EP0606561A1 - Instrument pour écrire - Google Patents

Instrument pour écrire Download PDF

Info

Publication number
EP0606561A1
EP0606561A1 EP93118854A EP93118854A EP0606561A1 EP 0606561 A1 EP0606561 A1 EP 0606561A1 EP 93118854 A EP93118854 A EP 93118854A EP 93118854 A EP93118854 A EP 93118854A EP 0606561 A1 EP0606561 A1 EP 0606561A1
Authority
EP
European Patent Office
Prior art keywords
front part
holder shaft
locking means
writing
external thread
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
EP93118854A
Other languages
German (de)
English (en)
Other versions
EP0606561B1 (fr
Inventor
Jens Leidecker
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.)
Rotring International GmbH and Co KG
Original Assignee
Rotring International GmbH and Co KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6478402&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0606561(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rotring International GmbH and Co KG filed Critical Rotring International GmbH and Co KG
Publication of EP0606561A1 publication Critical patent/EP0606561A1/fr
Application granted granted Critical
Publication of EP0606561B1 publication Critical patent/EP0606561B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/005—Pen barrels

Definitions

  • the invention relates to a writing instrument according to the preamble of patent claim 1.
  • Different writing instruments such as fountain pens, ballpoint pens, etc.
  • a holder shaft and a front part screwed to it with a writing tip.
  • the front part and holder shaft can be screwed apart so that ink or ink can be refilled or ink cartridges or a writing refill can be replaced.
  • the holder shaft is provided with an internal thread at its open end and the front part with an external thread at its end facing away from the writing tip.
  • the outer surface is provided with a pattern, for example in the form of colored or relief-like designs, which extend over the outer surfaces of the holder shaft and front part. Examples of this are grooves or colored lines that run longitudinally over the surface of the writing instrument.
  • writing implements that are not exactly circular in cross-section to the longitudinal axis, but have, for example, an oval or polygonal cross-section.
  • first locking means are provided in the holder shaft, which engage in the second locking means on the front part when the screw connection reaches the closed position and releasably lock the front part in the predetermined rotational position on the holder shaft and thus secure against further rotation.
  • the first and second locking means are arranged in such a way that the front part and holder shaft engage when screwed together in the specified rotational position, which can ensure that the front part and holder shaft are in no way rotated relative to one another, but instead assume the specified closed position, so that coordinated surface configurations of both parts fit lie to each other and merge continuously.
  • the first locking means are formed by at least one projection provided on the inner surface or the internal thread of the holder shaft and the second locking means by at least one recess provided on the outer surface or the external thread of the front part.
  • each projection slides into an associated recess when the predetermined closed position is reached, and thus prevents the two parts from rotating further.
  • the first locking means can of course also be formed by recesses and the second locking means by projections.
  • the cooperating recesses or projections can be arranged outside the thread areas of the front part or the holder shaft or on the thread flanks in each case.
  • the projections can engage in axial or radial recesses with respect to the longitudinal axis of the writing instrument.
  • each projection is designed as a rib running on the inner surface in the longitudinal direction of the holder shaft, which begins from the open end of the holder shaft behind the internal thread and extends into the interior.
  • the recesses have the shape of axial incisions.
  • At least two ribs are provided on the inner surface of the holder shaft and at least two incisions in the outer edge of the cylindrical outer surface of the front part.
  • the front edge of the outer surface of the front part is axially increasing from one incision to the next in the direction of the external thread in such a way that each incision has a high lateral boundary and a low lateral boundary, which is characterized by a lower than the high lateral Limit shaped axial Increase is formed. It is thereby achieved that each projection slides into the incision with relatively little resistance when the closing position is reached, and then strikes against the high lateral limitation, which prevents the front part from being screwed in further beyond the closing position. On the other hand, the projection is held in the incision by the axial elevation, so that a certain resistance has to be overcome to unscrew the front part from the holder shaft so that the projection slides out of the incision via the axial elevation and so the locking is released.
  • the design of the holder shaft with at least two ribs running in its interior on the inner surface has the further advantage that inserts, such as ink containers, ink cartridges, etc., are kept centered in the interior of the holder shaft by the ribs.
  • FIG. 1 shows a writing instrument in the form of a fountain pen with a holder shaft 1 and a front part 2 with a writing tip 3.
  • the holder shaft 1 is hollow and has an internal thread 11 at its open end on the inner surface 12.
  • the front part 2 carries at its from the writing tip 3 opposite end an external thread 21 which is arranged on a cylindrical outer surface 22.
  • the first locking means 13, 14 are formed by two ribs running in the axial direction, which begin on the inner surface 12 behind the internal thread 11 and continue on the inner surface 12 into the interior of the holder shaft 1.
  • the second locking means 23, 24 are designed as incisions in the front edge 25, 26 of the cylindrical outer surface 22 of the front part 2.
  • the first locking means 13, 14 and the second locking means are arranged with respect to one another such that each rib slides into an associated incision and engages there when the front part 2 reaches its predetermined closed position on the holder shaft 1 when screwed together.
  • the locking ensures that the holder shaft 1 and the front part 2 have a predetermined rotational position in relation to one another in their closed position, so that patterns or surface designs on the surfaces 10 and 20 of the two parts 1, 2 are aligned with one another.
  • FIG. 2 shows the end of the front part 2 facing away from the writing tip, which has a cylindrical outer surface 22 with an external thread 21.
  • the second locking means 23, 24 have the form of axial incisions in the front edge 25, 26 of the cylindrical outer surface 22.
  • the front edge 25, 26 is shaped in such a way that, starting from an incision 23 in the thread direction of the screw connection, it initially has an axial elevation, which forms a flat lateral boundary 23 ', and then rises in the region 26 of the edge to the next incision 24, so that an increased lateral boundary 24' is formed there.
  • the edge region 25 between the two incisions 23, 24 also rises accordingly. This formation of the incisions and the front edge can be seen in Figure 3, in which the front Part of the cylindrical outer surface 22 is cut open at the lateral boundary 23 'and shown rolled.
  • the ribs 13, 14 in the holder shaft 1 approach the incisions 23, 24 in the front edge 25, 26 of the front part 2 when approaching the closed position and finally slide over the axial elevations into the incisions 23, 24.
  • the raised lateral boundaries 23 ', 24' then each form a stop, so that a further screwing of the front part 2 on the holder shaft 1 is prevented.
  • the flatter shaped side boundaries 23 '', 24 '' offer the ribs 13, 14 a relatively lower resistance when sliding out of the incisions 23, 24, which is sufficient on the one hand to hold the two parts in their closed position and on the other hand by the Users can be overcome relatively easily when unscrewing.

