EP2364862B1 - Stylus, in particular writing stylus - Google Patents

Stylus, in particular writing stylus Download PDF

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Publication number
EP2364862B1
EP2364862B1 EP20100156267 EP10156267A EP2364862B1 EP 2364862 B1 EP2364862 B1 EP 2364862B1 EP 20100156267 EP20100156267 EP 20100156267 EP 10156267 A EP10156267 A EP 10156267A EP 2364862 B1 EP2364862 B1 EP 2364862B1
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EP
European Patent Office
Prior art keywords
shaft
inner part
stylus
stylus according
locking
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EP20100156267
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German (de)
French (fr)
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EP2364862A1 (en
Inventor
Heinrich Stukenkemper
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Faber Castell AG
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Faber Castell AG
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Priority to EP20100156267 priority Critical patent/EP2364862B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/12—Ball-point pens with retractable ball points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions

Definitions

  • the invention relates to a pen, in particular a pen.
  • Conventional pins usually comprise a rod-shaped shaft, the front end of which tapers to a point or carries such a tip, from which centrally a lead, so as a lead, a ballpoint pen refills o. The like. Protrudes.
  • a pen is held by the users usually at the front end with thumb, index and middle finger.
  • a variation of the distance of the pin or its lead to a writing pad requires a changed attitude of the hand with unchanged grip position at the front end of the shaft. This may be difficult for some people for some anatomical reasons. For students learning to write, a relaxed hand position is crucial for a good typeface and overall learning. An unfavorable hand and finger anatomy compared to the size of the pen or health restrictions may prevent this goal.
  • a pin according to claim 1 This comprises a sleeve-shaped shaft and arranged within the shaft, with its front end protruding from the shaft with a projection and a mine-bearing inner part, wherein the shaft and inner part are axially adjustably connected to each other.
  • This embodiment makes it possible that the supernatant of the inner part can be increased or decreased as needed, so that the writing is easily possible with a relaxed for the user or to be taken about from health or anatomical conditions hand position.
  • a display device is present on the pin.
  • An easily manufactured variant of such a device is an axially extending marking on a longitudinal section of the inner part, which moves at least partially into the shaft when it is moved in or out.
  • the size or the length of the visible part of the marking is correlated with the length of the projection of the inner part.
  • the marking may be formed approximately from axially spaced elements such as lines or dots or an axially changing color gradient.
  • the adjustment of the inner part can be done in many ways.
  • the shaft carries an internal thread, which cooperates with an external thread of the inner part, so that a relative rotation of said parts causes a feed or retraction of the inner part.
  • the inner part and the shaft are connected axially displaceable.
  • a once selected adjustment position of the inner part is not changed during writing, for example, the movement coupling between the inner part and the shaft be made stiff, so that it withstands the usual writing pressure.
  • a latching device is provided, with the inner part and shaft are axially fixed to each other in different relative positions. The advantage here is that the inner part and shaft can be easily connected to each other, so that an adjustment of the inner part with little effort is possible.
  • An inventive pin comprises an inner part 1 and a sleeve-shaped shaft 2.
  • the inner part 1 is designed substantially rod-shaped and is encompassed by the shaft 2.
  • the inner part 1 protrudes from the front end of the shaft 2 with a projection 5.
  • the supernatant 11 tapers to a tip 3, but may also have a different shape.
  • a mine 4 is mounted, which protrudes from the top 3.
  • the inner part 1 can in principle be designed arbitrarily, such as a mechanical pin, in which the mine via a feed mechanism (not shown) is movable.
  • the mine 4 may also be mounted axially fixed in the inner part 1 and be about a ballpoint pen refill or the like. Of the Shaft 2 is held against the inner part 1 axially movable on this.
  • the rear end of the inner part 1 is radially widened, whereby a pointing in the direction of the tip 3 radial shoulder 11 is formed.
  • the shaft 2 has at its rear end a portion with an enlarged inner diameter, whereby also a radial shoulder 12 is formed.
  • the two radial shoulders 11, 12 act together as abutment surfaces, whereby the rear axial position of the shaft 2 is predetermined.
  • the shaft 2 is also, at least for a certain distance, mounted rotatably in the circumferential direction 13 on the inner part.
  • a latching device which allows a relative displacement of inner part 1 and shaft 2 in predetermined latching positions.
  • the latching device is designed in the manner of a Rastgesperres, wherein a configured in the form of a circular in plan view nub 6 latching element with recesses 7 on the inner part 1 cooperates.
  • the latching recesses 7 are introduced into the outer circumferential surface 8 of the inner part 1.
  • the nub 6 protrudes from the inner peripheral surface 9 of the shaft 2 and engages in each case in one of the recesses 7.
  • the locking recesses 7 are arranged in an axial row, ie in the axial direction 10 one behind the other.
  • the recesses 7 are each flanked in the axial direction 10 by 2 in the circumferential direction 13 extending webs 14.
  • the upper side 15 of the webs 14 is aligned with the outer peripheral surface 8 of the inner part and has the same curvature as this.
  • the recesses 7 are open and open into an existing in the outer peripheral surface 8, extending in the axial direction 10 longitudinal groove 16th
  • Fig. 1 engages the knob 6 with a corresponding rotational position of the shaft 1 in the longitudinal groove 16 and can be moved axially.
  • the knob 6 engages in a recess 7 a.
  • the recesses 7 are each subdivided by a separating web 17 extending in the axial direction 10 into two parts 18, 19, the part 18 being in connection with the longitudinal groove 16.
  • the dividers 17 extend in the radial direction 20 less far than the locking recesses 7 in the axial direction 10 flanking webs 14.
  • the longitudinal groove 16 therefore has a depth 23 which is less than the depth 24 of the recesses 7.
  • the wall portion 26 is integrally formed with its pointing in the circumferential direction 13a longitudinal edge 27 with the sleeve wall.
  • the other longitudinal edge 28 and extending in the circumferential direction 13 transverse edges 29 and wall portion 26 are, however, cut free, ie between them and the sleeve wall 25 extends a Parting line 30a and 30b.
  • a marking in the form of extending in the circumferential direction 13 and in the axial direction 10 in the grid of the recesses 7 spaced transverse bars 35 is provided on a longitudinal portion 34 at the rear end of the inner part 1.
  • the longitudinal section 34 is more or less covered during the adjustment of the inner part 1 of the shaft 2 depending on the detent position.
  • a total of seven locking recesses 7 and seven transverse lines 35 are present. In the in Fig. 1 shown situation, only two transverse lines 35 are visible.

