EP0261114B1 - Recording instrument - Google Patents

Recording instrument Download PDF

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Publication number
EP0261114B1
EP0261114B1 EP86903343A EP86903343A EP0261114B1 EP 0261114 B1 EP0261114 B1 EP 0261114B1 EP 86903343 A EP86903343 A EP 86903343A EP 86903343 A EP86903343 A EP 86903343A EP 0261114 B1 EP0261114 B1 EP 0261114B1
Authority
EP
European Patent Office
Prior art keywords
writing
sleeve
casing
tip
spring
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 - Lifetime
Application number
EP86903343A
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German (de)
French (fr)
Other versions
EP0261114A1 (en
Inventor
Götz-Ulricg Wittek
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.)
Intergraph Office Innovation NV
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Intergraph Office Innovation NV
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Filing date
Publication date
Priority claimed from DE19853518069 external-priority patent/DE3518069A1/en
Application filed by Intergraph Office Innovation NV filed Critical Intergraph Office Innovation NV
Priority to AT86903343T priority Critical patent/ATE94475T1/en
Publication of EP0261114A1 publication Critical patent/EP0261114A1/en
Application granted granted Critical
Publication of EP0261114B1 publication Critical patent/EP0261114B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/02—Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material
    • B43K8/028—Movable closure or gate
    • 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
    • B43K24/08—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons
    • 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
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/24—Pens with writing-points other than nibs or balls characterised by the means for retracting writing-points

Definitions

  • the invention relates to a writing instrument with a sleeve-shaped housing and a writing element arranged in this housing, which can be displaced between a ready-to-write position releasing the tip section of the writing element for writing and a storage position retracted into the housing, the housing section adjacent to the tip section of the writing element consisting of segments , which are radially spread apart in the readiness for writing position and abut one another in the storage position and form a closure part for the tip, the housing consisting of an outer sleeve and an inner sleeve arranged essentially within the outer sleeve and displaceable relative to the latter axially to a limited extent and the segments forming the closure part of the housing are mounted on the inner sleeve, are radially outward under tension and partially outside the outer n sleeve are located where they have a larger outer diameter than the clear width of the tip-side end of the outer sleeve, and wherein the inner sleeve is biased towards the storage position
  • Such a writing instrument is known from DE-C 489 806.
  • a writing instrument is known from US-A-4,540,300 in which the tip section of the writing instrument is surrounded by a tubular elastic cylinder which is squeezed flat in the storage position of the writing instrument and thus closes the space around the writing tip.
  • This writing instrument has the disadvantage that this hose insulation takes up a relatively large amount of space and also tends to stick together when the writing instrument is brought into the ready-to-write position. This affects the tip of the lead and deteriorates the seal.
  • the invention is therefore based on the object of improving known writing instruments in such a way that, with simple manufacture, an optimal sealing of the space around the writing tip is achieved, which does not subside over time.
  • the segments have a recess on their inside in the area comprising the tip section, in each of which correspondingly shaped elastic sealing shells are fastened, which come into abutment in the storage position and together form a hermetically sealed chamber surrounding the tip section .
  • the abutting edge regions of the sealing shells advantageously protrude beyond the recess and consist of an elastically sealing material.
  • the closure 109, 102, 99 can be used to achieve a symmetrical shape during the writing state, also be made in three or more parts. Furthermore, several grooves and grooves can advantageously be provided on the pressure shells 109 for fastening the sealing shells 99, which enable the sealing materials or shells 99 to be clamped or snapped into place on the pressure shells 109 without using adhesive, vulcanizing or other methods.
  • the sealing area to the actual closure parts, for example the closure shell 109 or the like, by means of a two-component injection molding, by printing or spraying on sealing material, by partially dipping the To achieve closure in sealing materials or by pressing or plugging a sealing shell element onto a correspondingly interlocking closure element.
  • FIGS. 1-10) has essentially the same functions as an exemplary embodiment from the earlier application P 33 41 759.8-27, which is shown there in FIGS. 3-6. However, it represents a maximum simplification both in terms of the extremely advantageous, but still very complicated control and switching mechanism shown there, and also in terms of the type of hermetic all-round seal.
  • the great technical advantage in the earlier exemplary embodiment was that, in contrast to all other exemplary embodiments of the same application, the strong compression spring acted on the closure and the weak compression spring on the circuit.
  • the achievement of the readiness to write position was controlled there by the push button both directly on the intermediate sleeve and directly on the A writing element acts, the writing element remaining connected through longitudinal slots in the intermediate sleeve to a circuit engaging the outer sleeve. This switches over during the advance outside the intermediate sleeve, as a result of which the writing element remains in the advanced position, after which the closure retracts and releases the writing tip.
  • the complicated through-the-intermediate sleeve switching is solved in the present exemplary embodiment (FIGS. 1-10) by merely pressing the push button 101 (FIG.
  • both the intermediate sleeve 104 with the closure 109, 99, 102 are pushed forward against the pressure of the spring 9 by the push button area 105, and the writing element 2 is moved via the switching part 108.
  • This pressure actuation continues until the switching part 108 switches over with the lateral circuit 3 'at point 59, after which the pressure actuation subsides and the circuit 3' engages with the writing element 2 in the advanced position (FIG. 1a) and there from the Spring 10 is fixed.
  • the intermediate sleeve 104 with the push buttons 101, 105, 106 and the front closure 109, 99, 102 is pushed further back, finally exposing the writing tip 26 and the writing element tip section 4 by means of corresponding fixing shoulders 112 of the pressure shells 109 is clamped without touching the sealing shells 99 while the spring 9 is relaxed and the spring 10 is tensioned (Fig. 1 b).
  • the switching part 108 is additionally held in a recess 103 of the push button 101 via a rear extension 107.
  • the hermetic closure of the writing tip 26 could also be simplified and perfected at the same time in the present exemplary embodiment, in that all sealing functions on the outside and on the inside of only one with the respective pressure shell 109 (FIG. 1 and FIG. 2) firmly connected sealing shell 99 (in the present case, two in total).
  • the sealing shell 99 is received and fixed in a correspondingly shaped mounting bracket 110 of the pressure (half) shell 109 (FIGS. 2 and 3), the edge regions 100 of the elastic sealing shell 99 projecting a little beyond the edge of the sealing shell 109 (FIG. 7) to ensure the necessary closure pressure on the sealing joints during the closure (Fig. 1, 5 and 6). Since a half-shell bending element would have very little bending elasticity, the bending elements 102 of the closure 109 and 99 are also designed to be narrow, elastic webs.

