EP0220487A1 - Instrument à écrire - Google Patents

Instrument à écrire Download PDF

Info

Publication number
EP0220487A1
EP0220487A1 EP86113030A EP86113030A EP0220487A1 EP 0220487 A1 EP0220487 A1 EP 0220487A1 EP 86113030 A EP86113030 A EP 86113030A EP 86113030 A EP86113030 A EP 86113030A EP 0220487 A1 EP0220487 A1 EP 0220487A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
sealing insert
writing instrument
writing
sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP86113030A
Other languages
German (de)
English (en)
Other versions
EP0220487B1 (fr
Inventor
Christoph Manusch
Günter Scholz
Udo Obersteller
Heinrich Schoop
Friedrich Dralle
Manfred Brümmer
Uwe Femmer
Christian Hofmann
Günter Ulrich
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 International Corp Bhd
Original Assignee
Pelikan GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pelikan GmbH filed Critical Pelikan GmbH
Priority to AT86113030T priority Critical patent/ATE39648T1/de
Publication of EP0220487A1 publication Critical patent/EP0220487A1/fr
Application granted granted Critical
Publication of EP0220487B1 publication Critical patent/EP0220487B1/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • B43K23/08—Protecting means, e.g. caps
    • B43K23/12—Protecting means, e.g. caps for pens
    • B43K23/128—Protecting means, e.g. caps for pens with spring means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F23/00—Advertising on or in specific articles, e.g. ashtrays, letter-boxes
    • G09F2023/0016—Advertising on or in specific articles, e.g. ashtrays, letter-boxes on pens