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  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Pens And Brushes (AREA)

Description

Die Erfindung betrifft einen Stift, insbesondere einen Schreibstift. Herkömmliche Stifte umfassen üblicherweise einen stabförmigen Schaft, dessen Vorderende sich zu einer Spitze verjüngt oder der eine solche Spitze trägt, wobei aus diesem zentral eine Mine, also etwa eine Bleimine, eine Kugelschreibermine o. dgl. vorsteht. Ein Stift wird von den Benutzern in aller Regel am vorderen Ende mit Daumen, Zeige- und Mittelfinger gehalten. Eine Variierung des Abstandes des Stiftes bzw. seiner Mine zu einer Schreibunterlage erfordert bei unveränderter Griffposition am vordersten Schaftende eine veränderte Haltung der Hand. Dies kann für manche Personen etwa aus anatomischen Gründen schwierig sein. Bei Schülern, die das Schreiben erlernen, ist eine entspannte Haltung der Hand ausschlaggebend für ein gutes Schriftbild und den Lernerfolg insgesamt. Eine im Vergleich zur Stiftgröße ungünstige Hand-und Fingeranatomie oder etwa gesundheitliche Einschränkungen können diesem Ziel entgegenstehen.The invention relates to a pen, in particular a pen. Conventional pins usually comprise a rod-shaped shaft, the front end of which tapers to a point or carries such a tip, from which centrally a lead, so as a lead, a ballpoint pen refills o. The like. Protrudes. A pen is held by the users usually at the front end with thumb, index and middle finger. A variation of the distance of the pin or its lead to a writing pad requires a changed attitude of the hand with unchanged grip position at the front end of the shaft. This may be difficult for some people for some anatomical reasons. For students learning to write, a relaxed hand position is crucial for a good typeface and overall learning. An unfavorable hand and finger anatomy compared to the size of the pen or health restrictions may prevent this goal.

