EP0384452A2 - Instrument à écrire à couleurs multiples - Google Patents

Instrument à écrire à couleurs multiples Download PDF

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Publication number
EP0384452A2
EP0384452A2 EP90103428A EP90103428A EP0384452A2 EP 0384452 A2 EP0384452 A2 EP 0384452A2 EP 90103428 A EP90103428 A EP 90103428A EP 90103428 A EP90103428 A EP 90103428A EP 0384452 A2 EP0384452 A2 EP 0384452A2
Authority
EP
European Patent Office
Prior art keywords
writing
housing
plunger
implement according
plunger housing
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Withdrawn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
EP90103428A
Other languages
German (de)
English (en)
Other versions
EP0384452A3 (fr
Inventor
Georg Dipl.-Ing. Keil
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.)
Merz and Krell GmbH and Co KG
Original Assignee
Merz and Krell 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
Application filed by Merz and Krell GmbH and Co KG filed Critical Merz and Krell GmbH and Co KG
Publication of EP0384452A2 publication Critical patent/EP0384452A2/fr
Publication of EP0384452A3 publication Critical patent/EP0384452A3/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Withdrawn legal-status Critical Current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
    • 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
    • B43K24/166—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by push-buttons selection by gravity with a pendulum or the like
    • 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

Definitions

  • the invention relates to a writing instrument with the features of the preamble of claim 1.
  • Disc devices with a plurality of writing leads of different types or of different colors, which can optionally be brought into writing position are known in various embodiments. So one has arranged a pendulum device in the area of the pusher mechanism, which couples the pusher mechanism to a selected writing surface under the influence of gravity and the position of the shaft housing, so that the relevant face is advanced when the pusher mechanism is actuated.
  • driver curves are arranged on the pusher mechanism, which can engage on the longitudinally displaceable supporting devices of the mines via driver lugs in order to advance a selected writing line into the writing position as a function of a rotary movement of the pusher mechanism.
  • the latter arrangement is mostly only applicable to writing instruments with two writing leads.
  • the devices suitable for more than two writing leads are relatively complex, prone to failure and expensive to manufacture and assemble.
  • the selection control device can be easily preassembled and inserted into the shaft housing.
  • the selection control device can be used in almost all known writing implement designs without a major change in the main parts of the writing implement. It is irrelevant in which way the pusher rod can be moved in the longitudinal direction to advance a writing line.
  • the longitudinal movement of the pusher rod can also be caused by a screw element replacing the pusher element with a corresponding movement conversion device. Only a relatively short stroke is required to actuate the selection control device, which in turn favors the versatility of the selection control device in different writing instruments.
  • the selection control device can be manufactured entirely without expensive metal parts.
  • the arrangement is robust since the tappet housing is compact and can be inserted loosely into the shaft housing.
  • the tappet housing also serves to receive and guide the leads.
  • the new writing instrument is particularly suitable for three writing leads of different types, especially different colors.
  • the tappet housing is advantageously designed in accordance with the teaching of claim 2, in particular with the addition of the features of claim 3.
  • the tappet housing in the shaft housing under the action of gravity and in Depending on the rotational position of the shaft housing, tilt around one or the other rounded triangular edge, so that two other rounded edges come to rest against the inner surface of the shaft housing and the third triangular edge lies in the center of the shaft housing.
  • the tappet housing thus forms a loose and with considerable play in the shaft housing tilted body with three stable positions in which one of the three mines in the central position of the shaft housing is aligned with the push rod.
  • a movement limiting device with the features of claim 6 can be provided.
  • This can be designed in different ways.
  • a control recess can be provided with a profiled contour that deviates from the clear outline of the shaft housing and into which the end of the tappet housing, which is triangular in cross section, projects.
  • the outline profile of the recess can be matched to the triangular cross section of the plunger housing in such a way that the plunger housing in the recess can, depending on gravity, only perform certain and limited tilting movements which correspond to the three tilting movements described above.
  • a design of the movement limiting device according to the teaching of claims 7 or 8 is particularly simple for the manufacture and assembly. With the design according to claim 8 it is achieved that a selected point on the outline of the tappet housing can only perform a radial limited movement, whereby the desired Motion control is achieved.
  • the tappet housing is expediently designed in accordance with the teaching of claim 4 and secured in the axial direction in the shaft housing in accordance with claim 5.
  • the embodiment according to claim 4 allows the use of a single return spring built into the plunger housing for all three writing leads.