Definitions

  • a known writing instrument with a cap according to the preamble of claim 1 is described in US Pat. No. 1,838,543 in the form of a fountain pen with a cap that can be attached.
  • Near the nib of the fountain pen holder is arranged on the shaft of an annular bead and a sleeve which can be slipped onto the shaft and which surrounds the annular bead at a distance.
  • a specially shaped ring groove is formed on the inner wall of the sleeve.
  • the end of the sleeve facing away from the writing instrument is closed and has an axially movable signal slide which is pressed outwards by its own spiral spring.
  • the inner end of the signal slide is provided with locking claws, which can grip around the spherical end of a coaxial pin that lies inside the sleeve and is in turn connected to the leaf springs.
  • the known mechanism is not completely reliable: due to inclined insertion of the writing instrument into the sleeve or due to the bending of one of the leaf springs mentioned, there is a risk that the annular bead does not engage with the mouth of the sleeve, but with the inwardly angled end of a leaf spring .
  • the sealing insert is inserted into the sleeve, the leaf springs assume their engagement position and the signal slide shows a sealed position without a sealing engagement between the sealing insert and the writing instrument, because the ring bead is not between the mouth and the claw-like Ends of the leaf springs, but outside of this area.
  • the sleeve can be moved with a relatively large amount of play relative to the shaft of the writing instrument. If there is an inadequate seal between the ring bulge and the mouth of the sleeve, the writing tip cannot be prevented from drying out in the long term.
  • writing utensil caps which have a longitudinally displaceable sealing insert which can be moved by the writing utensil, the writing utensil in a tubular sleeve-shaped section of the seal insert is inserted under friction or pulled out of it.
  • a signal pin is attached to the sealing insert, which is visible when the insert is fully pushed onto the writing tip.
  • the axial movement of the sealing insert is controlled by a limit force lock, which is designed so that the limit force when unlocking is smaller and greater when locking than the friction force to be overcome when inserting or removing the writing tip.
  • a fountain pen plug cap which has a sealing insert into which the shaft of a writing instrument can be inserted.
  • the writing instrument is provided with an annular bead, which is engaged behind by a corresponding sealing surface of the sealing insert when the writing instrument is inserted.
  • a display of the tight fit of the writing instrument is not provided in the known plug cap.
  • a cap of a fountain pen in which the cap or its sleeve snaps onto the shaft of the writing instrument.
  • an annular groove is provided on the shaft, which cooperates with a corresponding locking bar on the inner surface of the cap or the sleeve.
  • a similar latching between a writing instrument cap and the device shaft is provided in the subject matter of DE-GM 69 11 249, whereby in the case of the object known from this document, the shaft of the writing instrument is provided with an annular bead and the inside of the cap is provided with a corresponding counter groove.
  • DE-PS 827 760 a fountain pen with a screw-on cap is known.
  • the closure cap contains an axially displaceable sealing insert. The sealing insert is biased towards the open end of the cap by a spring. An indication of the sealing of the writing instrument tip has not been provided for the three last-mentioned writing instruments.
  • the invention has for its object to further develop such a writing instrument in such a way that, while maintaining its aforementioned advantageous functional sequence, its construction is significantly simplified and, at the same time, the possibility of a false indication with insufficient sealing intervention is virtually eliminated.
  • a surprisingly simple, but particularly effective and functionally reliable arrangement is achieved precisely through the interaction of a plurality of individual features.
  • a ring strip is first provided on the shaft of the writing instrument, which no longer seals, as before, with respect to the mouth of the sealing insert, but rather can be inserted into the sleeve, being on the inner wall of the sleeve during the entire displacement distance in each of the positions assumed fits tightly.
  • the latching no longer takes place between the sealing insert and the device shaft, but rather between the latter and the sleeve, the latching point being arranged in such a way that latching can only occur when the sealing insert is first pushed onto the sleeve from the annular bead when it is pushed on corresponding stop in the sleeve has been pushed back and then the ring bar has penetrated enough into the sleeve to ensure the desired seal.
  • This means that the latching place is only reached in the state in which the desired sealing of the damp room is inevitably established.
  • the sleeve If the sleeve is released before reaching the locking connection, it is pushed back by the spring from the writing instrument, regardless of whether the ring bar pushes the sealing insert in front of it without clamping or how far the ring bead was already pushed into the sealing insert, so that the The user immediately notices that the desired locking position has never been reached.
  • the signal slider is rigidly connected to the sealing insert and only protrudes from the end of the sleeve when there is proper sealing engagement.