Davon ausgehend ist es die Aufgabe der Erfindung, einen Stift vorzuschlagen, der hier Abhilfe schafft.On this basis, it is the object of the invention to propose a pen that provides a remedy.

Diese Aufgabe wird mit einem Stift gemäß Anspruch 1 gelöst. Dieser umfasst einen hülsenförmigen Schaft und einen innerhalb des Schafts angeordneten, mit seinem vorderen Ende mit einem Überstand aus dem Schaft herausragenden und eine Mine tragenden Innenteil, wobei Schaft und Innenteil axial verstellbar miteinander verbunden sind. Diese Ausgestaltung ermöglicht es, dass der Überstand des Innenteils je nach Bedarf vergrößert oder verkleinert werden kann, so dass das Schreiben mit einer für den Benutzer entspannten oder einer etwa aus gesundheitlichen oder anatomischen Gegebenheiten einzunehmenden Handhaltung problemlos möglich ist.This object is achieved with a pin according to claim 1. This comprises a sleeve-shaped shaft and arranged within the shaft, with its front end protruding from the shaft with a projection and a mine-bearing inner part, wherein the shaft and inner part are axially adjustably connected to each other. This embodiment makes it possible that the supernatant of the inner part can be increased or decreased as needed, so that the writing is easily possible with a relaxed for the user or to be taken about from health or anatomical conditions hand position.

Um das Einstellen einer z.B. für eine bestimmte Schreibsituation günstige Verstellposition des Innenteils zu erleichtern, ist am Stift eine Anzeigevorrichtung vorhanden. Eine leicht herzustellende Variante einer solchen Einrichtung ist eine sich in Axialrichtung erstreckende Markierung an einem Längsabschnitt des Innenteils, der sich bei dessen Verstellung zumindest teilweise in den Schaft hinein bzw. heraus bewegt. Die Größe bzw. die Länge des sichtbaren Teils der Markierung ist dabei mit der Länge des Überstands des Innenteils korreliert. Die Markierung kann etwa von axial beabstandeten Elementen wie Strichen oder Punkten oder einem sich in Axialrichtung verändernden Farbverlauf gebildet sein.In order to set a e.g. To facilitate convenient adjustment position of the inner part for a particular writing situation, a display device is present on the pin. An easily manufactured variant of such a device is an axially extending marking on a longitudinal section of the inner part, which moves at least partially into the shaft when it is moved in or out. The size or the length of the visible part of the marking is correlated with the length of the projection of the inner part. The marking may be formed approximately from axially spaced elements such as lines or dots or an axially changing color gradient.

Die Verstellung des Innenteils kann auf vielfältige Art und Weise erfolgen. So ist es denkbar, dass der Schaft ein Innengewinde trägt, das mit einem Außengewinde des Innenteils zusammenwirkt, so dass eine Relativdrehung der genannten Teile einen Vorschub oder Rückschub des Innenteils bewirkt. Möglich ist aber auch, dass Innenteil und Schaft axial verschiebbar miteinander verbunden sind.The adjustment of the inner part can be done in many ways. Thus, it is conceivable that the shaft carries an internal thread, which cooperates with an external thread of the inner part, so that a relative rotation of said parts causes a feed or retraction of the inner part. It is also possible that the inner part and the shaft are connected axially displaceable.

