EP0795423B1 - Stylo à bille actionné par pression - Google Patents

Stylo à bille actionné par pression Download PDF

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Publication number
EP0795423B1
EP0795423B1 EP96890046A EP96890046A EP0795423B1 EP 0795423 B1 EP0795423 B1 EP 0795423B1 EP 96890046 A EP96890046 A EP 96890046A EP 96890046 A EP96890046 A EP 96890046A EP 0795423 B1 EP0795423 B1 EP 0795423B1
Authority
EP
European Patent Office
Prior art keywords
ribs
ring
region
button
pin
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
EP96890046A
Other languages
German (de)
English (en)
Other versions
EP0795423A1 (fr
Inventor
Yves Ducrocq
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.)
BIC SA
Original Assignee
BIC SA
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
Priority to DE59608140T priority Critical patent/DE59608140D1/de
Application filed by BIC SA filed Critical BIC SA
Priority to PT96890046T priority patent/PT795423E/pt
Priority to EP96890046A priority patent/EP0795423B1/fr
Priority to ES96890046T priority patent/ES2167535T3/es
Priority to AT96890046T priority patent/ATE208291T1/de
Priority to US08/814,867 priority patent/US5997204A/en
Priority to MXPA/A/1997/001879A priority patent/MXPA97001879A/xx
Priority to BR9701270A priority patent/BR9701270A/pt
Publication of EP0795423A1 publication Critical patent/EP0795423A1/fr
Application granted granted Critical
Publication of EP0795423B1 publication Critical patent/EP0795423B1/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
    • 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
    • B43K24/084—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 with saw-like or analogous cams

