EP0496944B1 - Instrument pour écrire - Google Patents

Instrument pour écrire Download PDF

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Publication number
EP0496944B1
EP0496944B1 EP91116521A EP91116521A EP0496944B1 EP 0496944 B1 EP0496944 B1 EP 0496944B1 EP 91116521 A EP91116521 A EP 91116521A EP 91116521 A EP91116521 A EP 91116521A EP 0496944 B1 EP0496944 B1 EP 0496944B1
Authority
EP
European Patent Office
Prior art keywords
writing
writing instrument
actuating element
blocking
instrument 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.)
Expired - Lifetime
Application number
EP91116521A
Other languages
German (de)
English (en)
Other versions
EP0496944A1 (fr
Inventor
Thomas Rohringer
Manfred Martens
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.)
Montblanc Simplo GmbH
Original Assignee
Montblanc Simplo 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 Montblanc Simplo GmbH filed Critical Montblanc Simplo GmbH
Publication of EP0496944A1 publication Critical patent/EP0496944A1/fr
Application granted granted Critical
Publication of EP0496944B1 publication Critical patent/EP0496944B1/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
    • B43K27/00—Multiple-point writing implements, e.g. multicolour; Combinations of writing implements
    • B43K27/003—Multiple-point writing implements, e.g. multicolour; Combinations of writing implements only one holder being used either for the pencil or the pen
    • 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
    • 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
    • B43K24/06—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by turning means