Damit eine einmal gewählte Verstellposition des Innenteils während des Schreibens nicht verändert wird, kann beispielsweise die Bewegungskoppelung zwischen Innenteil und Schaft schwergängig ausgeführt sein, so dass sie dem üblichen Schreibdruck stand hält. Bei einer bevorzugten Ausgestaltung ist jedoch eine Rasteinrichtung vorgesehen, mit der Innenteil und Schaft in unterschiedlichen Relativpositionen axialfest aneinander fixierbar sind. Von Vorteil ist dabei, dass Innenteil und Schaft leichtgängig miteinander verbunden sein können, so dass eine Verstellung des Innenteils mit geringem Kraftaufwand möglich ist.Thus, a once selected adjustment position of the inner part is not changed during writing, for example, the movement coupling between the inner part and the shaft be made stiff, so that it withstands the usual writing pressure. In a preferred embodiment However, a latching device is provided, with the inner part and shaft are axially fixed to each other in different relative positions. The advantage here is that the inner part and shaft can be easily connected to each other, so that an adjustment of the inner part with little effort is possible.

Vorteilhafte Ausgestaltungen gehen aus der nun folgenden Beschreibung hervor, die auf die beigefügten Zeichnungen Bezug nimmt. Es zeigen:

Fig. 1
einen ein Innenteil und einen diesen umgreifenden Schaft aufweisenden Stift,
Fig. 2
das Innenteil in Seitenansicht,
Fig. 3
den Schaft in Längsschnittdarstellung,
Fig. 4
einen Schnitt des Schafts entsprechend der Linie IV-IV in Fig. 2,
Fig. 5
einen Schnitt des Schafts entsprechend der Linie V-V in Fig.2.
Advantageous embodiments will become apparent from the following description, which refers to the accompanying drawings. Show it:
Fig. 1
a pin having an inner part and a shaft which surrounds it
Fig. 2
the inner part in side view,
Fig. 3
the shaft in longitudinal section,
Fig. 4
a section of the shaft according to the line IV-IV in Fig. 2 .
Fig. 5
a section of the shaft corresponding to the line VV in Fig.2 ,

Ein erfindungsgemäßer Stift umfasst ein Innenteil 1 sowie einen hülsenförmigen Schaft 2. Das Innenteil 1 ist im Wesentlichen stabförmig ausgestaltet und ist vom Schaft 2 umgriffen. Das Innenteil 1 steht aus dem vorderen Ende des Schafts 2 mit einem Überstand 5 vor. Der Überstand 11 verjüngt sich zu einer Spitze 3, kann aber auch eine andere Form haben. Zentral im Innenteil 1 ist eine Mine 4 gelagert, die aus der Spitze 3 vorsteht. Das Innenteil 1 kann prinzipiell beliebig gestaltet sein, etwa wie ein mechanischer Stift, bei dem die Mine über einen Vorschubmechanismus (nicht dargestellt) bewegbar ist. Die Mine 4 kann auch axialfest im Innenteil 1 gelagert sein und etwa eine Kugelschreibermine oder dergleichen sein. Der Schaft 2 ist gegenüber dem Innenteil 1 axial beweglich an diesen gehalten. Das hintere Ende des Innenteils 1 ist radial verbreitert, wodurch eine in Richtung der Spitze 3 weisende Radialschulter 11 gebildet ist. Der Schaft 2 weist an seinem hinteren Ende einen Abschnitt mit vergrößertem Innendurchmesser auf, wodurch ebenfalls eine Radialschulter 12 gebildet ist. Die beiden Radialschultern 11, 12 wirken als Anschlagflächen zusammen, wodurch die hintere Axialposition des Schafts 2 vorgegeben ist. Der Schaft 2 ist aber auch, zumindest um eine gewisse Strecke, in Umfangsrichtung 13 drehbar am Innenteil gelagert.An inventive pin comprises an inner part 1 and a sleeve-shaped shaft 2. The inner part 1 is designed substantially rod-shaped and is encompassed by the shaft 2. The inner part 1 protrudes from the front end of the shaft 2 with a projection 5. The supernatant 11 tapers to a tip 3, but may also have a different shape. Centrally in the inner part 1, a mine 4 is mounted, which protrudes from the top 3. The inner part 1 can in principle be designed arbitrarily, such as a mechanical pin, in which the mine via a feed mechanism (not shown) is movable. The mine 4 may also be mounted axially fixed in the inner part 1 and be about a ballpoint pen refill or the like. Of the Shaft 2 is held against the inner part 1 axially movable on this. The rear end of the inner part 1 is radially widened, whereby a pointing in the direction of the tip 3 radial shoulder 11 is formed. The shaft 2 has at its rear end a portion with an enlarged inner diameter, whereby also a radial shoulder 12 is formed. The two radial shoulders 11, 12 act together as abutment surfaces, whereby the rear axial position of the shaft 2 is predetermined. The shaft 2 is also, at least for a certain distance, mounted rotatably in the circumferential direction 13 on the inner part.