  • the signal slide can only protrude from the sleeve when it is held in its retracted position, that is, when the locking engagement between the sleeve and the shaft has taken place.
  • Has the locking engagement z. B. has not yet taken place or is already released when the sleeve is removed from the writing instrument, then the spring acting between the sleeve and sealing insert inevitably shifts the sleeve when released into such a position relative to the sealing insert that the signal slide firmly connected to it is no longer recognizable from the outside is.
  • the locking engagement is achieved by means of a combined friction / form fit by forming a ring bar on the surface of the barrel of the writing instrument and / or on the inner surface of the sleeve or by forming an annular groove on the inside of the sleeve opposite the ring bar on the barrel.
  • the writing device closure according to the invention thus has no further part apart from the barrel with writing tip, the sleeve, the sealing insert and the spring. It is of remarkably simple construction, inexpensive to manufacture and at the same time much more reliable than the generic known writing instrument with its many and complicated individual parts. Ultimately, it reliably precludes incorrect displays of the insertion position if there is no sealing intervention.
  • an inner annular flange is formed in the sleeve which, together with counter-stops which are formed on the sealing insert, forms the end stops for the movement of the sealing insert relative to the sleeve with its two surfaces pointing in the axial direction.
  • one of the counter-stops is made of resilient pawls, so that the sealing insert with these counter-stops are first passed through the ring flange when the writing device is assembled, but then not because of the pivoting out of the pawls in the opposite direction more can happen.
  • the pawls are preferably assigned to the stop which prevents the sealing insert from escaping from the sleeve in the direction of the writing instrument, since, because of the tubular sleeve-shaped section which has a relatively large diameter, assembly preferably takes place from this side of the sleeve.
  • the sleeve is closed at this end with a transparent hood, which surrounds the signal slide in its outer end position.
  • the sleeve of the writing instrument according to the invention can overlap the shaft of the writing instrument.
  • a preferred embodiment of the invention is characterized by a between the shaft and ring strip or ring only a trained shoulder and a radial second shoulder between a socket with the ring bead and the ring strip or ring groove, the distance being dimensioned such that when the latched sleeve is pushed even further onto the shaft, it rests on the shoulder, while a distance remains between the mouth surface of the sealing insert and the radial second shoulder.
  • the sealing engagement between the ring bar and the inner wall of the sealing insert always ensures that the sealing insert is pushed onto the writing instrument only as far as is forced as a result of the sleeve being pushed onto the writing instrument, and that the writing instrument only then moves out of the sealing insert again when the sleeve is removed from the writing instrument.
  • the functional sequence which is so advantageous in the generic writing instrument is retained without, however, the disadvantages of the known writing instrument mentioned having to be accepted.
  • a preferred embodiment of the invention also consists in the fact that, when the sleeve is removed from the writing instrument, the end of the sleeve facing the shaft protrudes from the sleeve.
  • the advantage of this arrangement is particularly evident if, with a neutral-colored sleeve, the material of the sealing insert, which is preferably made in one piece, is uniform in one of the writing colors of the writing instrument Color is colored.
  • the signal slide shows the color of the writing fluid of the writing instrument, while when the sleeve is removed, the protruding end of the sleeve shows the same color, so that overall it is prevented that non-matching sleeves and writing utensils are accidentally put together.
  • the holding force of the latching device exceeds the restoring force of the spring in the writing device according to the invention.
  • the figure shows a writing instrument 8, which has an elongated, essentially circular cylindrical shaft, not shown in the figure.
  • a socket 9 is inserted into the open end of the shaft, the section adjacent to the shaft merging flush into the outer surface of the shaft and extending it by an annular section. This section is offset radially inwards, a shoulder 12 being formed which extends essentially radially to the axis of the writing instrument 8.
  • the shoulder 12 On the shoulder 12 is an almost circular cylindrical, but slightly widening upward extension, the three over has the circumference distributed, outwardly projecting longitudinal ribs which extend from the shoulder 12 approximately to the middle of the extension.
  • the upper end of the extension has a bead-like ring strip 14 as a projecting annular thickening.
  • the socket 9 is offset radially inwards on the upper side of the ring strip 14, a substantially radially extending second shoulder being formed.
  • a circular cylindrical, upwardly extending section is attached, which ends in an only slightly radially projecting annular bead 16, from the top of which the socket 9 tapers in the shape of a truncated cone and ends in an opening in which a writing tip 10 is attached.