Definitions

  • the invention relates to an actuating mechanism for a ballpoint pen (retractable ball pen) according to the introductory part of claim 1 and one Retractable ballpoint pen with such an actuation mechanism.
  • Such a ballpoint pen or such an actuation mechanism is from the FR 1,431,346 A, which corresponds to GB 1,039,057 A and DE 1 894 602 U, is known. He has a pin and a ring, the pin having a longitudinal axis and on one End of a push button and at a distance from it an area with a larger diameter. Furthermore, it has at least one pair of ribs, consisting of a push button side Rib and a tip-side rib, which is a distance between in the axial direction free yourself. The ends of the facing away from the larger diameter area ribs further away in this area are provided with inclined run-up surfaces. The ring has a toothing on both end faces that only an inner part of the Wall thickness of the ring detected, so that the outer portion of the wall thickness one each flat end face. The pair of ribs interacts with the front serrations.
  • a similar actuation mechanism is known from FR 1,195,456 A.
  • the area with the larger diameter is the push button, the ring has teeth on one end face like the one described above, the other end face is toothed.
  • Ballpoint pens generally include a housing in which a refill with a Ink reservoir and a writing tip is used.
  • the mine can be replaced by one Push button and an operating mechanism between a writing position in which the Nib protrudes from the housing, and a rest position in which the nib is located inside the housing, can be moved back and forth. Between the housing and the mine is arranged a spring that pushes the mine towards the rest position.
  • the Actuation mechanism is also in the housing, its push button protrudes from it, the lead presses on the side facing away from the push button Operating mechanism.
  • the housing is usually in two parts and then consists of one long tip-side part with an internal thread and a shorter, Part on the push-button side with a suitable external thread.
  • the invention relates especially on the actuation mechanism.
  • An actuating mechanism known to the inventor, but not in writing is detectable consists of a substantially circular cylindrical pin 8, the on the one hand forms the push button 21 and on the other hand with its end face 22 abuts the mine and with it cooperates.
  • the pin 8 faces the mine an axial region 9 with a larger diameter than the other axial areas 10, 11 of the pin.
  • Ribs 13, 14 which are parallel to the axis 16 of the pin 8 run.
  • There are at least two, but mostly four or more such ribs 13, 14 are provided.
  • the ribs 13, which adjoin the area 9, are sufficient radially preferably up to the radius of the axial region 9.
  • the ribs 14 preferably have a smaller radial height.
  • the ribs 13, 14 have the same extent in the circumferential direction (Thickness). There are two ribs each assigned, are referred to as a pair of ribs and point the following geometric arrangement:
  • a tip-side rib 13 is on the pin 8 over a predetermined axial length, from axial section 9 outgoing, arranged, the other, push-button rib 14, viewed in the axial direction, assigns a distance h the tip-side rib 13 so that in the axial direction between the facing ends of the two Ribs an unribbed area of the jacket surface Remains.
  • the two ribs are offset circumferentially so that a flank 23 of a rib 13 with the other flank 24 of the other rib 14 is aligned so that, Seen in the axial direction, the two ribs 13, 14 come to lie immediately next to each other.
  • flank foot If the flanks of the ribs are not in radial planes extend, this relation refers to the flank foot. Are several such associated with each other Rib pairs are provided, so they are evenly above the Scope distributed and all offset in the same direction.
  • the pin 8 cooperates with a ring 12, which is the following Features: Its inner diameter corresponds to D. the outer diameter d of the pin so that it is along the pin can slide and rotate quickly. He points axially extending grooves 25 on its inner lateral surface that allow him to move quickly over the ribs 13, 14 of the Pin 8 to be pushed in the axial direction.
  • the Number of grooves 25 is chosen so that the further below explained functionality is fulfilled, e.g. are at two pairs of ribs 13, 14 four grooves 25 are provided.
  • the Ring is with a sawtooth on each of its two faces 17, 18 provided. The sawing of both teeth shows in the same direction.
  • the axial extension, height H, the ring from tooth tip to tooth tip is larger than that axial distance h between the facing ends associated ribs 13, 14, the axial Extent from tooth base to tooth base is smaller h.
  • the ring 12 can be rib-free Area of the pin 8 are rotated when it and consequent axial movement of the pin exposed is and the tooth tips of the sawtooth 17 each other Dodge facing rib ends 13, 14, or dodge have to.
  • Two pairs of ribs are preferably provided Extension of each rib in the circumferential direction is 22.5 °, the number of saw teeth is then eight, the number of Grooves four.
  • the Ring 12 in a suitably designed part 12 ' Through opening 2 of the housing 1 with the aid of a clamping part 20 (Fig. 5) mounted so that it is in axial and radial direction is essentially immovable, but around its axis 16 ', with the ballpoint axis 16 "and the pin axis 16 coincides at least substantially, can rotate.
  • the through opening 2 faces the Clamping part 20 facing away from an area 3 with reduced Diameter on.
  • the pin 8 is inserted into the ring 12 so that the ring essentially at the location of the pin 8 located axially between the ribs 13, 14, furthermore the axial section 9 of the pin 8, the has a larger diameter than the others Pin sections, in an area 4 of the through hole 2 of the housing part 1 is located, the area 3 adjacent is.