Am Innenteil 1 ist eine Rasteinrichtung vorhanden, die eine Relativverschiebung von Innenteil 1 und Schaft 2 in vorgegebenen Rastpositionen erlaubt. Die Rasteinrichtung ist nach Art eines Rastgesperres ausgestaltet, wobei ein in Form einer in Draufsicht kreisrunden Noppe 6 ausgestaltetes Rastelement mit Rastausnehmungen 7 am Innenteil 1 zusammen wirkt. Die Rastausnehmungen 7 sind in die Außenumfangsfläche 8 des Innenteils 1 eingebracht. Die Noppe 6 steht aus der Innenumfangsfläche 9 des Schafts 2 vor und greift jeweils in einer der Rastausnehmungen 7 ein. Die Rastausnehmungen 7 sind in einer Axialreihe, d.h. in Axialrichtung 10 hintereinander angeordnet. Die Ausnehmungen 7 sind in Axialrichtung 10 jeweils von 2 sich in Umfangsrichtung 13 erstreckenden Stegen 14 flankiert. Die Oberseite 15 der Stege 14 fluchtet mit der Außenumfangsfläche 8 des Innenteils und weist die gleiche Krümmung wie diese auf. In einer Umfangsrichtung 13, nämlich in der in Fig. 2 mit 13a gekennzeichneten, sind die Ausnehmungen 7 offen und münden in eine in der Außenumfangsfläche 8 vorhandene, sich in Axialrichtung 10 erstreckende Längsnut 16.On the inner part 1, a latching device is provided which allows a relative displacement of inner part 1 and shaft 2 in predetermined latching positions. The latching device is designed in the manner of a Rastgesperres, wherein a configured in the form of a circular in plan view nub 6 latching element with recesses 7 on the inner part 1 cooperates. The latching recesses 7 are introduced into the outer circumferential surface 8 of the inner part 1. The nub 6 protrudes from the inner peripheral surface 9 of the shaft 2 and engages in each case in one of the recesses 7. The locking recesses 7 are arranged in an axial row, ie in the axial direction 10 one behind the other. The recesses 7 are each flanked in the axial direction 10 by 2 in the circumferential direction 13 extending webs 14. The upper side 15 of the webs 14 is aligned with the outer peripheral surface 8 of the inner part and has the same curvature as this. In a circumferential direction 13, namely in the in Fig. 2 Marked with 13a, the recesses 7 are open and open into an existing in the outer peripheral surface 8, extending in the axial direction 10 longitudinal groove 16th

