses, each offset uniformly in the circumferential direction on the nipple can intervene.
  • the object of the invention is to create a latching arrangement which operates reliably even over a long period of use, does not produce any local leaks and nevertheless allows easy adjustability with little effort with a reliably guaranteed latching effect.
  • the latching device has two resilient tabs which protrude from the front end of the housing part into the extension piece and which engage in a radially arranged counter-grid on the inner surface of the attachment piece facing the tabs, and that the resilient tabs are arranged such that they can be deflected inwards when the extension piece is turned.
  • the resilient tabs can be designed so that the desired force characteristics can be achieved when engaging or disengaging and twisting. Due to the opposing resilient tabs, a certain centering effect between the force and fountain pen housing part and the extension piece is achieved, because it is precisely through the opposing locking forces that favorable conditions can be achieved with regard to the forces that occur.
  • the adaptation of the resilient tabs to the counter-grid can be optimized in terms of both material and design so that significant wear in the locking device that occurs over the life of the fountain pen does not have to be expected, thereby ensuring reliable functioning even over long periods of time.
  • the resilient tabs have latching projections in the form of longitudinal ribs and the counter-raster on the extension piece has corresponding longitudinal grooves, which results in a simple but particularly effective latching device which can be operated with little effort.
  • the extension piece in the housing part is rotatably but axially fixed by means of a snap fit.
  • a particularly advantageous embodiment of the fountain pen according to the invention also consists in the fact that at the end of the section of the extension projecting into the housing part, elastically deflectable bead sections are provided which are separated from one another by longitudinal slots and which, in the assembled state, engage radially overlapping an inner contact surface on the outer housing part.
  • the bead can be moved in the radial direction during assembly and, when the assembly is complete, lie behind the inner contact surface of the outer housing part in order to form a secure bearing in the form of a large contact surface and at the same time to hold the attachment piece.
  • the fountain pen is designated by 1.
  • the housing part is designated by reference number 2.
  • Grip areas are identified by the number 3.
  • the gripping surfaces 3 are located on the outer surface of the housing part 2, which has two resilient tabs 6 and 7 on its end face, on which longitudinal ribs 8 and 9 are arranged, which cooperate with corresponding inner longitudinal grooves 10 (FIG. 2) of an extension 11.
  • the extension 11 is held and guided in addition to the cylindrical bearing in the housing part 2 in the axial direction via a bead 12 on the contact surface 13 of the housing part 2.
  • FIG. 1 shows in cross section along the line A-A of FIG. 1 how the resilient tabs 6 and 7 with the longitudinal ribs 8 and 9 each cooperate with the inner longitudinal grooves 10 of the end piece 11.
  • the tabs 6 and 7 and thus the longitudinal ribs 8 and 9 each spring into the inner longitudinal grooves 10 opposite them, in order to bend inward in the radial direction when the extension 11 is rotated and the user of the fountain pen when adapting the gripping surfaces 3 to oppose a certain twisting resistance to his individual writing attitude.
  • Fig. The snap fit inside the fountain pen 1 is shown.
  • the extension 11 is located in the housing part 2 and engages with its bead 12 behind the contact surface 13.
  • the three beads 12 are pressed together in the axial direction, so that the slots 14 arranged symmetrically between them are almost are closed. After the beads 12 have stepped behind the contact surface 13, they can move outward again in the axial direction and thus securely store and hold the extension 11 in the housing part 2.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pens And Brushes (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Special Spraying Apparatus (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Abstract

1. A fountain pen including (a) a main casing having a gripping surface, (b) a pen-carrying extension which protrudes into the casing and is turnably but axially fast mounted therein, and (c) a click-stop arrangement operable if the extension is turned in the casing, characterized in that the click-stop arrangement comprises two oppositely arranged resilient tongues (6, 7) projecting from the front end of the casing (2) into the extension (11), that the tongues lockingly engage a counter-catch arranged radially on the extension's inner surface facing the tongues (6, 7), and in that the resilient tongues (6, 7) are arranged to resiliently recede inwardly if the extension (11) is turned.

Description

Die Erfindung bezieht sich auf einen Füllfederhalter mit einem Gehäuseteil mit Griffflächen, in das ein Ansatzstück hineinragt, das mit einer Schreibfeder versehen und im Gehäuseteil verdrehbar, aber axial festgelegt gelagert ist, und mit einer bei Verdrehung des Ansatzstückes im Gehäuseteil wirksamen Rasteinrichtung.The invention relates to a fountain pen with a housing part with gripping surfaces into which an extension protrudes, which is provided with a nib and rotatably but axially fixed in the housing part, and with a locking device which is effective when the extension is rotated in the housing part.