  • a cap is placed on the socket 9 of the writing instrument 8 and consists of a sleeve 1, a viewing hood 2, a sealing insert 3 and a helical compression spring 4.
  • the sleeve 1 is formed on its outer side as an essentially circular cylindrical, elongated nozzle, the outer circumference of which corresponds substantially to that of the shaft of the writing instrument 8. At its end facing the collar 12, the sleeve 1 has a radial contact surface which delimits the mouth of the interior of the sleeve 1.
  • the sleeve 1 is further provided with an internal through-bore which, starting at the mouth surface 11, has a first circular-cylindrical section which is chamfered and offset towards the mouth surface 11.
  • This first circular-cylindrical section extends axially over a little more than the length of the longitudinal strips or ribs, which, starting from the radial inner circumference of the annular collar 12, run along the outer surface of the mount 9. These three (or more) ribs are dimensioned such that they come into engagement with the first bore section when the sleeve 1 is pushed on under a slight interference fit.
  • the upper or inner end of the first bore section is chamfered into a second, relatively long cylindrical Boh tion section, which extends over almost two thirds of the axial sleeve length.
  • a second, relatively long cylindrical Boh tion section Arranged near the beveled section is an inwardly projecting locking bar 13, which is jumped over and gripped behind by the ring bar 14 on the socket 9 when the sleeve 1 is placed on the writing instrument 8.
  • an inwardly projecting ring flange 7 is formed, with an essentially radially extending upper and an essentially radially extending lower surface, the end of which, however, changes into a truncated cone-shaped bevel.
  • the inward-facing ring flange 7 is shown in the figure as a continuous flange, but can also be divided into separate projections.
  • a third circular-cylindrical bore section extends from the top of the ring flange 7 to the upper end of the sleeve 1, the inside diameter of which is a little smaller than that of the second long bore section.
  • annular beads can be formed, which, however, only protrude a little radially inwards.
  • axial webs are formed on the inner circumferential surface thereof, which end at a common radial plane.
  • the viewing hood 2 is inserted into the third bore section, which is made of transparent plastic and has a tubular section closed at the top, which is inserted into the opening of the third bore section of the sleeve 1 and with its mouth on the upward-facing Surfaces of the described axial webs.
  • the sealing insert 3 viewed from the bottom upwards, has a first essentially tubular sleeve-shaped section with a downwardly directed end surface 20 and a precisely circular cylindrical inner surface 18.
  • the upper part of this tubular sleeve-shaped section is widened outwards so that the tubular sleeve-shaped section can be guided well in the second bore section of the sleeve 1.
  • the inner diameter of the bore 18 of the tubular sleeve-shaped section is matched to the outer diameter of the annular bead 16 so that it can be pressed into the bore 18 in a sealing manner and with slight resistance, then between the upper part of the socket 9 and the frustoconical part of the sealing insert 3 the writing tip 10 receiving damp room 15 is completed.
  • the top of the central web is extended by a signal slide 17, which is formed by a central pin and a flange seated on its underside, with radially extending viewing plates being arranged between the central pin and the flange. These viewing panels are offset radially from the central axis at equal angular distances from one another.
  • the sleeve 1 If the sleeve 1 is released in this position, it can no longer spring off from the socket 9 under the pressure of the spring 4, since the locking engagement between the two locking bars 13 and the ring bar 14 is so strong that it is caused by the force of the compression spring 4 can no longer be overcome.
  • the signal slide 17 appears in the viewing hood 2 and indicates that the damp room 15 has been properly sealed.
  • the radial second shoulder adjoining the top of the ring strip 14 is in a position opposite the end face 20 of the sealing insert 3, but at a distance from this end face 20, while at the same time the mouth face 11 and the shoulder 12 sit on one another. This prevents the writing tip 1 from being pressed too deeply into the sealing insert 3 or the stop 7, 21 being damaged by pushing the cap too tightly onto the writing instrument 8.
  • the rear grip between the strips 13, 14 is first released. If you now let go of the sleeve 1, it is immediately upwards by the compression spring 4 pushed, whereby the signal slide 17 disappears from the viewing hood 2. Now the stop 5, 7 comes into effect. If the sleeve 1 is pulled off even further, the pulling force is transmitted to the sealing insert 3 via this stop 5, 7 and this in turn is removed from the writing instrument 8, the annular bead 16, which is in sealing engagement with the inner surface of the bore 18, from this is pulled out. When he is released, the cap can be removed from the writing instrument and used. When the cap is removed, the lower part of the sealing insert 3 protrudes from the sleeve 1 (cf. right half of the figure).
  • a coloring of the sealing insert 3 in a color which corresponds to the color of the writing fluid used and is the same as the coloring of the signal slide 17 and the portion protruding from the sleeve 1 is provided, so that both with the cap attached and with the cap removed, at any time User can be recognized which writing instrument 8 this cap belongs to.