Im zusammengebauten Zustand gemäß Fig. 1 greift die Noppe 6 bei entsprechender Drehstellung des Schafts 1 in die Längsnut 16 ein und kann axial verschoben werden. Durch eine Drehung des Schafts in Umfangsrichtung 13b rastet die Noppe 6 in eine Rastausnehmung 7 ein. Die Ausnehmungen 7 sind jeweils durch einen sich in Axialrichtung 10 erstreckenden Trennsteg 17 in zwei Teile 18,19 untergliedert, wobei der Teil 18 mit der Längsnut 16 in Verbindung steht. Wie insbesondere Fig. 4 und 5 zu entnehmen ist, erstrecken sich die Trennstege 17 in Radialrichtung 20 weniger weit als die die Rastausnehmungen 7 in Axialrichtung 10 flankierenden Stege 14. Die Längsnut 16 weist daher eine Tiefe 23 auf, die geringer ist als die Tiefe 24 der Rastausnehmungen 7. Durch diese Ausgestaltung ist eine problemlose und störungsfreie Längsführung des mit seiner Noppe 6 in die Längsnut 16 hinein greifenden Schaftes 2 gewährleistet. Wird ausgehend von einer solchen Drehstellung des Schafts 2 dieser in Umfangsrichtung 13b gegenüber dem Innenteil 1 verdreht, so muss zunächst ein gewisser Widerstand überwunden werden, bevor die Noppe 6 in eine Rastausnehmung 7 hineingelangen kann. Damit dies möglich ist wäre es denkbar, die Noppe 6 in Radialrichtung 20 nachgiebig auszugestalten. Bei der dargestellten Ausführungsform wird jedoch ein anderer Weg beschritten. Hier sind die Rastausnehmungen 7 so gestaltet, dass sie radial nach innen ausweichen können. Dies wird dadurch bewerkstelligt, dass das Innenteil 1 eine Hülsenwand 25 umfasst, wobei die Rastausnehmungen 7 auf einem frei geschnittenem Wandabschnitt 26 vorhanden sind. Der Wandabschnitt 26 ist mit seinem in Umfangsrichtung 13a weisenden Längsrand 27 mit der Hülsenwand einstückig ausgebildet. Der andere Längsrand 28 sowie die sich in Umfangsrichtung 13 erstreckenden Querränder 29 und Wandabschnitt 26 sind dagegen freigeschnitten, d.h. zwischen ihnen und der Hülsenwand 25 verläuft eine Trennfuge 30a bzw. 30b. Wenn die Noppe 6 in den ersten Teil 18 einer Rastausnehmung 7 gelangt, wird der Wandabschnitt 26 in Richtung des Pfeils 33 radial nach innen abgelenkt. Dies setzt voraus, dass zwischen etwaigen im Innenteil 1 vorhandenen Einbauten (nicht gezeigt) und der Hülsenwand 25 ein entsprechend bemessener Radialspalt (nicht gezeigt) vorhanden ist.In the assembled state according to Fig. 1 engages the knob 6 with a corresponding rotational position of the shaft 1 in the longitudinal groove 16 and can be moved axially. By a rotation of the shaft in the circumferential direction 13b, the knob 6 engages in a recess 7 a. The recesses 7 are each subdivided by a separating web 17 extending in the axial direction 10 into two parts 18, 19, the part 18 being in connection with the longitudinal groove 16. In particular 4 and 5 can be seen, the dividers 17 extend in the radial direction 20 less far than the locking recesses 7 in the axial direction 10 flanking webs 14. The longitudinal groove 16 therefore has a depth 23 which is less than the depth 24 of the recesses 7. By this configuration is a trouble-free and trouble-free longitudinal guidance of his nub 6 in the longitudinal groove 16 in cross-section 2 ensures. If, starting from such a rotational position of the shaft 2, it is rotated relative to the inner part 1 in the circumferential direction 13b, a certain resistance must first be overcome before the nub 6 can enter into a latching recess 7. In order for this to be possible, it would be conceivable to make the nub 6 flexible in the radial direction 20. However, in the illustrated embodiment, another approach is taken. Here, the recesses 7 are designed so that they can dodge radially inwards. This is accomplished by the inner part 1 comprising a sleeve wall 25, wherein the latching recesses 7 are provided on a freely cut wall section 26. The wall portion 26 is integrally formed with its pointing in the circumferential direction 13a longitudinal edge 27 with the sleeve wall. The other longitudinal edge 28 and extending in the circumferential direction 13 transverse edges 29 and wall portion 26 are, however, cut free, ie between them and the sleeve wall 25 extends a Parting line 30a and 30b. When the nub 6 enters the first part 18 of a latching recess 7, the wall section 26 is deflected radially inwards in the direction of the arrow 33. This assumes that between any present in the inner part 1 internals (not shown) and the sleeve wall 25 a correspondingly sized radial gap (not shown) is present.