Aus der DE-B-1275410 ist bereits ein Füllfederhalter für Schreibanfänger bekannt, der eine am Füllfederhalter-Vorderteil in beliebiger Drehstellung festsitzend einstellbare Hülse aufweist, die an der Aussenmantelfläche in Umfangsrichtung und in Achsrichtung gegeneinander versetzte Fingeransatzstellen (Griffflächen) aufweist, wobei die Hülse an dem am Durchmesser abgesetzten Endabschnitt des Füllfederhalter-Vorderteiles gegen eine Schulter abgestützt drehbar gelagert und durch eine sie gegen ungewolltes axiales Verschieben sichernde Arretiervorrichtung in einer solchen Winkellage gegenüber der Schreibfeder formschlüssig feststellbar ist, dass jeweils eine der Griffflächen sich in der Stellung befindet, in der sie dem den Füllfederhalter leitenden Zeigefinger einen Ansatzpunkt in der für die jeweilige Handgrösse richtigen Entfernung von der Schreibfeder bietet. Eine derartige Anordnung ermöglicht es dem Benutzer, die Stellung der Schreibfeder gegenüber den Griffflächen und entsprechend der jeweiligen individuellen Schreibhaltung optimal einzustellen, um somit ein leichtes und ermüdungsfreies Schreiben zu erreichen. Die Veränderung bzw. Einstellung der Schreibfederstellung kann durch eine einfache Handhabung leicht und bequem durchgeführt werden, ohne dass dabei die Finger mit Tinte verschmutzt werden oder die Schreibfeder beschädigt wird. Dabei ist es allerdings nötig, eine Vielzahl von Einzelelementen in genau vorgegebener Reihenfolge und mit entsprechend genauen Masstoleranzen für die Montage des Füllfederhalters vorzusehen. Ohne diese genauen Masstoleranzen kann es beim Verdrehen der Schreibfeder zum Klemmen kommen oder dazu, dass sich die Schreibfeder selbsttätig verdreht, wenn die Klemmvorrichtung zu locker eingestellt ist.From DE-B-1275410 a fountain pen for novice writers is already known, which has a sleeve which can be fixedly fixed on the front part of the fountain pen in any rotational position and which has finger attachment points (gripping surfaces) offset on the outer circumferential surface in the circumferential direction and in the axial direction, the sleeve on the end section of the fountain pen front part, which is offset in diameter, is rotatably supported against a shoulder and can be positively locked in such an angular position relative to the nib by means of a locking device securing it against unwanted axial displacement that one of the gripping surfaces is in the position in which it is located the index finger guiding the fountain pen offers a starting point at the correct distance from the nib for the respective hand size. Such an arrangement enables the user to optimally adjust the position of the nib against the gripping surfaces and in accordance with the respective individual writing posture, in order thus to achieve easy and fatigue-free writing. The change or setting of the nib position can be carried out easily and conveniently by simple handling, without the fingers being soiled with ink or the nib being damaged. However, it is necessary to provide a large number of individual elements in a precisely predetermined order and with correspondingly precise dimensional tolerances for the assembly of the fountain pen. Without these exact dimensional tolerances, twisting of the nib can result in jamming or the nib can twist automatically if the clamping device is set too loosely.