  • the diameters are adjusted so that the pin 8 itself can move axially and circumferentially in area 4, that it does not pass through area 3 of the through opening can pass through.
  • FIG. 5 is the rear part of an inventive Pen shown in its rest position.
  • the mine 21 pushes the pin 8 backwards until its shoulder 29 (Fig. 2) on the ring 12 and so every further movement prevented in this direction.
  • the ribs 13 of the pin 8 are in the rest position shown in the grooves of the ring 12 inserted so that only the outer, non-grooved area the wall thickness of the ring 12 can be seen in Fig. 5.
  • the face 22 would be in the writing position of the ballpoint pen the pin 8 near the section 3 and the ribs 14 of the Pin would be inserted into the grooves 25 of the ring 12, the push button 21 only protruded a little from the Housing part 1.
  • the spring pushes it backwards by means of the lead, the toothing on the button side releasing the ribs 14 on the button side and the tip-side ribs 13 again coming into the area of the tip-side toothing. Due to the rotation of the ring, the tip-side ribs 13 are now one tooth further than in the initial state and thus reach the area of a groove 25 of the ring, so that the pin 8 can be pushed further under the action of the spring than it is in the initial position of the Case was: The mine moves to its retracted position, as shown in FIG. 5.
  • the game repeats itself exactly as described above, with the first Difference that the axial movement of the pin until the Teeth on the button side with the ribs 14 on the button side is longer than before and with the second difference that the tip-side ribs 13 to the in the end position Grooves 25 are offset so that the pin 8 and the lead are held in their forward position are reached, whereby the first-mentioned, ready-to-write, starting position is reached again becomes.
  • the aim of the invention is to avoid these drawbacks and to achieve one Actuation mechanism of the type defined in the introduction to create the trouble-free is to be assembled.
  • the ribs seen in the axial direction, are arranged on the push button side of the area with a larger diameter that the Ribs of each pair of ribs are offset from one another in the circumferential direction so that one Flank of one rib is flush with the other flank of the other rib that the tip-side ends of the ribs on the button side and preferably also the Pushbutton-side ends of the tip-side ribs symmetrically V-shaped are that the ring has axially extending grooves that with the pair of ribs interact and that both teeth are saw teeth that are in the same Show direction.
  • the ring consists of suitable engineering plastic ("engineering plastic”, e.g. Delrin 500 [a product of E.I.du Pont de Nemours and Co., Inc., USA], Celcon [a Product of Celanese Corporation, USA], polyamide, nylon 6.6 [a product of Akzo n.v., Netherlands]).
  • engineing plastic e.g. Delrin 500 [a product of E.I.du Pont de Nemours and Co., Inc., USA]
  • Celcon a Product of Celanese Corporation, USA
  • polyamide nylon 6.6 [a product of Akzo n.v., Netherlands]
  • the saw teeth 17, 18 only via an inner To execute part of the wall thickness of the ring 12 and the outer part of the Wall thickness on both end faces of the ring with a flat end face 19, perpendicular to To provide axis 16 '(Fig. 3) of the ring 12, preferably in the plane of the tooth tips is or this is very slightly, for example 0.05 mm, protrudes.
  • this design has the completely unpredictable advantage that Ballpoint pen housing in the area of the actuation mechanism in terms of production technology To be able to design cheaper than before: With many types of ballpoint pens that Use the actuating mechanism described, is in the area of this Mechanism a division of the housing, the two parts by means of a thread 6 are interconnected. The actuation mechanism sits in the Housing part on the push-button side 1, while the tip-side housing part the lead 21 and picks up the spring.
  • Region 4b is followed by region 4a, which as in the prior art, an inner diameter has a guide for section 9 of the pin 8 forms.
  • the inner surfaces 30 of the supports 7 therefore fall preferably with the continuation of the lateral surface of the Section 4a together.
  • Form the sections 4a and 4b together section 4 the same management and Holding functions as known in the prior art, fulfilled.
  • the invention is not based on the described embodiment limited, but can be modified in various ways become. So it is possible instead of two each other opposite pairs of ribs three or four such To provide pairs, however, is because of the easier to endure elastic deformation of the ring at only two Rib pairs the preferred embodiment described. Should three or four pairs be provided, then so the number of grooves and teeth of the ring is corresponding to increase.
  • the bevel on the push-button side ends of the push-button side Ribs is in the illustrated embodiment 13.5 °, with respect to the pin axis 16, but can other angles can also be used, only those at the Assembly of the ring occurring forces are taken into account and bearable for the ring.
  • the mutually facing ends 31, 32 of the ribs 13, 14 are V-shaped according to a development of the invention sharpened to better interact with the tooth bases the respective sawtooth 17, 18 of the ring 12 to reach. Because the sawtooth of the ring, if its End faces twisted by 180 ° during assembly in the other direction is symmetrical Training of these rib ends 13, 14 necessary to in both layers have the same conditions for the inclusion of the Creating writing pressure. This eliminates the need feed the rings 12 during assembly.