Wenn bei einer Verdrehung der Schaft 2 in Umfangsrichtung 13b die Noppe 6 an einen Trennsteg 17 anschlägt, ist für den Benutzer ein weiterer Drehwiderstand zu überwinden. Wird die Noppe 6 an einem Trennsteg 17 vorbeibewegt, wird der Wandabschnitt 26 ein weiteres Stück in Richtung des Pfeiles 33 nach innen abgelenkt, so dass schließlich die Noppe 6 in den zweiten Teil 19 einer Rastausnehmung 7 gelangt. In dieser Situation ist das Innenteil 1 sowohl in beiden Umfangsrichtungen 13a,b als auch in Axialrichtung 10 im Schaft 1 fixiert.If during a rotation of the shaft 2 in the circumferential direction 13b the knob 6 abuts against a separating web 17, a further rotational resistance must be overcome for the user. If the knob 6 is moved past a separating web 17, the wall section 26 is deflected further inward in the direction of the arrow 33, so that finally the nub 6 passes into the second part 19 of a catch recess 7. In this situation, the inner part 1 is fixed in the shaft 1 in both circumferential directions 13a, b and in the axial direction 10.

Um die jeweilige Axialposition des Innenteils 1 relativ zum Schaft 2 deutlich erkennbar zu machen, ist an einem Längsabschnitt 34 am hinteren Ende des Innenteils 1 eine Markierung in Form von in Umfangsrichtung 13 verlaufenden und in Axialrichtung 10 im Raster der Rastausnehmungen 7 beabstandeten Querstrichen 35 vorhanden. Der Längsabschnitt 34 wird bei der Verstellung des Innenteils 1 von dem Schaft 2 je nach Rastposition mehr oder weniger überdeckt. Bei dem dargestellten Beispiel sind insgesamt sieben Rastausnehmungen 7 und sieben Querstriche 35 vorhanden. In der in Fig. 1 gezeigten Situation sind nur noch zwei Querstriche 35 sichtbar. Wenn sich die Noppe 6 in der von der Spitze 3 am weitesten entfernten Rastausnehmung 7' befindet, sind sämtliche Querstriche 35 vom Schaft 2 überdeckt (siehe gestrichelte Linie 36 in Fig. 1). Am vorderen Ende des Schafts 1 sind Griffpositionen für die den Stift führenden Finger der Schreibhand kenntlich gemacht. Dies kann etwa durch eine farbliche Vorhebung, durch eine andersartige Oberflächenstruktur oder, wie in dem in Fig. 1 gezeigten Ausführungsbeispiel, durch eine umlaufende Griffmulde 37 am vorderen Ende des Schafts 2 bewerkstellig werden.In order to make the respective axial position of the inner part 1 relative to the shaft 2 clearly visible, a marking in the form of extending in the circumferential direction 13 and in the axial direction 10 in the grid of the recesses 7 spaced transverse bars 35 is provided on a longitudinal portion 34 at the rear end of the inner part 1. The longitudinal section 34 is more or less covered during the adjustment of the inner part 1 of the shaft 2 depending on the detent position. In the illustrated example, a total of seven locking recesses 7 and seven transverse lines 35 are present. In the in Fig. 1 shown situation, only two transverse lines 35 are visible. When the nub 6 is located in the recess 3 'farthest from the tip 3, all the transverse lines 35 are covered by the shaft 2 (see dashed line 36 in FIG Fig. 1 ). At the front end of the shaft 1 handle positions for the pen leading fingers of the writing hand are identified. This can be done, for example, by a colored highlighting, by a different surface structure or, as in the in Fig. 1 shown embodiment, be accomplished by a circumferential recessed grip 37 at the front end of the shaft 2.