In der DE-A-2643816 ist ein Füllfederhalter beschrieben, dessen Vorderteil (Ansatzstück) in das sich anschliessende Gehäuseteil (Schaft) mit einem vorspringenden Führungsbolzen hineinragt und relativ zu dem Schaft verdrehbar ist. Zur Einstellung bestimmter Verdrehpositionen trägt der Schaft des dort gezeigten Füllfederhalters auf seiner Innenfläche, längs derer das die Schreibfeder tragende Ansatzstück drehbar gelagert ist, eine nach innen vorspringende kleine Nase, die in drei jeweils gleichmässig in Umfangsrichtung am Ansatzstück versetzt angeordnete, kleine, entsprechend ausgebildete Rastmulden eingreifen kann. Bei diesem bekannten Füllfederhalter ist eine Verdrehung des Schaftes relativ zur Feder möglich, wobei auch gewisse durch die Lage der Rastmulden vorgesehene einzelne Relativlagen in Verraststellung erreicht werden können, wodurch ein unerwünschtes Verdrehen der erreichten Raststellung beim Schreiben verhindert ist. Wenn bei diesem bekannten Füllfederhalter allerdings eine Verdrehung des Ansatzstückes relativ zum Schaft vorgenommen werden soll, muss zwangsläufig die kleine auf der Innenseite des Schaftes nach innen vorspringende Nase während der Verdrehbewegung so lange, bis sie in eine erneute Rastmulde eingreifen kann, sich auf der zylindrischen Oberfläche des zu drehenden Ansatzstückes abstützen, da dies am zylindrischen Innenumfang des Schaftes zur Führung und Lagerung anliegt. Da die Rastnase jedoch nach innen vorspringt, tritt beim Verdrehen eine Zwangsbedingung auf, weil während der Verdrehbewegung ein örtliches Spiel in der Grösse des Nasenüberstandes zwischen Führungsbolzen und Schaft erzeugt werden muss. Dies führt zwangsläufig dazu, dass der eigentlich kreisrunde Querschnitt der Schaftinnenwandung durch den erzwungenen Spalt in eine leicht ovale Form überführt wird. Die dabei auftretenden Zwangsbedingungen bewirken nicht nur eine völlig ungleichmässige Druckverteilung längs der aufeinander gleitenden Flächen von Führungsbolzen einerseits und Schaftinnenflächen andererseits, sondern erzeugen darüberhinaus auch noch einen örtlichen Spitzendruckaufbau an der Stelle, an der die Berührung zwischen der vorspringenden Nase und der Aussenfläche des Führungsbolzens vorliegt. Dies hat zur Folge, dass sich relativ rasch wieder die nach innen vorspringende Nase abschleift oder, falls das Material des Führungsbolzens weicher sein sollte, sich dort eine Ringfurche eingräbt. In jedem Fall wird die Wirkung der Rasteinrichtung bei fortgesetzter Benutzung schlechter. Hinzu kommt, dass durch die immer wieder auftretende ovale Ausdehnung des Schaftes beim Verdrehen nicht nur örtlich die Dichtung zwischen den Führungsflächen zerstört wird, sondern auch relativ grosse Verdrehkräfte des Benutzers erforderlich sind, da das Erzwingen einer Abweichung der Innenform von ihrem ansonsten kreisrunden Querschnitt zu starken Zwangsspannungen im Schaft führt.DE-A-2643816 describes a fountain pen whose front part (extension) projects into the adjoining housing part (shaft) with a projecting guide pin and can be rotated relative to the shaft. To set certain rotational positions, the barrel of the fountain pen shown there carries on its inner surface, along which the nipple carrying the nib is rotatably mounted, an inwardly projecting small nose, which is arranged in three small, appropriately designed detent recesses, each offset uniformly in the circumferential direction on the nipple can intervene. In this known fountain pen, rotation of the shaft relative to the spring is possible, and certain individual relative positions provided by the position of the locking troughs can also be achieved in the locking position, thereby preventing undesired rotation of the locking position achieved when writing. If, in this known fountain pen, however, the extension piece is to be rotated relative to the barrel, the small nose projecting inwards on the inside of the barrel must inevitably remain on the cylindrical surface during the twisting movement until it can engage in a new locking recess of the extension piece to be rotated, since this rests against the cylindrical inner circumference of the shaft for guidance and storage. However, since the latch protrudes inwards, a constraint occurs when twisting, because during the twisting movement, a local play in the size of the nose projection between the guide pin and the shaft must be generated. This inevitably leads to the fact that the actually circular cross section of the inner wall of the shaft is converted into a slightly oval shape by the forced gap. The constraints that occur not only cause a completely uneven pressure distribution along the sliding surfaces of guide pins on the one hand and inner shaft surfaces on the other hand, but also create a local peak pressure build-up at the point where there is contact between the projecting nose and the outer surface of the guide pin. The result of this is that the inwardly projecting nose grinds off relatively quickly or, if the material of the guide bolt is softer, an annular groove digs in there. In any case, the effect of the locking device deteriorates with continued use. In addition, due to the recurring oval expansion of the shaft when twisting, not only is the seal between the guide surfaces destroyed locally, but also relatively large torsional forces of the user are required, since the forcing of a deviation of the inner shape from its otherwise circular cross section is too great Forces in the shaft.