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)
EP93118854A 1993-01-12 1993-11-24 Instrument pour écrire Expired - Lifetime EP0606561B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4301161 1993-01-12
DE4301161A DE4301161C2 (de) 1993-01-12 1993-01-12 Schreibgerät

Publications (2)

Publication Number Publication Date
EP0606561A1 true EP0606561A1 (fr) 1994-07-20
EP0606561B1 EP0606561B1 (fr) 1997-03-12

Family

ID=6478402

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93118854A Expired - Lifetime EP0606561B1 (fr) 1993-01-12 1993-11-24 Instrument pour écrire

Country Status (2)

Country Link
EP (1) EP0606561B1 (fr)
DE (2) DE4301161C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002006060A1 (fr) * 2000-07-18 2002-01-24 Schwan-Stabilo Schwanhäusser Gmbh & Co. Crayon, unite d'ecriture et dispositif pour maintenir une unite d'ecriture

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2899842B1 (fr) * 2006-04-13 2008-07-04 Bic Soc Instrument d'ecriture comprenant une tete assemblee avec un corps et bloquee en rotation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2036272A5 (fr) * 1969-03-12 1970-12-24 Boussois Souchon Neuvesel Sa
GB2105693A (en) * 1981-07-31 1983-03-30 Ug Closures And Plastics Limit Closures and containers
DE3206998A1 (de) * 1982-02-26 1983-09-15 Pelikan Ag, 3000 Hannover Durch drehbewegung loesbare verbindung
JPS6048471U (ja) * 1983-09-13 1985-04-05 株式会社パイロット 筆記具における軸筒の連結構造
GB2260945A (en) * 1991-10-30 1993-05-05 Sakura Color Prod Corp Non-releasable screw-threaded assembly of a writing instrument

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2036272A5 (fr) * 1969-03-12 1970-12-24 Boussois Souchon Neuvesel Sa
GB2105693A (en) * 1981-07-31 1983-03-30 Ug Closures And Plastics Limit Closures and containers
DE3206998A1 (de) * 1982-02-26 1983-09-15 Pelikan Ag, 3000 Hannover Durch drehbewegung loesbare verbindung
JPS6048471U (ja) * 1983-09-13 1985-04-05 株式会社パイロット 筆記具における軸筒の連結構造
GB2260945A (en) * 1991-10-30 1993-05-05 Sakura Color Prod Corp Non-releasable screw-threaded assembly of a writing instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002006060A1 (fr) * 2000-07-18 2002-01-24 Schwan-Stabilo Schwanhäusser Gmbh & Co. Crayon, unite d'ecriture et dispositif pour maintenir une unite d'ecriture
US6905273B2 (en) 2000-07-18 2005-06-14 Gerhard Huttner Pen, writing unit and a device for holding a writing unit

Also Published As

Publication number Publication date
DE59305762D1 (de) 1997-04-17
DE4301161A1 (de) 1994-07-14
DE4301161C2 (de) 1997-01-16
EP0606561B1 (fr) 1997-03-12

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