Definitions

  • the invention relates to a writing instrument with a lead arrangement provided in a barrel part, which forms a writing tip protruding from the front end of the barrel part in the writing position, and with a rotating mechanism for moving the writing tip into the writing position, the rotating mechanism having a first support surface an actuating element in engagement with the rear end of a lead arrangement in the form of a ballpoint pen refill, which carries a supporting projection on the outside, and has an actuating element which is rotatable relative to the actuating element and has a guide curve which is in engagement with the rear end of the supporting projection and has a support section for supporting the actuating element in its front position and a feed section adjoining the support section in the circumferential direction of the actuating element, which in a rotational end position of the actuating element displaces the actuating element ementes permitted to the rear and when the control element is rotated out of it End of rotation position the actuating element is shifted forward by engagement with its support projection.
  • Such a writing instrument in the form of a ballpoint pen is known, and in it the support projection is displaced relative to the latter by rotating a cap part seated on the rear end of the shaft part and the resulting rotation of the actuating element such that it moves along the feed section of the actuating element, whereby the ballpoint pen refill is moved forward in the shaft part.
  • This displacement movement of the support projection continues until the support projection reaches the region of the support section of the guide curve in which it is secured against displacement in the circumferential direction due to the somewhat recessed design and thereby supports the ballpoint pen refill in the writing position in which it is in front End, which forms the writing tip, protrudes over the front end of the barrel part.
  • the cap part In order to move the ballpoint pen refill back into the retracted position, the cap part is correspondingly rotated with respect to the shaft part, as a result of which the support projection comes out of the support section of the guide curve and comes back into engagement with the feed section thereof, so that the ballpoint pen refill together with the spring pressure which usually acts the actuator is moved backwards.
  • a similar structure is also known for a writing instrument in the form of a mechanical pencil, in which a rotary mechanism is used which works on the same principle as the mechanism described above, but in which the guide curve has no support section.
  • the actuating element has a receiving opening for the actuating pin of the mechanical pencil mechanism, so that this actuating pin is pressed forward into the housing of the mechanical pencil mechanism by a corresponding displacement of the supporting projection along the feed section of the guide curve, and thereby a limited one Feed for a lead is effected, the front portion protruding beyond the housing forms the writing tip. Since, as already mentioned, a support section is missing in the guide curve in this rotary mechanism, the actuating element is moved back into its original rotary end position when released due to the spring force acting on the actuating pin of the mechanical pencil mechanism.
  • the rotary mechanism used for the known writing instrument in the form of a ballpoint pen is thus similar to that of the known writing instrument in the form of a mechanical pencil, but the individual components are designed somewhat differently in order to adapt to the different functions.
  • a writing instrument of the type mentioned at the outset is designed according to the invention in such a way that the actuating element is in the form of a socket which is open at least towards the front, in the socket opening of which extends beyond the first supporting surface and projects towards the rear from the housing of a mechanical pencil mechanism, for mine release axially movable actuating pin can be inserted and supported on the actuating element, and that on the actuating element a locking part which can be displaced from the actuating pin against spring pressure from a release position into a blocking position is provided, which in the blocking position rotates the adjusting element to the area of engagement of the support projection with the Feed section of the guide curve limited.
  • the basic structure of a rotary mechanism for a writing instrument for receiving a ballpoint pen refill and for receiving a mechanical pencil mechanism is retained Modified in such a way that the actuating element has a socket opening for receiving the actuating pin of the mechanical pencil mechanism and that in addition there is a locking part which can be displaced by this actuating pin when inserted into the socket opening and which is ineffective when the ballpoint pen refill is inserted, but prevents it from being displaced into its locked position the adjusting element can be rotated with respect to the actuating element to such an extent that the support projection comes into engagement with the support section of the guide curve.
  • the writing instrument according to the invention it is thus possible to provide the same components and the same assembly processes both for the use of the writing instrument as a ballpoint pen and for the use of the writing instrument as a mechanical pencil.
  • the user can be able to selectively insert a ballpoint pen refill or a mechanical pencil mechanism into his writing instrument designed according to the invention.