Claims (12)

  1. Stylus, in particular a writing stylus, having a sleeve-like shaft (2) and an inner part (1) that is arranged within the shaft (1), protrudes from its front end with a protrusion (5) from the shaft (1) and supports a point (4), wherein the point (4) protrudes from the protrusion (5) and wherein the shaft (2) and the inner part (1) are connected to each other in an axially adjustable manner, such that the protrusion (5) can be enlarged and reduced for purposes of writing.
  2. Stylus according to claim 1,
    characterised by
    a display device that reproduces the adjustment position of the inner part (1) with respect to the shaft (2).
  3. Stylus according to claim 2,
    characterised by
    an axially-extending marking on a longitudinal section of the inner part (1), which is at least partially immersed into the shaft (2) during the adjustment of the inner part (1).
  4. Stylus according to one of the preceding claims,
    characterised by
    a locking device, with which the inner part (1) can be fixed on the shaft (2) with axial rigidity in different adjustment positions.
  5. Stylus according to claim 4,
    characterised by
    a locking device having pre-determined locking positions.
  6. Stylus according to claim 5,
    characterised in that,
    locking recesses (7) are present on an outer peripheral surface (8) of the inner part (1) or on an inner peripheral surface (9) of the shaft (2), with which recesses a locking element of the inner part (1) or the shaft (2) engages.
  7. Stylus according to claim 6,
    characterised by
    several locking recesses (7) arranged in an axial sequence in the outer peripheral surface (8) of the inner part (1), wherein the locking recesses (7) flow out in a peripheral direction (13) into a longitudinal groove (16) located in the outer peripheral surface (8), which serves for the axial guiding of a locking element protruding out of the inner peripheral surface (9) of the shaft (2).
  8. Stylus according to claim 7,
    characterised in that,
    the depth (23) of the longitudinal groove (16) is greater than the depth (24) of the outlet region (31) of the locking recesses (7).
  9. Stylus according to claim 7 or 8,
    characterised in that,
    the inner part (1) has a casing wall (25), wherein the locking recesses (7) are located on a wall section (26) of the casing wall (25) that has been cut free.
  10. Stylus according to claim 9,
    characterised in that,
    the wall section (26) has two longitudinal edges (27, 28) extending axially and two transverse edges (29) extending in the peripheral direction (13), wherein only the longitudinal edge (27) that is pointing towards the longitudinal groove (16) is connected to the casing wall (25), whereas the other longitudinal edge (28) and at least one region of the transverse edges (29) that is connected thereto are, however, cut free.
  11. Stylus according to one of the preceding claims,
    characterised in that,
    gripping positions for the finger of the writing hand that guides the stylus are marked on the shaft (2).
  12. Stylus according to claim 11,
    characterised in that,
    at least one recessed grip is located on the front end of the shaft (2) as the gripping position.
EP20100156267 2010-03-11 2010-03-11 Stylus, in particular writing stylus Active EP2364862B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20100156267 EP2364862B1 (en) 2010-03-11 2010-03-11 Stylus, in particular writing stylus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20100156267 EP2364862B1 (en) 2010-03-11 2010-03-11 Stylus, in particular writing stylus

Publications (2)

Publication Number Publication Date
EP2364862A1 EP2364862A1 (en) 2011-09-14
EP2364862B1 true EP2364862B1 (en) 2014-09-17

Family

ID=42235395

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100156267 Active EP2364862B1 (en) 2010-03-11 2010-03-11 Stylus, in particular writing stylus

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Country Link
EP (1) EP2364862B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4469462A (en) * 1981-11-11 1984-09-04 Ancos Co., Ltd. Writing instrument with sealing tip
DE8806917U1 (en) * 1988-05-27 1989-09-21 Funk, Walter, Dipl. Industrie-Designer, 7012 Fellbach Writing instrument
DE202005019829U1 (en) * 2005-12-20 2007-01-18 ONLINE Schreibgeräte GmbH Pen with movable writing element has at least one through opening in shaft casing for direct access to writing element as driving force for moving writing element between writing and parked positions
DE202005019990U1 (en) * 2005-12-20 2006-02-16 Rudolf Sellner Ges. mbH Beginner's pencil
US7651289B2 (en) * 2006-03-09 2010-01-26 Nehad Bahbahani Writing instrument
US20090136283A1 (en) * 2007-11-28 2009-05-28 Jay Alexander Diamond Writing instrument for hand-held devices

Also Published As

Publication number Publication date
EP2364862A1 (en) 2011-09-14

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