  • the two not used writing leads also secure the axial position of the plunger housing in the shaft housing when the third writing lead is in the writing position.
  • the invention makes it possible to convert a conventional writing instrument into a three-color pen only by using a specially designed front part and by using the plunger housing as an installation kit, with a single spring suspension of the leads being avoided.
  • the writing instrument according to FIG. 1 has a hollow cylindrical barrel housing 1, which can also be made in several parts in the longitudinal direction.
  • the shaft housing 1 has at its front end 2 a guide opening 3 for the front end or the writing tip of a writing lead 4, 5, 6.
  • the writing instrument according to FIG. 1 is provided for three writing leads of different types, in particular of different colors.
  • the writing instrument has an actuating mechanism at its rear end.
  • This can be one of the known mechanisms, such as a rotating mechanism or a pushing mechanism.
  • a pusher mechanism is provided with a pusher 7 projecting over the end, which acts via a known rotor 8 to move a pusher rod 9, which is supported by a return spring 10 supported on a fixed insert 11 in the direction of the pusher end retracted position is biased.
  • the front end of the push rod is guided in a bore in the transverse wall or the insert 11 so as to be longitudinally movable.
  • a plunger housing 13 is inserted freely and loosely in the shaft housing 1 in front of the transverse wall 11. As can be seen from FIG. 4, the transverse dimensions of the pusher housing 13 are small compared to the clear cross section of the shaft housing 1.
  • the pusher housing forms a selection control device, with the help of which the face that is written into the writing by means of the pusher mechanism position should be brought, can be selected. The selection is made under the effect of gravity and depending on the rotational position of the shaft housing 1.
  • the plunger housing 13 has an outline in the form of an equilateral triangle with corners rounded over a large radius of curvature.
  • a holder 14 for the writing leads is provided facing the writer 2 of the writing instrument. This consists of a bundle of three receptacles 32, 33, 34 which can be displaced independently of one another in the longitudinal direction and which have a limited recess 36 at their front end into which the rear end of the face 4 to 6 can be inserted with a clamp fit.
  • the recordings are, as indicated by arrow 35, slightly elastically deformable and thus hold the expression.
  • Each receptacle 32 to 34 is fixedly connected to a rear head part 15 or 16 or 17 and forms with it a plunger which is rigid in the longitudinal direction and which is non-rotatably supported and guided in the longitudinal direction in a housing section 18 of the plunger housing 13.
  • Each plunger can be formed in two parts, the two parts being firmly connected to one another during assembly, so that by striking the holder 32 to 34 at the lower end of the housing section 18, the movement of each plunger to the rear end is limited, while on the other hand the movement of the Ram forward to is also limited to a predetermined stroke length.
  • the housing section 18 has an inner wing-like light profile, each wing section 25, 26, 27 for receiving and guiding one of the Plunger 15 to 17 is used.
  • the heads of the tappets are undercut towards the center, as shown in dashed lines in FIG. 2 and shown at 20 in FIG.
  • the outline profile of the plunger housing 13 with respect to the inner surface 1 a of the shaft housing 1 is designed such that the plunger housing in the shaft under the action of gravity and depending on the rotational position of the shaft housing 1 (based on the shaft housing axis ) can tilt into three selected stable positions.
  • Each position like the position shown in FIG. 4, is determined by the fact that two rounded corners of the tappet housing bear against the inner surface 1a of the shaft housing. 4 shows the central position of the plunger housing, it being assumed that the face plunger 15 aligned with the push rod 9 is pushed forward by the push rod 9 through the front opening 3 of the writing instrument, so that the position of the plunger housing 13 is independent of this the rotational position of the writing instrument is fixed in the position shown. If, on the other hand, the push rod 9 is retracted and the tappet housing is released, it can tip around the rounded corners of its cross section into another of the two stable positions.
  • a limiting device is provided in order to limit these tilting movements to the three positions indicated.
  • a radial groove 38 is provided in the forward-facing end face of the transverse wall or of the insert 11, into which a pin 12 protrudes when the tappet housing 13 is inserted, with its shaft end 30 in the middle of a side wall between two rounded corners of the Section 18 of the plunger housing 13 is firmly anchored. This prevents slipping of the tappet housing in the circumferential direction and ensures that the Tappet housing can only tilt from the position shown in FIG. 4 according to arrows 40 and 41 to one or the other side into the second or third stable position. It can also be seen that during these tilting movements, depending on the direction of tilting, either the plunger 16 or the plunger 17 takes the place of the plunger 14 in FIG. 4 and thus in alignment with the push rod 9, so that another expression can be advanced into the writing position.
  • the different expressions and their ready position can be recognized on the outside of the shaft housing 1 by color markings 44, one of the markings e.g. can be provided on the clip 43 indicated in FIG. In this case, the middle position shown in FIG. 4 is shown on the clip, the radial groove 38 running from the center in the direction of the clip.