  • the locking part can be in the locked position in the peripheral region between the support projection and an abutment surface provided on the adjusting element and in this way limit the displacement of the support projection in the circumferential direction, so that the support projection cannot be displaced beyond the feed section in the direction of the support section of the guide curve.
  • the locking part tapers in a wedge shape in the direction of movement into the locking position, it displaces the supporting projection the support section of the guide curve if the support projection is still in its position for the supporting feed of a ballpoint pen refill when the actuating pin of a mechanical pencil mechanism is inserted into the socket opening of the actuating element. Under no circumstances does the user have to "switch" from ballpoint pen mode to pencil mode.
  • the stop surface in the release position of the locking part can lie axially behind the locking part with its front end, i.e. the locking part is displaced axially forward so far in the release position by spring force that it is no longer in the area of the stop surface, so the stop surface can be moved past the locking part when the actuating element rotates.
  • the locking part can be formed on a guide element which sits in the bush opening and has one end against a helical spring which is supported with its other end on a surface located further back in the bush opening.
  • the connecting web between the locking part and the guide element located in the socket opening can extend through an axial slot in the wall of the actuating element.
  • the locking part can be located radially further inwards in the release position than in the locking position.
  • the locking part can be attached to a leaf spring-like arm which extends in the socket opening of the actuating element.
  • the leaf spring-like arm can be held at the rear end region of the bush opening.
  • the writing instrument shown in FIG. 1A in the form of a ballpoint pen has an essentially known structure.
  • a ballpoint pen refill 10 is inserted, the front end of which forms a writing tip 11 and which is supported by a coil spring 5, which is supported with its front end on an annular shoulder in the tip 1 ', is pushed backwards so that its rear end surface 12 bears against the front end surface 33 of a socket-shaped actuating element 30 of the rotary mechanism which forms a first support surface.
  • the actuating element 30 is seated in an actuating element 20, which has at its front end a rib 21 which extends only along part of the circumference, which engages behind an annular shoulder of the tube section 2, while an annular shoulder 21 'of the actuating element 20 which is located further back at the rear end of the Pipe section 2 is applied.
  • the control element 20 immovable in the axial direction, but rotatably held in the tube section 2.
  • the actuating element 20 continues in a cup-shaped manner to the rear, and a metal bushing 18, which has an internal thread, is pressed into the cup which is open to the rear.
  • the outer wall of the metal bushing 18 carries ring ribs 19, via which a press connection with the adjusting element 20, which is usually made of plastic, is ensured.
  • a clip 7 is placed on the rear end of the cap element 6, which clip is fixed to the cap element 6 with the aid of a cover cap 8, which is screwed into the internal thread of the metal bushing 18 by means of a threaded attachment 8 '.
  • a guide curve is formed on the rib 21 on the actuating element 20, which has a feed section 22 which runs obliquely forward in the circumferential direction, to the front end 23 of which a support section 24 adjoins one axially forms at the rear as the front end 23 of the feed section 22 lying recess 24 in the peripheral wall of the actuating element 20.
  • a support projection 32 in the form of a rib extending from the front rib 21 on the outside of the actuating element 20 to the rear cooperates, the front end of which is in the retracted position of the lead arrangement, for example the ballpoint pen refill 10 rests with its axially rear end on the axially furthest rear end of the feed section 22 of the guide curve, ie in Figure 2 at the left end of the feed section 22.
  • the rear end surface 12 of the ballpoint pen refill 10 is pressed by the spring 5 against the front end surface 33 of the actuating element 30 and so the rear end of the support projection 32 engages with the feed section 22 of the guide curve held on the actuator 20.
  • the support projection 32 extends into an axially extending slot (not shown) in the extension section 3 and thus secures the actuating element 30 against rotation.
  • the ballpoint pen refill 10 is to be shifted from the retracted position into the writing position in which its front end 11 projects beyond the front end of the shaft part, ie the tip 1 ', the user rotates the cap element 6 with respect to the shaft part 1, 1', 2, so that the actuating element 20 rotates with respect to the actuating element 30 and the rear end of the support projection 32 is displaced along the feed section 22 of the guide curve, which leads to a feed movement of the Pen refill 10 leads against the force of the spring 5.
  • the axially rear end of the support projection 32 overflows the end 23 of the feed section 22, it reaches the region of the support section 24 and is pressed into it by the force of the spring 5.