Abstract

A recording instrument with a sleeve-shaped housing and an automatic closure device for the printing points a, which is improved by the fact that the actuation element has a mechanical switching system (3') whereby the spring (10) which holds the printing element (2) against the housing presses against the inner sleeve (104); whereby the mechanical switching system (3') engages with the outer sleeve (1,31); whereby the return force of the spring (10) which holds the printing element (2) against the inner sleeve (104) is smaller than that of a spring (9) which holds the inner sleeve (104) against the outer sleeve (1, 31); and whereby the operating element consists of two elements which can be displaced axially in relation to one another, of which the first (104, 105, 106) acts on the intermediate sleeve (104) and the second (107, 108) acts on the printing element, carries the mechanical switching system (3') and is operated by the first element (101, 105, 106).

Description

Die Erfindung betrifft ein Schreibgerät mit einem hülsenförmigen Gehäuse und einem in diesem Gehäuse angeordneten Schreibelement, welches zwischen einer den zum Schreiben dienenen Spitzeabschnitt des Schreibelementes freigebenden Schreibbereitschaftsstellung und einer in das Gehäuse zurückgezogenen Aufbewahrungsstellung verlagerbar ist, wobei der dem Spitzenabschnitt des Schreibelementes benachbarte Gehäuseabschnitt aus Segmenten besteht, die in der Schreibbereitschaftsstellung radial auseinandergespreizt sind und in der Aufbewahrungsstellung aneinander anliegen und ein Verschlußteil für die Spitze bilden, wobei das Gehäuse aus einer äußeren Hülse und einer im wesentlichen innerhalb der äußeren Hülse angeordneten, relativ zu dieser in Axialrichtung begrenzt verschiebbaren inneren Hülse besteht und die das Verschlußteil des Gehüses bildenden Segmente an der inneren Hülse gelagert sind, radial nach außen unter Vorspannung stehen und teilweise außerhalb der äußeren Hülse liegen, wo sie einen größeren Außendurchmesser als die lichte Weite des spitzenseiten Endes der äußeren Hülse haben, und wobei die innere Hülse über eine sich an der äußeren Hülse abstützende Feder in Richtung auf die Aufbewahrungsstellung vorbelastet ist und mittels eines Betätigungselementes gegen den Druck der Feder axial verschiebbar ist.The invention relates to a writing instrument with a sleeve-shaped housing and a writing element arranged in this housing, which can be displaced between a ready-to-write position releasing the tip section of the writing element for writing and a storage position retracted into the housing, the housing section adjacent to the tip section of the writing element consisting of segments , which are radially spread apart in the readiness for writing position and abut one another in the storage position and form a closure part for the tip, the housing consisting of an outer sleeve and an inner sleeve arranged essentially within the outer sleeve and displaceable relative to the latter axially to a limited extent and the segments forming the closure part of the housing are mounted on the inner sleeve, are radially outward under tension and partially outside the outer n sleeve are located where they have a larger outer diameter than the clear width of the tip-side end of the outer sleeve, and wherein the inner sleeve is biased towards the storage position via a spring supported on the outer sleeve and by means of an actuating element against the pressure of the Spring is axially displaceable.