Ausgehend hiervon liegt der Erfindung die Aufgabe zugrunde, eine Rastanordnung zu schaffen, die auch über eine lange Benutzungsdauer hinweg betriebssicher arbeitet, keine örtlichen Undichtigkeiten erzeugt und bei sicher gewährleistetem Rasteffekt dennoch eine leichte Verstellbarkeit bei geringem Kraftaufwand ermöglicht.Proceeding from this, the object of the invention is to create a latching arrangement which operates reliably even over a long period of use, does not produce any local leaks and nevertheless allows easy adjustability with little effort with a reliably guaranteed latching effect.

Diese Aufgabe wird bei einem Füllfederhalter der eingangs genannten Art dadurch erreicht, dass die Rasteinrichtung zwei vom vorderen Ende des Gehäuseteiles in das Ansatzstück hineinragende, einander gegenüberliegende federnde Laschen aufweist, die in ein radial angeordnetes Gegenraster auf der den Laschen zugewandten Innenfläche des Ansatzstückes verrastend eingreifen, und dass die federnden Laschen beim Verdrehen des Ansatzstückes nach innen ausfederbar angeordnet sind.This object is achieved in a fountain pen of the type mentioned at the outset in that the latching device has two resilient tabs which protrude from the front end of the housing part into the extension piece and which engage in a radially arranged counter-grid on the inner surface of the attachment piece facing the tabs, and that the resilient tabs are arranged such that they can be deflected inwards when the extension piece is turned.

Bei der erfindungsgemässen Lösung wird dadurch, dass zwei einander gegenüberliegende federnde Rastlaschen angeordnet sind, die in das zu verdrehende Ansatzstück hineinragen und dort federnd mit einem geeigneten Innenraster zusammenwirken, die Möglichkeit geschaffen, in besonders platzsparender und einfacher Weise, aber sehr effektiv, die gewünschte Verrasterung sicherzustellen. Dadurch aber, dass gleichzeitig die Laschen so angeordnet sind, dass sie beim Verdrehen nach der Innenseite des Füllfederhalters hin ausfedern können, wird nicht nur ein relativ geringer Kraftaufwand für das Verdrehen des Ansatzstückes gewährleistet, sondern überdies auch das erzwungene Auftreten eines ansonsten nicht vorhandenen Spieles mit allen unangenehmen Folgen desselben (Eintreten von Zwangsbedingungen, unerwünschte Formänderungen, Verschleiss usw.) sicher vermieden.In the solution according to the invention, the fact that two mutually opposite resilient locking tabs are arranged, which in the protrude twisting extension piece and there cooperate resiliently with a suitable inner grid, created the possibility, in a particularly space-saving and simple manner, but very effectively, to ensure the desired locking. However, the fact that at the same time the tabs are arranged in such a way that they can spring out towards the inside of the fountain pen when twisted, not only ensures a relatively low expenditure of force for twisting the extension piece, but also the forced occurrence of an otherwise non-existent game all unpleasant consequences of the same (occurrence of constraints, undesirable changes in shape, wear, etc.) safely avoided.

Die erfindungsgemässe Lösung ermöglicht es, dass die federnden Rastelemente ganz speziell auf ihre Verrastfunktion ausgelegt werden können. Je nach Wunsch können die federnden Laschen so ausgebildet werden, dass gewünschte Kraftcharakteristiken beim Einrasten bzw. Ausrasten und Verdrehen erzielt werden können. Durch die einander gegenüberliegenden federnden Laschen wird auch eine gewisse Zentrierwirkung zwischen Kraft und Füllfederhalter-Gehäuseteil und dem Ansatzstück erzielt, weil sich gerade durch die einander gegenüberliegend auftretenden Verrastungskräfte günstige Verhältnisse bezüglich der auftretenden Kräfte erreichen lassen. Die Anpassung der federnden Laschen an das Gegenraster kann sowohl materialmässig wie auch konstruktiv problemfrei so optimiert werden, dass ein über die Lebensdauer des Füllfederhalters auftretender nennenswerter Verschleiss in der Verrasteinrichtung nicht erwartet werden muss und dadurch eine sichere Funktion auch über lange Zeiträume hinweg gewährleistet ist.The solution according to the invention enables the resilient latching elements to be designed very specifically for their latching function. Depending on requirements, the resilient tabs can be designed so that the desired force characteristics can be achieved when engaging or disengaging and twisting. Due to the opposing resilient tabs, a certain centering effect between the force and fountain pen housing part and the extension piece is achieved, because it is precisely through the opposing locking forces that favorable conditions can be achieved with regard to the forces that occur. The adaptation of the resilient tabs to the counter-grid can be optimized in terms of both material and design so that significant wear in the locking device that occurs over the life of the fountain pen does not have to be expected, thereby ensuring reliable functioning even over long periods of time.

