EP0132460A2 - Instrument à écrire à encre liquide - Google Patents

Instrument à écrire à encre liquide Download PDF

Info

Publication number
EP0132460A2
EP0132460A2 EP83111715A EP83111715A EP0132460A2 EP 0132460 A2 EP0132460 A2 EP 0132460A2 EP 83111715 A EP83111715 A EP 83111715A EP 83111715 A EP83111715 A EP 83111715A EP 0132460 A2 EP0132460 A2 EP 0132460A2
Authority
EP
European Patent Office
Prior art keywords
writing
guide rod
socket
tube
implement according
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.)
Withdrawn
Application number
EP83111715A
Other languages
German (de)
English (en)
Other versions
EP0132460A3 (fr
Inventor
Wolfgang Kupferschmidt
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
Publication of EP0132460A2 publication Critical patent/EP0132460A2/fr
Publication of EP0132460A3 publication Critical patent/EP0132460A3/fr
Withdrawn legal-status Critical Current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
    • B43K7/00—Ball-point pens
    • B43K7/10—Arrangements for feeding ink to the ball points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/02—Ink reservoirs
    • B43K5/10—Ink reservoirs with reserve ink chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/18—Arrangements for feeding the ink to the nibs
    • B43K5/1818—Mechanical feeding means, e.g. valves; Pumps
    • B43K5/1827—Valves

Definitions

  • the invention relates to a writing instrument consisting of a writing tip and a shaft with a chamber containing a liquid writing medium, a tube protruding into the chamber through which the writing medium reaches the writing tip, and a reserve space surrounding the tube, which is separated from the outside by a a movable ink guide rod opening valve passage in the wall of the tube can be emptied.
  • the tube is fastened to the end of the ink guide rod, which is mounted in a longitudinally movable manner in an ink conductor and, with its end facing away from the tube, projects outward from the ink conductor below the pen.
  • the tube penetrates a closure piece of an ink cartridge forming the chamber, the closure piece keeping the valve passage closed in the position of the ink guide rod described.
  • the valve passage is opened by pushing the ink guide rod into the writing instrument, for example with the aid of the closure cap, so that the ink supply retained there can flow off to the nib.
  • Another known fountain pen (DE-AS 1 222 403) also has a reserve space which is formed by a tube with a valve passage projecting into an ink cartridge. To open the valve passage in this fountain pen, the ink cartridge can be turned so far that a recess in the sealing piece of the ink cartridge penetrated by the tube clears the valve passage.
  • the disadvantage here is that the fountain pen must first be unscrewed before the ink cartridge can be rotated.
  • the invention has for its object to provide a writing instrument of the type mentioned that can be switched from a normal writing position to a reserve position in a simple manner and without additional aids from outside and in which the respective switching position is clearly recognizable.
  • the object is achieved in that the writing tip and the ink guide rod are non-rotatably connected to one another and rotatable relative to the shaft and the tube and that the ink guide rod has an end designed as a closure element which closes the valve passage in a first position and after the ink guide rod has been rotated opens the valve passage in a second position.
  • the writing instrument according to the invention has the advantage that the switch from the normal writing position to the reserve position is carried out by simply rotating the writing tip relative to the barrel.
  • the rotary angle can be about 90 ° to 180 0th This relatively large switching path enables the respective switching position to be clearly identified, which results in errors settings are avoided.
  • the handling of the writing instrument according to the invention is so simple that it does not require any special explanations.
  • the stylus is gripped on its normal gripping surfaces for turning. There is therefore no risk of contamination.
  • limiting stops are festgelgt by the rotational movement of the writing tip. The writing tip can then be moved to switch from one stop position to the other without paying particular attention to a marking on the writing instrument.
  • the tube is formed at the end of a conductor inserted into the shaft with compensation chambers for the writing medium.
  • the conductor has, according to the invention, a cylindrical socket on which the writing tip is rotatably mounted with a holder. In this way, a very simple construction of the writing instrument according to the invention is achieved.
  • the socket has the head to form the stops facing end face a recess into which a stop cam of the conductor engages, the opening width of the recess in the circumferential direction being greater by the required switching path than the width of the cam in this direction.
  • the assembly of the writing instrument according to the invention is further facilitated in that the conductor has a longitudinal bore into which the guide rod can be inserted from the socket.
  • the guide rod can be installed together with the socket as a structural unit.
  • the guide rod preferably has a flattening which extends in the longitudinal direction and in which a longitudinal capillary groove runs. The flattening forms an air duct for the supply of replacement air and at the same time the valve passage is opened when the guide rod is rotated accordingly.
  • the capillary longitudinal groove serves to transport the writing medium to the writing tip.
  • the writing instrument according to the invention is preferably designed as a disposable ink ballpoint pen, which can be thrown away after the ink has been used up.
  • the reserve circuit should indicate to the user that he has to get a new writing instrument before the ink supply is completely used up. It is particularly advantageous in this application that the ink writing device according to the invention is suitable for manufacture and assembly by machines.
  • the ink ballpoint pen shown consists of a shaft 1 which is formed by a cylindrical tube which is closed at one end by a base 2.
  • the chamber 3 inside the shaft 1 is filled with ink.
  • an ink conductor 4 is inserted, which has compensation chambers 5 on its outer circumference, a connector 6 at its outer end and a tube 7 at its inner end, which passes from an annular reserve space 8 merging into the chamber 3 is surrounded.
  • the ink conductor 4 has a central longitudinal bore 9, the diameter of which decreases slightly from the connecting piece 6 to the tube 7 in several stages.
  • the compensation chambers 5 are connected to the longitudinal bore 9 via slots 10, 11.
  • ink guide rod 12 which protrudes at one end 13 from the ink guide 4 and there has a ball tip 14 which is held in a conical socket 15.
  • the ink guide rod 12, the ball tip 14 and the socket 15 are rotatably connected to each other.
  • the socket 15 has a cylindrical inner bore on the cylindrical outer surface of the nozzle 6 stored and secured against displacement in the axial direction by an annular bead 16 in the outer surface of the nozzle 6, which engages in an annular groove 17 in the inner bore of the socket 15.
  • the ink guide rod 12 has, in adaptation to the longitudinal bore 9, cylindrical sections which reduce in diameter towards the tube 7 and which are provided on one side with longitudinally extending, mutually flattened portions 18.
  • the flats 18 form a channel through which supplementary air supplied through the slot 11 when ink is consumed enters the chamber 3.
  • a Kapillarlteilsnut 19 is cut, by which the ink for ball point 14 Gelei - is tet.
  • the end 20 of the ink guide rod 12 lies with its cylindrical outer surface 21 in a liquid-tight manner against the inner wall 22 of the tube 7 and closes a valve passage 28 in the wall of the tube 7 in the normal writing position shown in FIG. 1.
  • the ink guide rod 12 can also be rotated in the longitudinal bore 9.
  • the socket 15 has a recess 23 in its end face lying against the ink conductor 4, into which a cam 24 formed on the ink conductor engages. This enables the socket 15 to be rotated to a limited extent by the angle of rotation 25 which is approximately 180 °.
  • the mount rests on the cam 24 with its surface 26 delimiting the recess. 5 is rotated counterclockwise as seen in Fig. 5 until it rests with its surface 23 delimiting the recess 23 on the cam 24, the ink guide rod reaches the position shown in Figures 2 and 4, in which the flat 18 Valve passage 28 turned towards.
  • the valve passage 28 is now open and the ink retained in the reserve space 8 can flow through the longitudinal bore and the longitudinal capillary groove to the ball tip.
  • the normal writing position and the reserve position can be clearly perceived by the position of the cam 24 in the recess 23 for the user of the ink ballpoint pen.
  • Each position can also be identified by a letter symbol, which is attached to the end of the recess on the outer surface of the socket 15.
  • the part of the lateral surface of the connecting piece 6 which is visible through the cutout 23 can be colored differently, for example the part of the surface which is visible in the normal writing position and the part of the surface which is visible in the reserve position red. This clearly reminds a user of the ink ballpoint pen after switching to the reserve position that the ink supply will soon be exhausted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pens And Brushes (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
EP83111715A 1983-07-26 1983-11-23 Instrument à écrire à encre liquide Withdrawn EP0132460A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3326828 1983-07-26
DE3326828A DE3326828C1 (de) 1983-07-26 1983-07-26 Schreibgeraet fuer ein fluessiges Schreibmittel