Ein derartiges Schreibgerät ist bekannt aus der DE-C 489 806.Such a writing instrument is known from DE-C 489 806.

Aus der US-A-4 540 300 ist ein Schreibgerät bekannt, bei welchem der Spitzenabschnitt des Schreibgerätes von einem schlauchförmigen elastischen Zylinder umgeben ist, der in der Aufbewahrungsstellung des Schreibgerätes flachgequetscht wird und so den Raum um die Schreibspitze verschließt.A writing instrument is known from US-A-4,540,300 in which the tip section of the writing instrument is surrounded by a tubular elastic cylinder which is squeezed flat in the storage position of the writing instrument and thus closes the space around the writing tip.

Dieses Schreibgerät hat den Nachteil, daß diese Schlauchisolierung relativ viel Platz wegnimmt und zudem dazu neigt, zusammenzukleben, wenn das Schreibgerät in die Schreibbereitschaftsstellung überführt wird. Dadurch wird die Minenspitze in Mitleidenschaft gezogen und die Dichtung verschlechtert.This writing instrument has the disadvantage that this hose insulation takes up a relatively large amount of space and also tends to stick together when the writing instrument is brought into the ready-to-write position. This affects the tip of the lead and deteriorates the seal.

Der Erfindung liegt deshalb die Aufgabe zugrunde, daß bekannte Schreibgerät dahingehend zu verbessern, daß bei einfacher Herstellung eine optimale Abdichtung des Raumes um die Schreibspitze erzielt wird, welche auch im Laufe der Zeit nicht nachläßt.The invention is therefore based on the object of improving known writing instruments in such a way that, with simple manufacture, an optimal sealing of the space around the writing tip is achieved, which does not subside over time.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Segmente auf ihrer Innenseite im den Spitzenabschnitt umfassenden Bereich eine Ausnehmung aufweisen, in welcher jeweils entsprechend geformte elastische Dichtschalen befestigt sind, die in der Aufbewahrungsstellung aneinander zur Anlage kommen und miteinander eine den Spitzenabschnitt umgebende hermitsch dichte Kammer bilden.This object is achieved in that the segments have a recess on their inside in the area comprising the tip section, in each of which correspondingly shaped elastic sealing shells are fastened, which come into abutment in the storage position and together form a hermetically sealed chamber surrounding the tip section .

Vorteilhafterweise ragen die aneinander anliegenden Randbereiche der Dichtschalen über die Ausnehmung hervor und bestehen aus elastisch dichtendem Material.The abutting edge regions of the sealing shells advantageously protrude beyond the recess and consist of an elastically sealing material.

Im folgenden wird die Erfindung unter Bezugnahme auf die Figuren genau beschrieben.The invention is described in detail below with reference to the figures.

Es zeigen:

Figur 1 - 1 b
Längsschnitte durch die Ausführungsform des Schreibgerätes in der Ruhe-, Schalt- und Schreibphase,
Fig. 2
eine vergrößerte Draufsicht auf eine der beiden halbschaligen Zwischenhülsen 104 des Schreibgerätes aus Figur 1 - 1 b,
Fig. 3
eine vergrößerte Draufsicht auf eine Dichtschale 99 des Schreibgerätes ,
Fig. 4
einen vergrößerten Längsschnitt durch den Druckknopf 101 des Schreibgerätes ,
Fig. 5
einen vergrößerten Querschnitt durch die geschlossene Verschlußspitze des Schreibgerätes aus Fig. 1,
Fig. 6
einen weiteren vergrößerten Querschnitt durch die geschlossene Verschlußspitze des Schreibgerätes aus Fig. 1
Fig. 7
einen vergrößerten Querschnitt durch die geöffnete Verschlußspitze des Schreibgerätes
Fig. 8
einen vergrößerten Querschnitt durch den Druckknopf 101 des Schreibgerätes
Fig. 9
einen weiteren vergrößerten Querschnitt durch den Druckknopf des Schreibgerätes
Fig. 10
einen vergrößerten Querschnitt durch den hinteren Schaltbereich des Schreibgerätes aus Fig. 1
Das in Fig. 1 - 10 dargestellte Ausführungsbeispiel des Schreibgerätes besitzt ein vorzugsweise zweiteiliges hülsenförmiges Gehäuse 1 und 31, sowie eine darin angeordnete Zwischenhülse 104, die vorzugsweise aus zwei rückwärtig miteinander verschweißten Halbschalen besteht. Die Halbschalen sind an ihrer Vorderseite jeweils mit einem Aufbiegesteg 102, sowie einer daran befindlichen Druckschale 109 versehen.Die Druckschale 109 dient dabei vorzugsweise als Träger einer elastischen und fest mit ihr verbundenen Dichtschale 99. Desweiteren befindet sich in der Zwischenhülse 104 ein Schreibelement 2, welches vorderseitig mit einer schwachen Feder 10 vorgespannt ist. In den beiden Dichtschalen 99 der Zwischenhülse 104 wird während des Verschlußzustandes ( Fig. 1 ) die Schreibspitze 26 des Schreibelements 2 hermetisch verschlossen und zwar so fest, daß der Verdunstungsdruck aller bekannten Schreib- und Lösungsmittel absolut sicher abgedichtet wird. Der durch eine sehr starke Feder 9 herbeigeführte Verschlußdruck ist außerdem so groß, daß eventuell in den geschlossenen Dichtschalen auslaufende Schreibflüssigkeit unter keinen Umständen kapillar nach außen dringen kann.
Ferner befindet sich im rückwärtigen Teil des Schreibgerätes ein teilweise teilschaliges Druckknopfelement 101, dessen teilschalige Bereiche 105 und 106 ( Fig. 1, 4, 8, 9 und 10 ) sich bis zum hinteren Ende der Zwischenhülse 104 erstrecken und auf diese einwirken können ( Fig. 1 ). In dem Bereich, der rückwärtig nicht vom Druckknopfelement 101 ausgefüllt wird, befindet sich außerdem ein Schaltteil 108, mit einer am Gehäuse 31 angreifenden Schaltung 3', welches auf das Schreibelement 2 einwirken kann und welches von dem Druckknopfelement 101 mitgeführt werden kann.Show it:
Figure 1 - 1 b
Longitudinal sections through the embodiment of the writing instrument in the resting, switching and writing phase,
Fig. 2
2 shows an enlarged top view of one of the two half-shell intermediate sleeves 104 of the writing instrument from FIGS. 1 to 1 b,
Fig. 3
3 shows an enlarged top view of a sealing shell 99 of the writing instrument,
Fig. 4
an enlarged longitudinal section through the push button 101 of the writing instrument,
Fig. 5
2 shows an enlarged cross section through the closed closure tip of the writing instrument from FIG. 1,
Fig. 6
another enlarged cross section through the closed closure tip of the writing instrument of FIG. 1st
Fig. 7
an enlarged cross section through the open closure tip of the writing instrument
Fig. 8
an enlarged cross section through the push button 101 of the writing instrument
Fig. 9
another enlarged cross section through the push button of the writing instrument
Fig. 10
3 shows an enlarged cross section through the rear switching area of the writing instrument from FIG. 1
The exemplary embodiment of the writing instrument shown in FIGS. 1-10 has a preferably two-part sleeve-shaped housing 1 and 31, and an intermediate sleeve 104 arranged therein, which preferably consists of two half-shells welded together at the rear. The half-shells are each provided on their front side with a bending web 102 and a pressure shell 109 located thereon. The pressure shell 109 preferably serves as a support for an elastic sealing shell 99 firmly connected to it. Furthermore, a writing element 2 is located in the intermediate sleeve 104, which is biased at the front with a weak spring 10. In the two sealing shells 99 of the intermediate sleeve 104, the writing tip 26 of the writing element 2 is hermetically sealed during the closed state (FIG. 1) and in such a way that the evaporation pressure of all known writing and solvents is sealed absolutely securely. The closure pressure, which is brought about by a very strong spring 9, is also so great that any writing liquid which may leak out in the closed sealing shells can under no circumstances penetrate capillary outwards.
Furthermore, in the rear part of the writing instrument there is a partially partial-shell push button element 101, the partial-shell regions 105 and 106 (FIGS. 1, 4, 8, 9 and 10) of which extend to the rear end of the intermediate sleeve 104 and can act on it (FIG. 1 ). In the area that is not filled in at the rear by the push-button element 101, there is also a switching part 108, with a circuit 3 ′ engaging on the housing 31, which can act on the writing element 2 and which can be carried by the push-button element 101.