Bevorzugt weisen bei einem erfindungsgemässen Füllfederhalter die federnden Laschen Rastvorsprünge in Form von Längsrippen und das Gegenraster am Ansatzstück entsprechende Längsnuten auf, wodurch sich eine einfache, aber besonders wirkungsvolle und mit geringem Kraftaufwand bedienbare Rasteinrichtung ergibt.Preferably, in a fountain pen according to the invention, the resilient tabs have latching projections in the form of longitudinal ribs and the counter-raster on the extension piece has corresponding longitudinal grooves, which results in a simple but particularly effective latching device which can be operated with little effort.

Es ist weiterhin von Vorteil, wenn bei einem erfindungsgemässen Füllfederhalter das Ansatzstück im Gehäuseteil mittels eines Schnappsitzes drehbar, aber axial festgelegt gelagert ist.It is also advantageous if, in the case of a fountain pen according to the invention, the extension piece in the housing part is rotatably but axially fixed by means of a snap fit.

Eine besonders vorteilhafte Ausführung des erfindungsgemässen Füllfederhalters besteht auch darin, dass am Ende des in das Gehäuseteil hineinragenden Abschnitts des Ansatzstückes elastisch einfederbare, durch Längsschlitze voneinander getrennte Wulstabschnitte vorgesehen sind, die in montiertem Zustand eine innere Anlagefläche am äusseren Gehäuseteil radial überdekkend hintergreifen. Hierbei kann die Wulst bei der Montage in radialer Richtung verschoben werden und sich beim Abschluss der Montage hinter die innere Anlagefläche des äusseren Gehäuseteiles anlegen, um so eine sichere Lagerung in Form einer grossen Anlagefläche und gleichzeitig eine Halterung des Ansatzstückes zu bilden.A particularly advantageous embodiment of the fountain pen according to the invention also consists in the fact that at the end of the section of the extension projecting into the housing part, elastically deflectable bead sections are provided which are separated from one another by longitudinal slots and which, in the assembled state, engage radially overlapping an inner contact surface on the outer housing part. In this case, the bead can be moved in the radial direction during assembly and, when the assembly is complete, lie behind the inner contact surface of the outer housing part in order to form a secure bearing in the form of a large contact surface and at the same time to hold the attachment piece.

Weitere Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels in Verbindung mit den beigefügten Zeichnungen. Es zeigen:

  • Fig. einen Teillängsschnitt durch einen erfindungsgemässen Füllfederhalter,
  • Fig. einen Querschnitt durch den in Fig. 1 dargestellten Füllfederhalter längs der Linie A-A und
  • Fig. einen Querschnitt durch den in Fig. 1 dargestellten Füllfederhalter längs der Linie B-B.
Further advantages of the invention result from the following description of an exemplary embodiment in conjunction with the accompanying drawings. Show it:
  • 1 shows a partial longitudinal section through a fountain pen according to the invention,
  • Fig. A cross section through the fountain pen shown in Fig. 1 along the line AA and
  • Fig. A cross section through the fountain pen shown in Fig. 1 along the line BB.

Gemäss Fig. 1 ist der Füllfederhalter mit 1 bezeichnet. Mit der Bezugsziffer 2 ist der Gehäuseteil benannt. Griffflächen sind durch die Zahl 3 gekennzeichnet. Die Griffflächen 3 befinden sich auf der Mantelfläche des Gehäuseteils 2, das an seiner Stirnfläche zwei federnde Laschen 6 und 7 aufweist, auf denen Längsrippen 8 und 9 angeordnet sind, die mit entsprechenden inneren Längsnuten 10 (Fig.2) eines Ansatzstückes 11 zusammenarbeiten. Im Inneren befindet sich ein Tintenzuführsystem 4 und eine Schreibfeder 5. Das Ansatzstück 11 wird neben der zylindrischen Lagerung im Gehäuseteil 2 in axialer Richtung über eine Wulst 12 an der Anlagefläche 13 des Gehäuseteils 2 gehalten und geführt.1, the fountain pen is designated by 1. The housing part is designated by reference number 2. Grip areas are identified by the number 3. The gripping surfaces 3 are located on the outer surface of the housing part 2, which has two resilient tabs 6 and 7 on its end face, on which longitudinal ribs 8 and 9 are arranged, which cooperate with corresponding inner longitudinal grooves 10 (FIG. 2) of an extension 11. Inside there is an ink supply system 4 and a nib 5. The extension 11 is held and guided in addition to the cylindrical bearing in the housing part 2 in the axial direction via a bead 12 on the contact surface 13 of the housing part 2.