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
EP19900103428 1989-02-24 1990-02-22 Instrument à écrire à couleurs multiples Withdrawn EP0384452A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3905858A DE3905858A1 (de) 1989-02-24 1989-02-24 Mehrfarben-schreibgeraet
DE3905858 1989-02-24

Publications (2)

Publication Number Publication Date
EP0384452A2 true EP0384452A2 (fr) 1990-08-29
EP0384452A3 EP0384452A3 (fr) 1991-03-13

Family

ID=6374898

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900103428 Withdrawn EP0384452A3 (fr) 1989-02-24 1990-02-22 Instrument à écrire à couleurs multiples

Country Status (4)

Country Link
US (1) US4999017A (fr)
EP (1) EP0384452A3 (fr)
JP (1) JPH031994A (fr)
DE (1) DE3905858A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224830A (en) * 1992-10-06 1993-07-06 Wang Sui Mu Holographically-decorated ceiling fan

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR550402A (fr) * 1922-04-11 1923-03-09 Porte-mines à mines multiples
US2480014A (en) * 1946-01-17 1949-08-23 Caran D Ache Crayons Changeable propelling pencil
FR1296415A (fr) * 1960-08-02 1962-06-15 Crayon à bille à plusieurs couleurs
FR2107129A5 (fr) * 1970-09-02 1972-05-05 Faber Castell A W
FR2240831A1 (fr) * 1973-08-14 1975-03-14 Heinz Karl

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476866A (en) * 1946-01-21 1949-07-19 Nicholas C Heyman Multilipstick holder
US2737155A (en) * 1953-07-20 1956-03-06 Joseph C Berney Selective point pencils
DE1461617A1 (de) * 1963-10-02 1969-05-22 Lamy C Josef Kugelschreiber mit durch Druckknopf schaltbarer Schreibmine
GB1277579A (en) * 1968-07-15 1972-06-14 Wellworthy Ltd Pistons
JPS5537421Y2 (fr) * 1976-10-16 1980-09-02

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR550402A (fr) * 1922-04-11 1923-03-09 Porte-mines à mines multiples
US2480014A (en) * 1946-01-17 1949-08-23 Caran D Ache Crayons Changeable propelling pencil
FR1296415A (fr) * 1960-08-02 1962-06-15 Crayon à bille à plusieurs couleurs
FR2107129A5 (fr) * 1970-09-02 1972-05-05 Faber Castell A W
FR2240831A1 (fr) * 1973-08-14 1975-03-14 Heinz Karl

Also Published As

Publication number Publication date
DE3905858A1 (de) 1990-08-30
EP0384452A3 (fr) 1991-03-13
US4999017A (en) 1991-03-12
DE3905858C2 (fr) 1991-01-31
JPH031994A (ja) 1991-01-08

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