Bei anderen, nicht dargestellten Ausführungsbeispielen des Schreibgerätes kann der Verschluß 109, 102, 99, zur Erreichung einer symmetrischen Form während des Schreibzustandes, auch drittel- oder mehrteilig ausgeführt sein. Ferner können zur Befestigung der Dichtschalen 99 vorteilhafterweise auchmehrere Nuten und Riefen an den Druckschalen 109 vorhanden sein, die ein fixierendes Einklemmen oder Einrasten der Dichtmaterialien oder -schalen 99 an den Druckschalen 109 ermöglichen, ohne Klebe-, Vulkanisier- oder sonstige Verfahren zu verwenden.
Des weiteren ist es bei der Herstellung von anderen, vorteilhaften Ausführungsbeispielen des Schreibgerätes möglich, die Verbindung des Dichtbereiches mit den eigentlichen Verschlußteilen , z.B. der Verschlußschale 109 oder ähnlichem, durch einen Zwei-Komponenten Spritzguß, durch Aufdrucken oder Aufsprühen von Dichtmaterial, durch teilweises Tauchen des Verschlusses in Dichtmaterialien oder durch Einpressen oder Aufstecken eines Dichtschalenelemnts auf entsprechend damit ineinandergreifende Verschlußelemenbe zu erreichen.In other exemplary embodiments of the writing instrument, not shown, the closure 109, 102, 99 can be used to achieve a symmetrical shape during the writing state, also be made in three or more parts. Furthermore, several grooves and grooves can advantageously be provided on the pressure shells 109 for fastening the sealing shells 99, which enable the sealing materials or shells 99 to be clamped or snapped into place on the pressure shells 109 without using adhesive, vulcanizing or other methods.
Furthermore, in the manufacture of other advantageous embodiments of the writing instrument, it is possible to connect the sealing area to the actual closure parts, for example the closure shell 109 or the like, by means of a two-component injection molding, by printing or spraying on sealing material, by partially dipping the To achieve closure in sealing materials or by pressing or plugging a sealing shell element onto a correspondingly interlocking closure element.

Das dargestellte Ausführungsbeispiel ( Fig. 1 - 10 ) gleicht in seinen Funktionen im wesentlichen einem Ausführungsbeispiel aus der früheren Anmeldung P 33 41 759.8 - 27, welches dort in Fig. 3 - 6 gezeigt wird. Es stellt jedoch sowohl hinsichtlich der dort gezeigten, zwar außerordentlich vorteilhaften, aber noch sehr komplizierten Steuerungs- und Schaltmechanik,als auch hinsichtlich der Art der hermetischen Rundum-Abdichtung eine maximale Vereinfachung dar.The exemplary embodiment shown (FIGS. 1-10) has essentially the same functions as an exemplary embodiment from the earlier application P 33 41 759.8-27, which is shown there in FIGS. 3-6. However, it represents a maximum simplification both in terms of the extremely advantageous, but still very complicated control and switching mechanism shown there, and also in terms of the type of hermetic all-round seal.