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Pens And Brushes (AREA)
EP86113030A 1985-10-25 1986-09-22 Instrument à écrire Expired EP0220487B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86113030T ATE39648T1 (de) 1985-10-25 1986-09-22 Schreibgeraet.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3538077 1985-10-25
DE3538077A DE3538077C1 (de) 1985-10-25 1985-10-25 Schreibgeraet mit Kappe

Publications (2)

Publication Number Publication Date
EP0220487A1 true EP0220487A1 (fr) 1987-05-06
EP0220487B1 EP0220487B1 (fr) 1989-01-04

Family

ID=6284495

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86113030A Expired EP0220487B1 (fr) 1985-10-25 1986-09-22 Instrument à écrire

Country Status (4)

Country Link
US (1) US4759651A (fr)
EP (1) EP0220487B1 (fr)
AT (1) ATE39648T1 (fr)
DE (2) DE3538077C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10130778B2 (en) 2012-08-20 2018-11-20 Sanofi-Aventis Deutschland Gmbh Cap for a drug delivery device and drug delivery device

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4917522A (en) * 1988-05-17 1990-04-17 Photofinish Cosmetics, Inc. Manually-operated fluid dispenser and associated closure cap
DE3943458A1 (de) * 1988-12-07 1990-10-31 Pelikan Ag Kappe eines schreibgeraetes
DE3920773A1 (de) * 1988-12-07 1990-06-13 Pelikan Ag Patronenfuellhalter
JPH05305794A (ja) * 1992-03-02 1993-11-19 Sakura Color Prod Corp 塗布具及びそのキャップ
US5626942A (en) * 1993-05-05 1997-05-06 Toray Industries, Inc. Polyester film and process for producing the same
US5971647A (en) * 1998-05-12 1999-10-26 Loulourgas; Demetre Writing device cap
DE29810035U1 (de) * 1998-06-04 1998-10-15 Schwan-STABILO Cosmetics GmbH & Co, 90562 Heroldsberg Metallkappe für einen Stift
US6428235B1 (en) * 1999-03-26 2002-08-06 Mitsubishi Pencil Kabushiki Kaisha Liquid applicator having ink color identification
US20090122029A1 (en) * 2007-11-13 2009-05-14 Newvit Co. Ltd. Stylus pen
EP2756778B1 (fr) * 2013-01-21 2016-07-13 Faber- Castell AG Applicateur

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1838543A (en) * 1928-05-17 1931-12-29 Aaron A Goldstein Fountain pen and the like
US2808670A (en) * 1951-08-16 1957-10-08 Katz Armin Devices having two portions one of which is a sleeve adapted to be fixed on and removed from the other portion
DE7202274U (de) * 1972-01-22 1972-04-20 Fa Js Staedtler Tuschezeichner mit aufsetzbarer Kappe
DE3441435A1 (de) * 1984-01-19 1985-08-01 Pelikan Ag, 3000 Hannover Kappe eines schreibgeraetes

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE121379C (fr) *
DE82270C (fr) *
US2453491A (en) * 1944-11-29 1948-11-09 Carl J Cardin Fountain pen
GB631195A (en) * 1946-01-25 1949-10-28 Jesus Plaza Rodriguez Improvements in and relating to the construction of safety-caps for fountain pens
DE827760C (de) * 1949-06-24 1952-01-14 F Soenneken Fa Fuellhalter mit aufgeschraubter Verschlusskappe
DE945818C (de) * 1952-03-18 1956-07-19 Hans Heinrich Huebner Aufsteckschutzkappe fuer Fuellfederhalter
GB1207268A (en) * 1967-09-06 1970-09-30 Montblanc Simplo Gmbh Improvements relating to liquid ink writing instruments
DE6911249U (de) * 1969-03-20 1969-07-24 Staedtler Fa J S Fuellschreibstift
FR2144164A5 (fr) * 1971-07-01 1973-02-09 Petit Jacques
IT975763B (it) * 1972-11-17 1974-08-10 Aurora Spa Perfezionamento ai cappucci per pen ne stilografiche
DE7314439U (de) * 1973-04-16 1973-07-12 Geha Werke Gmbh Steckkappe
FR2480679A1 (fr) * 1980-04-21 1981-10-23 Jaeger Lecoultre Manufacture Stylo
DE3401739C2 (de) * 1984-01-19 1986-12-18 Pelikan Ag, 3000 Hannover Schreibgerätkappe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1838543A (en) * 1928-05-17 1931-12-29 Aaron A Goldstein Fountain pen and the like
US2808670A (en) * 1951-08-16 1957-10-08 Katz Armin Devices having two portions one of which is a sleeve adapted to be fixed on and removed from the other portion
DE7202274U (de) * 1972-01-22 1972-04-20 Fa Js Staedtler Tuschezeichner mit aufsetzbarer Kappe
DE3441435A1 (de) * 1984-01-19 1985-08-01 Pelikan Ag, 3000 Hannover Kappe eines schreibgeraetes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10130778B2 (en) 2012-08-20 2018-11-20 Sanofi-Aventis Deutschland Gmbh Cap for a drug delivery device and drug delivery device
EP2885036B1 (fr) * 2012-08-20 2022-05-11 Sanofi-Aventis Deutschland GmbH Capuchon pour dispositif d'administration de medicaments et dispositif d'administration de medicaments

Also Published As

Publication number Publication date
ATE39648T1 (de) 1989-01-15
EP0220487B1 (fr) 1989-01-04
DE3538077C1 (de) 1986-12-18
DE3661603D1 (en) 1989-02-09
US4759651A (en) 1988-07-26

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