Publications (2)

Publication Number Publication Date
EP0132460A2 true EP0132460A2 (fr) 1985-02-13
EP0132460A3 EP0132460A3 (fr) 1986-10-01

Family

ID=6204894

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83111715A Withdrawn EP0132460A3 (fr) 1983-07-26 1983-11-23 Instrument à écrire à encre liquide

Country Status (4)

Country Link
EP (1) EP0132460A3 (fr)
DE (1) DE3326828C1 (fr)
FI (1) FI842811L (fr)
NO (1) NO155092C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0913269A1 (fr) * 1997-11-03 1999-05-06 rotring international GmbH & Co KG Instrument d'écriture

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3619101A1 (de) * 1986-06-06 1987-12-10 Rotring Werke Riepe Kg Schreibgeraet

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB194751A (en) * 1921-11-16 1923-03-16 Ryosuke Namiki Improvements in fountain pens
US1809992A (en) * 1925-03-30 1931-06-16 Oscar J Sundstrand Fountain pen
DE958812C (de) * 1949-10-30 1957-02-21 Geha Werke Gmbh Fuellfederhalter mit Reservetintenraum
DE1222403B (de) * 1956-02-07 1966-08-04 Helmut Bross Dipl Ing Schreibgeraet, insbesondere Fuellfederhalter, mit in den Schaft einsetzbarer, das Schreibmittel, z. B. Tinte, enthaltender Wechselpatrone
DE1215025B (de) * 1960-05-06 1966-04-21 Geha Werke Gmbh Fuellfederhalter mit einer oder mehreren in den Fuellfederhalterschaft auswechselbar eingesetzten Tintenpatronen
DE1411372A1 (de) * 1960-05-24 1969-05-08 Faber Castell A W Fuellfederhalter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0913269A1 (fr) * 1997-11-03 1999-05-06 rotring international GmbH & Co KG Instrument d'écriture

Also Published As

Publication number Publication date
DE3326828C1 (de) 1985-04-25
FI842811A7 (fi) 1985-01-27
FI842811A0 (fi) 1984-07-12
EP0132460A3 (fr) 1986-10-01
FI842811L (fi) 1985-01-27
NO155092C (no) 1987-02-11
NO842277L (no) 1985-01-28
NO155092B (no) 1986-11-03

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Effective date: 19871221

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18W Application withdrawn

Withdrawal date: 19880418

RIN1 Information on inventor provided before grant (corrected)

Inventor name: KUPFERSCHMIDT, WOLFGANG