Der große technische Vorteil in dem früheren Ausführungsbeispiel bestand darin, daß hier im Unterschied zu allen anderen Ausführungsbeispielen derselben Anmeldung die starke Druckfeder auf den Verschluß und die schwache Druckfeder auf die Schaltung einwirkte. Die Erreichung der Schreibbereitschaftsstellung wurde dort gesteuert, indem der Druckknopf sowohl direkt auf die Zwischenhülse, als auch direkt auf das Schreibelement einwirkt, wobei das Schreibelement durch Längsschlitze der Zwischenhülse hindurch mit einer an der äußeren Hülse angreifenden Schaltung in Verbindung bleibt. Diese schaltet während des Vorschubs außerhalb der Zwischenhülse um, wodurch das Schreibelement in der vorgeschobenen Position verbleibt, wonach sich der Verschluß zurückzieht und die Schreibspitze freigibt.
Das komplizierte Durch-die-Zwischenhülse-Hindurchschalten wird in dem vorliegenden Ausführungsbeispiel ( Fig. 1 - 10 ) gelöst, indem der Druckknopf 101 ( Fig. 1 ) in bestimmten Bereichen 106, 105 ( Fig. 1, 4, 8, 9 ) lediglich teilschalig ausgeführt wird und mit diesen Bereichen 106 und 105 auf die Zwischenhülse 104 ( Fig. 1 - 1b ) einwirkt. Gleichzeitig wirkt der Druckknopf 101 in dem Bereich, der durch die Teilschalen 106 und 105 freibleibt, auf ein besonderes, längsverschiebliches Schaltteil 108 mit einer seitlichen,am äußeren Gehäuse 31 angreifenden Schaltung 3' ( vorzugsweise eine Herzkurvenschaltung mit freilaufender Kugel ) ein ( Fig. 1 - 1b und Fig. 10 ) , wobei dieses Schaltteil 108 wiederum auf das Schreibelement 2 einwirkt.
Bei einer Betätigung des Druckknopfes 101 werden nun sowohl die Zwischenhülse 104 mit dem Verschluß 109, 99, 102 gegen den Druck der Feder 9 durch den Druckknopfbereich 105 nach vorne verschoben, als auch das Schreibelement 2 über das Schaltteil 108.
Diese Druckbetätigung setzt sich solange fort, bis dabei das Schaltteil 108 mit der seitlichen Schaltung 3' im Punkt 59 umschaltet, wonach die Druckbetätigung nachläßt und die Schaltung 3' mit dem Schreibelement 2 in der vorgeschobenen Position einrastet ( Fig. 1a ) und dort von der Feder 10 fixiert wird.The great technical advantage in the earlier exemplary embodiment was that, in contrast to all other exemplary embodiments of the same application, the strong compression spring acted on the closure and the weak compression spring on the circuit. The achievement of the readiness to write position was controlled there by the push button both directly on the intermediate sleeve and directly on the A writing element acts, the writing element remaining connected through longitudinal slots in the intermediate sleeve to a circuit engaging the outer sleeve. This switches over during the advance outside the intermediate sleeve, as a result of which the writing element remains in the advanced position, after which the closure retracts and releases the writing tip.
The complicated through-the-intermediate sleeve switching is solved in the present exemplary embodiment (FIGS. 1-10) by merely pressing the push button 101 (FIG. 1) in certain areas 106, 105 (FIGS. 1, 4, 8, 9) is executed in part and with these areas 106 and 105 acts on the intermediate sleeve 104 (Fig. 1 - 1b). At the same time, the pushbutton 101 acts in the area that remains free through the partial shells 106 and 105 on a special, longitudinally displaceable switching part 108 with a lateral circuit 3 '(preferably a heart curve circuit with a free-running ball) engaging on the outer housing 31 (FIG. 1 - 1b and Fig. 10), this switching part 108 in turn acting on the writing element 2.
When the push button 101 is actuated, both the intermediate sleeve 104 with the closure 109, 99, 102 are pushed forward against the pressure of the spring 9 by the push button area 105, and the writing element 2 is moved via the switching part 108.
This pressure actuation continues until the switching part 108 switches over with the lateral circuit 3 'at point 59, after which the pressure actuation subsides and the circuit 3' engages with the writing element 2 in the advanced position (FIG. 1a) and there from the Spring 10 is fixed.

Durch das weitere Nachlassen des Betätigungsdruckes schiebt sich nun die Zwischenhülse 104 mit dem Druckknopf 101, 105, 106 und dem vorderseitigen Verschluß 109, 99, 102 weiter nach hinten, wobei schließlich die Schreibspitze 26 freigelegt und der Schreibelementspitzenabschnitt 4 durch entsprechende Fixierschultern 112 der Druckschalen 109 eingespannt wird, ohne daß dabei die Dichtschalen 99 berührt werden, während die Feder 9 entspannt und die Feder 10 gespannt wird ( Fig. 1 b ). Um ein seitliches Wegkippen und Herausfallen des Schaltteils 108 und somit möglicherweise auch des Druckknopfes 101 aus dem hinteren Gehäuseteil 31 während des aufgeschraubten Zustandes zu verhindern, wird dabei das Schaltteil 108 über einen hinteren Fortsatz 107 zusätzlich in einer Aussparung 103 des Druckknopfes 101 gehalten. Hierdurch wird gewährleistet, daß auch wenn das Schaltteil 108 maximal gegen den Druckknopf 101 nach vorne verschoben ist, dieses weiterhin genau in der achsenparallelen Lage gehalten wird und somit also spätestens am Umschaltpunkt 59 durch die Schaltkugel festgehalten wird, wodurch gleichzeitig der Druckknopf 101 , einmal montiert, für immer im hinteren Gehäuseteil 31 festgehalten bleibt. Der Druckknopf 101 und die darauf genau abgestimmte Schaltung 108 bilden nach der Montage somit eine feste Funktionseinheit.As the actuation pressure continues to decrease, the intermediate sleeve 104 with the push buttons 101, 105, 106 and the front closure 109, 99, 102 is pushed further back, finally exposing the writing tip 26 and the writing element tip section 4 by means of corresponding fixing shoulders 112 of the pressure shells 109 is clamped without touching the sealing shells 99 while the spring 9 is relaxed and the spring 10 is tensioned (Fig. 1 b). In order to prevent the switching part 108 and thus possibly also the push button 101 from tipping sideways and falling out of the rear housing part 31 during the screwed-on state, the switching part 108 is additionally held in a recess 103 of the push button 101 via a rear extension 107. This ensures that even if the switching part 108 is maximally displaced against the push button 101 to the front, this is still held exactly in the axis-parallel position and is thus held by the switching ball at the switching point 59 at the latest, whereby the push button 101 is mounted once, at the same time , remains held forever in the rear housing part 31. The push button 101 and the circuit 108 which is precisely matched to it thus form a fixed functional unit after assembly.

