EP1113936A1 - Dispositif d'ecriture comportant plusieurs mines - Google Patents

Dispositif d'ecriture comportant plusieurs mines

Info

Publication number
EP1113936A1
EP1113936A1 EP00942325A EP00942325A EP1113936A1 EP 1113936 A1 EP1113936 A1 EP 1113936A1 EP 00942325 A EP00942325 A EP 00942325A EP 00942325 A EP00942325 A EP 00942325A EP 1113936 A1 EP1113936 A1 EP 1113936A1
Authority
EP
European Patent Office
Prior art keywords
writing
pusher
shaft
writing instrument
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Withdrawn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
EP00942325A
Other languages
German (de)
English (en)
Inventor
Enrico Quercioli
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.)
Panoco Corp NV
Original Assignee
Panoco Corp NV
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 Panoco Corp NV filed Critical Panoco Corp NV
Publication of EP1113936A1 publication Critical patent/EP1113936A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
    • B43K24/16—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by push-buttons
    • B43K24/163—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by push-buttons with one push-button for each writing unit

Definitions

  • the present invention relates to a writing instrument with several refills, for example a multicolor ballpoint pen.
  • the invention has for its object to provide a simple " mechanism with which the mines can be operated. This object is achieved by the combination of features of the claims.
  • FIG. 2 shows an enlarged detail from the illustration according to FIG. 1.
  • the ballpoint pen has a shaft 3 screwed together from two parts 1, 2.
  • the lower shaft part 2 has at the tip an outlet opening 4 for the tip 5 of one of several refills 6.
  • the upper shaft part 1 has several, openly distributed over the circumference, open at the top Longitudinal slots 7.
  • a sleeve 9 is placed on the shaft part 1, for example glued or welded on.
  • a guide part 15 is inserted into the shaft part 1, for example glued or pressed in.
  • the guide part 15 has a stepped through bore 16, a sleeve-shaped shaft 17 with an upper conical end face 18 and a plurality of openings 19 distributed over the circumference.
  • a shaft 20 of a pusher 21 assigned to the relevant lead 6 extends through each opening 19 on the shaft 20 pushed up to a stop 22.
  • the handle 21 has at the upper end an actuating button 23 protruding through the slot 7 in question.
  • the wedge surface 26 has an acute angle to the axis 30 than the wedge surface 25.
  • the angle of the surface 26 to the axis 30 corresponds to half the acute angle of the end face 18.
  • a spring 28 is inserted between the guide part 15 and the head 23.
  • a central pusher 35 is snapped into the bore 16.
  • the pusher 35 has a double-stepped, cylindrical, tubular shaft 36, 37, 38 and a flange 3 ' 9 which is guided in the sleeve 9.
  • a cambered cover 40 is inserted into the flange 39.
  • the transition between the shaft parts 36, 37 is a conical locking surface 41, in which the wedge surface 25 of the actuated lever 21 engages.
  • the shaft part 37 is guided in the shaft 17.
  • the shaft part 38 is slotted and has two projections 42 which are engaged below the lower end face of the guide part 15, so that the pusher 35 is secured in the basic position in the position shown in FIGS. 1 and 2 and against falling out.
  • a sleeve 43 is molded onto the flange 39 and bears against the upper end faces of the non-actuated operating buttons 23. The pusher 35 is preloaded into this basic position by the springs 28 of these buttons 23.
  • the actuating button 23 of the desired color is pushed down until its latching element 24 snaps into the latching surface 41. If the color is to be changed, the writing instrument is rotated in the hand into the corresponding position for actuating the associated actuating button 23 and briefly the Press button 35. The push button 23 of the color already activated is thus pushed down. Whose wedge surface 26 runs on the end face 18, which pushes it outwards out of engagement of the locking element 24 with the locking surface 41. The spring 28 in question therefore pushes its lever 21 back so that the newly selected lever 21 can be actuated.
  • the semi-automatic actuation mechanism shown is simple. To withdraw an activated refill, only a single, central pusher 35 has to be actuated, which can thus be operated with the thumb in any rotational position of the writing instrument.
  • the recessed, previously actuated operating button 23 strikes the sleeve 43, which is still cushioned by the thumb. Therefore the wear is minimal.

Landscapes

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

Abstract

Selon la présente invention, les mines (6) sont enfilées sur la tige (20) d'un bouton d'actionnement (23) qui dépasse par une fente (7) se trouvant dans le corps (3) du dispositif d'écriture. Le bouton d'actionnement (23) présente un élément d'arrêt (24) qui, en position d'écriture, s'engage dans une surface d'arrêt (41). Le changement de couleur s'effectue d'abord grâce à l'actionnement du poussoir central (35), l'élément d'arrêt (24) glissant sur une surface conique (18) et étant repoussé vers l'extérieur de manière à se désengager de la surface d'arrêt (41). Le dispositif d'écriture présente un mécanisme simple d'actionnement des mines et des coûts de fabrication réduits.
EP00942325A 1999-07-14 2000-07-13 Dispositif d'ecriture comportant plusieurs mines Withdrawn EP1113936A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH129699 1999-07-14
CH129699 1999-07-14
PCT/IB2000/000977 WO2001003948A1 (fr) 1999-07-14 2000-07-13 Dispositif d'ecriture comportant plusieurs mines

Publications (1)

Publication Number Publication Date
EP1113936A1 true EP1113936A1 (fr) 2001-07-11

Family

ID=4207116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00942325A Withdrawn EP1113936A1 (fr) 1999-07-14 2000-07-13 Dispositif d'ecriture comportant plusieurs mines

Country Status (3)

Country Link
EP (1) EP1113936A1 (fr)
AU (1) AU5701600A (fr)
WO (1) WO2001003948A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3939196B2 (ja) * 2002-05-17 2007-07-04 株式会社トンボ鉛筆 筆記具

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB705446A (en) * 1951-11-30 1954-03-10 Birome Sa Com E Ind Improvements in writing instruments
FR1229397A (fr) * 1959-02-24 1960-09-06 Stylographe double avec pointes à bille à usage alternatif
CH504978A (fr) * 1969-03-25 1971-03-31 Cado Ets Stylographe à billes comportant plusieurs cartouches de couleurs différentes
AU505312B1 (en) * 1977-08-05 1979-11-15 Zebra Co. Ltd. Writing instrument

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0103948A1 *

Also Published As

Publication number Publication date
AU5701600A (en) 2001-01-30
WO2001003948A1 (fr) 2001-01-18

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