  • the user rotates the cap element 6 in the opposite direction to the rotary movement for the shift into the writing position, and during this rotation movement the ballpoint pen refill 10 is first against the force of the spring 5 shifted slightly forward until the rear end of the support projection 32 of the actuating element 30 has come out of the support section 24 of the actuating element 20 and the end 23 of the feed section 22 has overrun so far that it is located in the region of the feed section 22 running to the rear.
  • the actuating element 30 is bush-shaped, i.e. it has a central opening 35 into which a coil spring 45 ( Figure 6) is inserted, which is located on an annular shoulder on the inner, i.e. supports the rear end of the opening 35.
  • a coil spring 45 Figure 6
  • an axially extending slot 34 is provided, in the area of which there is a connecting web 42, which is part of a substantially cylindrical guide element 41 seated in the opening 35, which is located at the front end of the helical spring 45 is present.
  • a blocking part 40 extends outward from the connecting web 42 and tapers in a wedge shape toward the rear.
  • the axially rearward, not bevelled side of the locking part 40 lies directly adjacent to the side edge of the rib-shaped support projection 32 and is supported on the circumferential direction thereof, if necessary.
  • the locking part 40 is irrelevant for this operating case and is then in the position according to FIGS. 2 and 6.
  • a mechanical pencil mechanism 14 (FIG. 1B) can be inserted into the writing instrument.
  • This mechanical pencil mechanism is activated in that the actuating pin, consisting of a rear section 16 and a front section 17, is pressed into the housing of the mechanical pencil mechanism, thereby releasing the collet for the front pencil lead and causing this pencil lead to be advanced.
  • the actuating pin is inserted with its rear section 16 into the opening 35 of the actuating element 30 until the shoulder lies between the front section 16 and the rear section 17 against the front end surface 33 of the actuating element 30.
  • the rear end of the support projection 32 is in engagement with the rear end region of the feed section 22 of the guide curve of the actuating element 20, that is to say on the left in FIGS. 3 and 4
  • the user rotates the cap element 6 with respect to the shaft part 1, 1 ', 2, so that the rear part End of the support projection 32 of the actuating element 30 is displaced along the feed section 22 of the guide curve and the actuating pin 16, 17 is moved forward as a result of the annular shoulder resting between section 16 and section 17 on the front end face 33 of the actuating element 30 (FIG. 3). During this forward movement, the lead collet is released and the lead lead is moved forward.
  • cap part 6 when the cap part 6 is released, it is operated in the same way as described above in connection with the writing instrument containing the ballpoint pen refill, by the action of the spring pushing the actuating pin 16, 17 back into its starting position and the resultant displacement of the rear end of the support projection 32 rotated back into the starting position along the feed section 22 of the guide curve.
  • the clamp for the above lead lead is closed in this, so that the lead lead is in the writing position.
  • FIGS. 8 to 12 show an actuating element modified compared to the exemplary embodiment according to FIGS. 3 to 7, parts shown in FIGS. 8 to 12 or functionally identical to those in FIGS. 3 to 7 being designated by reference numerals increased by 100.
  • the actuating element 130 has a passage opening 134 in its wall adjacent to the rib-shaped support projection 132. In the region of this passage opening there is a blocking part 140 which extends to a rear in the opening 135 of the actuating element 130 , leaf spring-shaped carrier section 145 fastened to the base of this opening is held and tapers radially outward.
  • the locking part 140 In the position when using the writing instrument with a ballpoint pen refill, the rear end surface of which is supported on the front end surface 133 of the actuating element 130, the locking part 140, as shown in FIGS. 8 and 9, lies within the outer circumference of the cylindrical wall of the actuating element 130, so that the actuating element, not shown in FIGS. 8 to 12, can be rotated into a position which corresponds to that from FIG. 2, that is to say a position in which the surface of the rib-shaped support projection 132 facing away from the feed section of the guide curve of the actuating element on the Stop surface 25 according to FIGS. 3 to 7 rests on the corresponding stop surface of the adjusting element, as is indicated by the representation of the rib 132 of the adjusting element corresponding to the rib 32 in FIG. 9.
  • the section 116 of the actuating pin presses the blocking part 140 fastened to the leaf-spring-shaped carrier section 145 radially outward into the carrier section with elastic deformation of the carrier section 145 Position according to FIGS. 10 and 11.
  • the blocking part 140 blocks the rotation of the associated actuating element at the end of the feed section in the same way as the blocking part 40 in the position according to FIGS Guide curve so that the support projection 132 does not come into engagement with its support section, ie when the cap is released, the actuating element is automatically turned back in the manner described in connection with FIGS. 3 to 5 in such a way that the actuating pin 116, 117 of the mechanical pencil mechanism is displaced to the rear and the clamping pliers for the lead mine are closed.