Bei der Verschließung des Schreibgerätes laufen die beschriebenen Funktionsabläufe in umgekehrter Reihenfolge ab.When the writing instrument is closed, the functional sequences described run in reverse order.

Der hermetische Verschluß der Schreibspitze 26 konnte bei dem vorliegenden Ausführungsbeispiel ebenfalls vereinfacht und gleichzeitig perfektioniert werden, indem alle Dichtfunktionen nach außen wie nach innen von lediglich einer mit der jeweiligen Druckschale 109 ( Fig. 1 und Fig. 2 ) fest verbundenen Dichtschale 99 ( im vorliegenden Fall insgesamt also zwei ) bewirkt werden.
Die Dichtschale 99 wird dabei in einer entsprechend geformten Aufnahmehalterung 110 der Druck(-halb)schale 109 ( Fig. 2 und 3 ) aufgenommen und fixiert, wobei die Randbereiche 100 der elastischen Dichtschale 99 über den Rand der Dichtschale 109 ein Stück herausstehen ( Fig. 7 ) um während des Verschlusses ( Fig. 1, 5 und 6 ) für den notwendigen Verschlußdruck auf den Dichtfugen zu sorgen. Da ein halbschaliges Aufbiegeelement nur sehr wenig Biegeelastizität aufweisen würde, sind hier außerdem die Aufbiegeelemente 102 des Verschlusses 109 und 99 zu schmalen, elastischen Stegen ausgebildet.The hermetic closure of the writing tip 26 could also be simplified and perfected at the same time in the present exemplary embodiment, in that all sealing functions on the outside and on the inside of only one with the respective pressure shell 109 (FIG. 1 and FIG. 2) firmly connected sealing shell 99 (in the present case, two in total).
The sealing shell 99 is received and fixed in a correspondingly shaped mounting bracket 110 of the pressure (half) shell 109 (FIGS. 2 and 3), the edge regions 100 of the elastic sealing shell 99 projecting a little beyond the edge of the sealing shell 109 (FIG. 7) to ensure the necessary closure pressure on the sealing joints during the closure (Fig. 1, 5 and 6). Since a half-shell bending element would have very little bending elasticity, the bending elements 102 of the closure 109 and 99 are also designed to be narrow, elastic webs.

BezugszeichenlisteReference symbol list

11
hülsenförmiges Gehäusesleeve-shaped housing
22nd
SchreibelementWriting element
3'3 '
seitliche Schaltungside shift
44th
Spitzenabschnitt des SchreibelementsTip section of the writing element
99
DruckfederCompression spring
1010th
weitere Druckfederfurther compression spring
2626
SchreibspitzeWriting tip
3131
hinterer Gehäuseteilrear housing part
5959
Umschaltpunkt der SchaltungSwitching point of the circuit
9999
elastische Dichtschaleelastic sealing shell
100100
Druckvorsprung der DichtschalePressure protrusion of the sealing shell
101101
z.T. teilschaliger Druckknopfpartly partial-shell push button
102102
AufbiegestegAufbiegeeg
103103
AussparungRecess
104104
ZwischenhülseIntermediate sleeve
105105
teilschaliger Druckknopfbereichpartial-shell push button area
106106
teilschaliger Druckknpfbereichpartial-shell snap area
107107
Fortsatz der SchaltungContinuation of the circuit
108108
SchaltteilSwitching part
109109
DruckschalePressure shell
110110
Aufnahmehalterung für die DichtschaleHolder for the sealing cup
111111
RingnutRing groove

Claims (2)

  1. A writing instrument with a sleeve-shaped casing (1, 31) and a writing element (2) which is disposed in this casing and which is displaceable between a position ready for writing releasing the tip portion (4) of the writing element used for writing and a storage position retracted into the casing, wherein the casing portion adjacent the tip portion (4) of the writing element comprises segments (109) which are radially spread apart in the position ready for writing and adjoin one another in the storage position and which form a closure member for the tip, wherein the casing comprises an outer sleeve (1, 31) and an inner sleeve (104) disposed substantially inside the outer sleeve and axially displaceable to a limited extent relative thereto, and the segments (109) forming the closure member of the casing are mounted on the inner sleeve, are arranged radially outwards under pretension and are situated partly outside the outer casing where they have an outer diameter larger than the clear width of the end of the outer sleeve on the tip side, and wherein the inner sleeve is preloaded towards the storage position via a spring (10) bearing against the outer sleeve and can be displaced axially against the pressure of the spring (10) by means of an actuating member (101), characterised in that on their inside, in the region surrounding the tip portion (4), the segments have a recess (110) in which are secured respective correspondingly shaped elastic sealing cups (99) which abut against one another in the storage position and together form a hermetically sealed chamber surrounding the tip portion (4).
  2. A writing instrument according to Claim 1, characterised in that the mutually adjoining edge zones (100) of the sealing cups (99) project over the recess (110) and consist of an elastically sealing material.
EP86903343A 1985-05-20 1986-05-20 Recording instrument Expired - Lifetime EP0261114B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86903343T ATE94475T1 (en) 1985-05-20 1986-05-20 WRITING INSTRUMENT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853518069 DE3518069A1 (en) 1983-11-18 1985-05-20 Writing implement
DE3518069 1985-05-20