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Pens And Brushes (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Claims (5)

  1. Mécanisme de manoeuvre d'un stylo à bille actionné par pression, comprenant une tige (8) et une bague (12) agissant avec celle-ci,
    dans lequel la tige (8) a un axe longitudinal (16") et est munie à une extrémité d'un bouton-poussoir (21) et, à une distance donnée de celui-ci, d'une zone (9) de plus grand diamètre et d'au moins une paire de nervures, formée par une nervure (14) située du côté du bouton-poussoir et une nervure (13) du côté de la pointe, qui sont écartées l'une de l'autre dans le sens axial d'une distance (h), les extrémités, orientées vers la zone (9) de plus grand diamètre, des nervures (14) éloignées de cette zone (9) étant munies de surfaces inclinées (15),
    dans lequel la bague (12) a un axe longitudinal (16') et comporte une denture (17, 18) sur chaque face frontale, qui est réalisée seulement sur une zone partielle intérieure de l'épaisseur de paroi de la bague, de telle sorte que la zone partielle extérieure de l'épaisseur de paroi forme dans chaque cas une surface frontale plane (19), et la paire de nervures (13, 14) agit conjointement avec les dentures frontales (17, 18),
       caractérisé
    en ce que les nervures (13, 14), considérées en direction axiale, sont disposées du côté de la zone (9) à plus grand diamètre, orienté vers le bouton-poussoir,
    en ce que les nervures de chaque paire de nervures (13, 14) sont décalées les unes par rapport aux autres dans le sens périphérique, de telle sorte que l'un des flancs (23) de l'une des nervures est aligné avec l'autre flanc (24) de l'autre nervure,
    en ce que les extrémités (32), du côté de la pointe, des nervures (14) situées du côté du bouton-poussoir et, de préférence aussi, les extrémités (31), du côté du bouton-poussoir, des nervures (13) situées du côté de la pointe sont conçues symétriquement en forme de V,
    en ce que la bague (12) comporte des rainures (25) orientées en direction axiale, qui agissent conjointement avec la paire de nervures (13, 14) et
    en ce que les deux dentures sont des dentures en dents de scie (17, 18) qui sont orientées dans la même direction.
  2. Mécanisme de manoeuvre selon la revendication 1, caractérisé en ce que les flancs des extrémités (32) en forme de V forment sensiblement le même angle, par rapport à l'axe (16"), que les flancs inclinés des dents de scie (17, 18) de la bague (12) par rapport à l'axe (16").
  3. Mécanisme de manoeuvre selon la revendication 1 ou 2, caractérisé en ce que les dents de scie (17, 18) sont symétriques par rapport à un plan perpendiculaire à l'axe longitudinal (16') de la bague (12).
  4. Stylo à bille actionné par pression comprenant un mécanisme de manoeuvre selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'il comporte un boítier (1) muni d'un évidement de passage (2), qui comporte au moins deux zones avec des diamètres différents, une zone (4a) de plus petit diamètre et une zone de plus grand diamètre, et en ce que, dans une partie (4b) de la zone de plus grand diamètre, il est prévu au moins deux, de préférence quatre ou six, supports (7) orientés dans la direction axiale.
  5. Stylo à bille actionné par pression selon la revendication 4, caractérisé en ce que les supports (7) comportent des faces frontales (26) orientées vers le bouton-poussoir, qui forment une assise pour la bague (12) et en ce que les faces intérieures (30) des supports (7) forment un guidage pour la zone (9) de plus grand diamètre de la tige (8) et coïncident de préférence avec le prolongement de la paroi latérale de la partie (4a) contiguë du boítier (1).
EP96890046A 1996-03-12 1996-03-12 Stylo à bille actionné par pression Expired - Lifetime EP0795423B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
PT96890046T PT795423E (pt) 1996-03-12 1996-03-12 Esferografica rectractil
EP96890046A EP0795423B1 (fr) 1996-03-12 1996-03-12 Stylo à bille actionné par pression
ES96890046T ES2167535T3 (es) 1996-03-12 1996-03-12 Boligrafo retractil.
AT96890046T ATE208291T1 (de) 1996-03-12 1996-03-12 Druckkugelschreiber
DE59608140T DE59608140D1 (de) 1996-03-12 1996-03-12 Druckkugelschreiber
US08/814,867 US5997204A (en) 1996-03-12 1997-03-11 Retractable ball-point pen
BR9701270A BR9701270A (pt) 1996-03-12 1997-03-12 Caneta de ponta esférica retrátil
MXPA/A/1997/001879A MXPA97001879A (en) 1996-03-12 1997-03-12 Retracta ball point feather

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96890046A EP0795423B1 (fr) 1996-03-12 1996-03-12 Stylo à bille actionné par pression

Publications (2)