Landscapes

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

Claims (9)

  1. Instrument d'écriture comprenant un dispositif de mine (10 ; 14) prévu dans une partie corps (1, 1', 2) et qui forme une pointe d'écriture (11 ; 15) qui émerge de l'extrémité avant de la partie corps (1, 1', 2) dans la position d'écriture, ainsi qu'un mécanisme tournant servant à placer la pointe d'écriture (11 ; 15) dans la position d'écriture, le mécanisme tournant comprenant un élément d'actionnement (30 ; 130) qui comprend lui-même une première surface d'appui (33 ; 133) en prise avec l'extrémité arrière d'un dispositif de mine, formé d'une mine d'écriture à bille (10), et qui porte une saillie d'appui (32 ; 132) sur son côté extérieur, et un élément de commande (20) qui peut tourner par rapport à l'élément d'actionnement (30) et possède une came de guidage (22) qui est en prise avec l'extrémité arrière de la saillie d'appui (32 ; 132) et présente un segment d'appui (24) pour donner-appui à l'élément d'actionnement (30 ; 130) dans sa position avant, ainsi qu'un segment d'avance (22) qui fait suite au segment d'appui (24) dans la direction circonférentielle de l'élément de commande (20), segment qui, dans une position de fin de course de rotation de l'élément de commande (20), permet le décalage de l'élément d'actionnement vers l'arrière et qui, lorsque l'élément de commande (20) tourne en quittant la position de fin de course de rotation, décale l'élément d'actionnement (30 ; 130) vers l'avant en entrant en prise avec la saillie d'appui (32 ; 132) de cet élément, caractérisé en ce que l'élément d'actionnement (30 ; 130) à la forme d'une douille ouverte au moins vers l'avant, le téton d'actionnement (16, 17 ; 116, 117) qui fait saillie vers l'arrière en émergeant du boîtier d'un mécanisme (14) de porte-mine tournant et qui doit se déplacer axialement pour libérer la mine, pouvant être emboîté dans l'ouverture (35 ; 135) de cette douille, qui se prolonge vers l'arrière au-delà de la première surface d'appui (33 ; 133), et prendre appui contre l'élément d'actionnement (30 ; 130) et en ce qu'il est prévu, sur l'élément d'actionnement (30 ; 130), un élément d'arrêt (40 ; 140) qui peut être déplacé d'une position de libération à une position d'arrêt par le téton d'actionnement (16, 17 ; 116, 117), à l'encontre de la pression d'un ressort, et qui, dans la position d'arrêt, limite la rotation de l'élément de commande (20) à la région de la prise entre la saillie d'appui (32 ; 132) et le segment d'avance (22) de la came de guidage (22, 23, 24).
  2. Instrument d'écriture selon la revendication 1, caractérisé en ce que, dans la position d'arrêt, l'élément d'arrêt (40 ; 140) se trouve dans la région circonférentielle comprise entre la saillie d'appui (32 ; 132) et une surface de butée (25) présente sur l'élément de commande (20).
  3. Instrument d'écriture selon la revendication 2, caractérisé en ce que l'élément d'arrêt (40 ; 140) se rétrécit en forme de coin dans le sens du mouvement menant à la position d'arrêt.
  4. Instrument d'écriture selon la revendication 2 ou 3, caractérisé en ce que, dans la position de libération de l'élément d'arrêt (40), la surface de butée (25) place son extrémité avant axialement en arrière de l'élément d'arrêt (40).
  5. Instrument d'écriture selon la revendication 4, caractérisé en ce que l'élément d'arrêt (40) est formé sur un élément de guidage (41) qui est monté mobile dans la direction axiale dans l'ouverture (35) de la douille, et est en appui par une extrémité contre un ressort hélicoïdal (45) qui s'appuie par son autre extrémité contre une surface située plus loin vers l'arrière dans l'ouverture (35) de la douille.
  6. Instrument d'écriture selon la revendication 5, caractérisé en ce que la nervure de liaison (42) entre l'élément d'arrêt (40) et l'élément de guidage (41) s'étend à travers une fente axiale (34) pratiquée dans la paroi de l'élément d'actionnement (30).
  7. Instrument d'écriture selon la revendication 2 ou 3, caractérisé en ce que, dans la position de libération, l'élément d'arrêt (140) se trouve plus loin vers l'intérieur que dans la position d'arrêt, dans la direction radiale.
  8. Instrument d'écriture selon la revendication 7, caractérisé en ce que l'élément d'arrêt (140) est prévu sur un bras (145) en forme de ressort lame, qui s'étend dans l'ouverture (135) de la douille de l'élément d'actionnement (130).
  9. Instrument d'écriture selon la revendication 8, caractérisé en ce que le bras (145) est tenu dans la région d'extrémité arrière de l'ouverture (135) de la douille.
EP91116521A 1991-01-26 1991-09-27 Instrument pour écrire Expired - Lifetime EP0496944B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4102338 1991-01-26
DE4102338A DE4102338A1 (de) 1991-01-26 1991-01-26 Schreibgeraet

Publications (2)

Publication Number Publication Date
EP0496944A1 EP0496944A1 (fr) 1992-08-05
EP0496944B1 true EP0496944B1 (fr) 1995-02-01

Family

ID=6423788

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91116521A Expired - Lifetime EP0496944B1 (fr) 1991-01-26 1991-09-27 Instrument pour écrire

Country Status (4)

Country Link
EP (1) EP0496944B1 (fr)
AT (1) ATE117948T1 (fr)
DE (2) DE4102338A1 (fr)
ES (1) ES2069161T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10017939C2 (de) 2000-04-11 2002-04-25 Kui Cheung Lai Schreibgerät mit einer verstellbaren Mine
DE102015009814A1 (de) 2015-07-28 2017-02-02 Montblanc-Simplo Gmbh Schreibgerät mit sich rückstellender Bedieneinheit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5537421Y2 (fr) * 1976-10-16 1980-09-02
DE2711884C3 (de) * 1977-03-18 1981-10-15 Gebr. Schmidt, Fabrik für Feinmechanik, 7742 St Georgen Schreibgerät mit gegeneinander verdrehbaren Gehäuseteilen
DE2934083A1 (de) * 1979-08-23 1981-03-12 Merz & Krell, 6101 Gross-Bieberau Schreibgeraet mit einer schreibmine.
DE8804917U1 (fr) * 1988-04-14 1988-05-26 Jahraus, Rudi, 7538 Keltern, De

Also Published As

Publication number Publication date
DE4102338A1 (de) 1992-07-30
EP0496944A1 (fr) 1992-08-05
DE59104494D1 (de) 1995-03-16
ES2069161T3 (es) 1995-05-01
ATE117948T1 (de) 1995-02-15

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