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP92110508.6 Division-Into 1992-06-22

Publications (2)

Publication Number Publication Date
EP0261114A1 EP0261114A1 (en) 1988-03-30
EP0261114B1 true EP0261114B1 (en) 1993-09-15

Family

ID=6271153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86903343A Expired - Lifetime EP0261114B1 (en) 1985-05-20 1986-05-20 Recording instrument

Country Status (6)

Country Link
US (1) US4859103A (en)
EP (1) EP0261114B1 (en)
JP (1) JPH0655558B2 (en)
AU (1) AU5957286A (en)
DE (1) DE3689044D1 (en)
WO (1) WO1986007014A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5725323A (en) * 1989-02-15 1998-03-10 Intergraph Office Innovation N.V. Writing appliance that closes automatically after a given time interval
US6024783A (en) 1998-06-09 2000-02-15 International Business Machines Corporation Aroma sensory stimulation in multimedia
US6964534B2 (en) * 2003-06-26 2005-11-15 Binney & Smith Inc. Retractable writing instrument
US20070274765A1 (en) * 2003-06-26 2007-11-29 Crayola Llc Retractable writing instrument
US7850382B2 (en) 2007-01-18 2010-12-14 Sanford, L.P. Valve made from two materials and writing utensil with retractable tip incorporating same
US7488130B2 (en) * 2007-02-01 2009-02-10 Sanford, L.P. Seal assembly for retractable instrument
US8226312B2 (en) 2008-03-28 2012-07-24 Sanford, L.P. Valve door having a force directing component and retractable instruments comprising same
US8221012B2 (en) 2008-11-07 2012-07-17 Sanford, L.P. Retractable instruments comprising a one-piece valve door actuating assembly
US8393814B2 (en) 2009-01-30 2013-03-12 Sanford, L.P. Retractable instrument having a two stage protraction/retraction sequence
CN102233767A (en) * 2011-03-29 2011-11-09 河南省电力公司平顶山供电公司 Anti-dry mechanism of gel ink pen point
NL2006941C2 (en) * 2011-06-15 2012-12-18 Creaidea B V FELT TIP PEN.
DE102011052144A1 (en) * 2011-07-26 2013-01-31 Fabian Nicolay Writing implement for exchangeable writing insert
JP7097151B2 (en) * 2016-08-23 2022-07-07 フロコン， インコーポレイテッド Retractable fluid coating device
CN111511573A (en) * 2017-12-20 2020-08-07 株式会社百乐 Retractable writing instrument and multi-core writing instrument

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Publication number Priority date Publication date Assignee Title
US290684A (en) * 1883-12-25 Heimeb
DE489806C (en) * 1928-03-06 1930-01-23 Kinzinger Fa D Fountain pen
US2111767A (en) * 1933-04-27 1938-03-22 Maurice Gimonet Cosmetic container
BE481612A (en) * 1947-04-04
CH394865A (en) * 1962-06-07 1965-06-30 Real Patentauswertungs Anstalt Control mechanism for pens, pencils, etc., with retractable writing tip
US3362778A (en) * 1965-04-16 1968-01-09 Pavese Angelo Fountain pen
US3480370A (en) * 1968-01-18 1969-11-25 Penn Corp Writing instruments
DE7037517U (en) * 1970-10-10 1971-01-14 Faber Castell A Writing implement with tip lock
JPS5982790U (en) * 1982-11-26 1984-06-04 パイロツトインキ株式会社 cat press writing instrument
JPS59156798A (en) * 1983-02-25 1984-09-06 翠川　克夫 Knock type cap-less marking pen

Also Published As

Publication number Publication date
WO1986007014A1 (en) 1986-12-04
US4859103A (en) 1989-08-22
DE3689044D1 (en) 1993-10-21
AU5957286A (en) 1986-12-24
EP0261114A1 (en) 1988-03-30
JPH0655558B2 (en) 1994-07-27
JPS62502882A (en) 1987-11-19

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