In Fig. ist im Querschnitt längs der Linie A-A von Fig. 1 dargestellt, wie die federnden Laschen 6 und 7 mit den Längsrippen 8 und 9 jeweils mit den inneren Längsnuten 10 des Ansatzstückes 11 zusammenarbeiten. Dabei federn die Laschen 6 und 7 und damit die Längsrippen 8 und 9 jeweils in die ihnen gegenüberliegenden inneren Längsnuten 10 hinein, um sich bei einer Verdrehung des Ansatzstückes 11 in radialer Richtung nach innen zu biegen und dem Benutzer des Füllfederhalters bei der Anpassung der Griffflächen 3 an seine individuelle Schreibhaltung einen gewissen Verdrehwiderstand entgegenzusetzen.1 shows in cross section along the line A-A of FIG. 1 how the resilient tabs 6 and 7 with the longitudinal ribs 8 and 9 each cooperate with the inner longitudinal grooves 10 of the end piece 11. The tabs 6 and 7 and thus the longitudinal ribs 8 and 9 each spring into the inner longitudinal grooves 10 opposite them, in order to bend inward in the radial direction when the extension 11 is rotated and the user of the fountain pen when adapting the gripping surfaces 3 to oppose a certain twisting resistance to his individual writing attitude.

In Fig. ist der Schnappsitz im Inneren des Füllfederhalters 1 dargestellt. Das Ansatzstück 11 liegt dabei in dem Gehäuseteil 2 und greift mit seiner Wulst 12 hinter die Anlagefläche 13. Bei der Montage des Ansatzstückes 11 in das Gehäuseteil 2 werden die drei Wulste 12 in axialer Richtung zusammengedrückt, so dass die zwischen ihnen symmetrisch angeordneten Schlitze 14 fast geschlossen sind. Nachdem die Wulste 12 hinter die Anlagefläche 13 getreten sind, können sie sich in axialer Richtung wieder nach aussen bewegen und so das Ansatzstück 11 sicher in dem Gehäuseteil 2 lagern und halten.In Fig. The snap fit inside the fountain pen 1 is shown. The extension 11 is located in the housing part 2 and engages with its bead 12 behind the contact surface 13. When mounting the extension 11 in the housing part 2, the three beads 12 are pressed together in the axial direction, so that the slots 14 arranged symmetrically between them are almost are closed. After the beads 12 have stepped behind the contact surface 13, they can move outward again in the axial direction and thus securely store and hold the extension 11 in the housing part 2.

Die Wirkungsweise der Erfindung ist folgende:

  • Die Winkelveränderung der Einstellung der Schreibfeder erfolgt dadurch, dass das Ansatzstück 11 zusammen mit dem Tintenzuführsystem 4 gegenüber dem eine Rippen-Nutenverbindung aufweisenden Gehäuseteil 2 drehbar angeordnet ist. Das Ansatzstück 11 wird dabei über den Hinterschnitt in dem die Griffflächen 3 aufweisenden Gehäuseteil 2 gehalten. Nach der Montage ist somit nur noch eine radiale, aber keine axiale Verschiebung mehr möglich. Um die Einstellung der Schreibfeder 5 genau zu positionieren bzw. gegen unabsichtliches Verändern zu sichern, ist das Gehäuseteil 2 mit den zwei federnden Laschen 6 und 7 versehen, auf welchen je eine Längsrippe 8 bzw. 9 angeordnet ist, die in das Gehäuseteil 11 ragt und entsprechend geführt wird. Das Gehäuseteil 11 ist in diesem Bereich mit einem radial angeordneten Raster versehen, in das die zwei federnden Laschen 6 und 7 entsprechend eingreifen und so die eingestellte Position halten. Die zwei federnden Laschen 6 und 7 ermöglichen ein leichtes Verändern der Schreibstellung durch Drehen des Gehäuseteils 11, wobei für den Benutzer aber noch ein spürbarer Widerstand vorhanden ist.
The operation of the invention is as follows:
  • The change in the angle of the setting of the pen takes place in that the extension 11 is rotatably arranged together with the ink supply system 4 relative to the housing part 2 which has a rib-groove connection. The extension 11 is held over the undercut in the housing part 2 having the gripping surfaces 3. After assembly, only radial but no axial displacement is possible. In order to precisely position the setting of the nib 5 or to secure it against unintentional change, the housing part 2 with the two resilient La 6 and 7 are provided, on each of which a longitudinal rib 8 or 9 is arranged, which projects into the housing part 11 and is guided accordingly. The housing part 11 is provided in this area with a radially arranged grid in which the two resilient tabs 6 and 7 engage accordingly and thus hold the set position. The two resilient tabs 6 and 7 allow the writing position to be changed easily by rotating the housing part 11, but there is still noticeable resistance for the user.