Publication Number Publication Date
EP0795423A1 EP0795423A1 (fr) 1997-09-17
EP0795423B1 true EP0795423B1 (fr) 2001-11-07

Family

ID=8226194

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96890046A Expired - Lifetime EP0795423B1 (fr) 1996-03-12 1996-03-12 Stylo à bille actionné par pression

Country Status (7)

Country Link
US (1) US5997204A (fr)
EP (1) EP0795423B1 (fr)
AT (1) ATE208291T1 (fr)
BR (1) BR9701270A (fr)
DE (1) DE59608140D1 (fr)
ES (1) ES2167535T3 (fr)
PT (1) PT795423E (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3828732B2 (ja) * 2000-09-05 2006-10-04 株式会社壽 ノック式液体容器
US6644372B2 (en) * 2001-03-22 2003-11-11 Ren Judkins Cordless blind
US8739853B2 (en) 2001-03-22 2014-06-03 Ren Judkins Cordless blind and operator device
NL1022597C2 (nl) * 2003-02-05 2004-08-06 Photobiochem N V Toepassing van een fotosensitizerverbinding voor de bereiding van een farmaceutisch preparaat, werkwijze voor het bereiden van een farmaceutisch preparaat en een werkwijze voor het behandelen van een zoogdier.
US7360812B2 (en) * 2004-03-27 2008-04-22 Anton Vasile Ionescu Automatic device, equipment and methods for handling objects
EP1940719A4 (fr) * 2005-09-26 2008-10-29 Anton Vasile Ionescu Procédés et appareil de manipulation automatique d objet
US7950862B2 (en) 2006-05-26 2011-05-31 Youngtack Shim Multicolor writing tools and methods
EP2038889B1 (fr) * 2006-07-03 2014-03-12 Microservice Tecnologia Digital da Amazonia Ltda Dispositif de préhension d'un disque compact
EP4340742A1 (fr) 2021-05-17 2024-03-27 Applied Medical Technology, Inc. Dispositif de préhension de suture assisté par aimant comprenant une aiguille d'extraction de suture, un corps extracteur, un fil de préhension, un bras de préhension et un aimant de préhension

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1894602U (de) * 1964-04-04 1964-06-11 Georg Linz Schaltmechanik fuer schreibgeraete, insbesondere kugelschreiber.
GB1039057A (en) * 1964-04-04 1966-08-17 Georg Linz Writing implement with retractable point

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE291815C (fr) *
DE312462C (fr) *
US1332378A (en) * 1919-05-09 1920-03-02 Accessories Mfg Company Electric switch
US3064624A (en) * 1955-12-30 1962-11-20 Radiant Pen Corp Writing device
DE1108589B (de) * 1956-07-19 1961-06-08 Hans Christmann Druckmechanik fuer Kugelschreiber
FR1195456A (fr) * 1958-04-28 1959-11-17 Poussoir perfectionné pour instrument à écrire rétractable
DE1248508B (de) * 1962-08-16 1967-08-24 Helmut Bross Dipl Ing Schaltmechanik fuer Kugelschreiber
FR1431346A (fr) * 1965-04-01 1966-03-11 Stylographe, plus spécialement à bille
GB1169489A (en) * 1967-02-04 1969-11-05 Helmut Bross Control Mechanism, in Particular for Writing Implements.
US3792931A (en) * 1972-02-11 1974-02-19 K C Pen Co Inc Writing instrument
US4991988A (en) * 1989-04-18 1991-02-12 Bic Corporation Component writing instrument having retractable cartridge

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1894602U (de) * 1964-04-04 1964-06-11 Georg Linz Schaltmechanik fuer schreibgeraete, insbesondere kugelschreiber.
GB1039057A (en) * 1964-04-04 1966-08-17 Georg Linz Writing implement with retractable point

Also Published As

Publication number Publication date
MX9701879A (es) 1998-07-31
US5997204A (en) 1999-12-07
PT795423E (pt) 2002-04-29
BR9701270A (pt) 1998-11-10
ATE208291T1 (de) 2001-11-15
ES2167535T3 (es) 2002-05-16
DE59608140D1 (de) 2001-12-13
EP0795423A1 (fr) 1997-09-17

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