Claims (4)

1. A fountain pen including (a) a main casing having a gripping surface, (b) a pen-carrying extension which protrudes into the casing and is turnably but axially fast mounted therein, and (c) a click-stop arrangement operable if the extension is turned in the casing, characterized in that the click-stop arrangement comprises two oppositely arranged resilient tongues (6, 7) projecting from the front end of the casing (2) into the extension (11), that the tongues lockingly engage a counter-catch arranged radially on the extension's inner surface facing the tongues (6, 7), and in that the resilient tongues (6, 7) are arranged to resiliently recede inwardly if the extension (11) is turned.
2. A fountain pen according to claim 1, characterized in that the resilient tongues (6, 7) have click-in projections formed by longitudinal ribs (8, 9) and the counter-catch of the extension (11) has longitudinal grooves (10) matching said ribs.
3. A fountain pen according to claim 1 or claim 2, characterized in that the extension (11) is turnably but axially fast mounted in the casing (2) by means of a snap-in joint.
4. A fountain pen according to claim 3, characterized in that the end of the extension's (11) section protruding into the casing (2) is provided with resiliently lockable beaded segments (12) which are separated from each other by longitudinal slits (14) and which, in the extension's mounted state, clamp around and radially overlap an internal contact surface (13) inside the casing (2).
EP84109408A 1983-11-04 1984-08-08 Fountain pen Expired EP0144518B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84109408T ATE30402T1 (en) 1983-11-04 1984-08-08 FOUNTAIN PEN.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3339915A DE3339915C2 (en) 1983-11-04 1983-11-04 Fountain pen with rotatable front part containing the nib
DE3339915 1983-11-04

Publications (2)

Publication Number Publication Date
EP0144518A1 EP0144518A1 (en) 1985-06-19
EP0144518B1 true EP0144518B1 (en) 1987-10-28

Family

ID=6213459

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84109408A Expired EP0144518B1 (en) 1983-11-04 1984-08-08 Fountain pen

Country Status (3)

Country Link
EP (1) EP0144518B1 (en)
AT (1) ATE30402T1 (en)
DE (2) DE3339915C2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4315763C2 (en) * 1993-05-07 1998-01-15 Rotring Int Gmbh Individually adjustable fountain pen
DE29720024U1 (en) * 1997-11-03 1998-01-15 Rotring International Gmbh & Co Kg, 22525 Hamburg Writing instrument
DE102014018186B4 (en) * 2014-12-09 2016-06-30 Stabilo International Gmbh pen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996044A (en) * 1957-09-11 1961-08-15 Parker Pen Co Writing instruments
NL300030A (en) * 1963-01-12
DE6802585U (en) * 1968-10-16 1969-03-06 Staedtler Fa J S WRITING DEVICE
DE7606113U1 (en) * 1976-03-01 1976-07-15 Lamy, C.Josef, 6900 Heidelberg WRITING DEVICE WITH GRIP AREA
DE2643816A1 (en) * 1976-09-29 1978-03-30 C Josef Lamy Pen with grip surfaces - has surfaces angularly offset in peripheral direction and at different distances from nib

Also Published As

Publication number Publication date
DE3339915A1 (en) 1985-05-23
DE3466961D1 (en) 1987-12-03
DE3339915C2 (en) 1986-04-03
ATE30402T1 (en) 1987-11-15
EP0144518A1 (en) 1985-06-19

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