EP0458905B1 - Schreibgerät mit zeitgesteuerter, vollautomatischer kappe - Google Patents

Schreibgerät mit zeitgesteuerter, vollautomatischer kappe Download PDF

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Publication number
EP0458905B1
EP0458905B1 EP90904283A EP90904283A EP0458905B1 EP 0458905 B1 EP0458905 B1 EP 0458905B1 EP 90904283 A EP90904283 A EP 90904283A EP 90904283 A EP90904283 A EP 90904283A EP 0458905 B1 EP0458905 B1 EP 0458905B1
Authority
EP
European Patent Office
Prior art keywords
writing
writing implement
cartridge
implement according
cam member
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
EP90904283A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0458905A1 (de
Inventor
Götz-Ulrich Wittek
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.)
Intergraph Office Innovation NV
Original Assignee
Intergraph Office Innovation 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 Intergraph Office Innovation NV filed Critical Intergraph Office Innovation NV
Publication of EP0458905A1 publication Critical patent/EP0458905A1/de
Application granted granted Critical
Publication of EP0458905B1 publication Critical patent/EP0458905B1/de
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
    • B43K24/082—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 placed on the side
    • 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
    • B43K24/023—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions with a deformable barrel
    • 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
    • B43K5/16—Pens with ink reservoirs in holders, e.g. fountain-pens with retractable nibs
    • B43K5/17—Pens with ink reservoirs in holders, e.g. fountain-pens with retractable nibs with closing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/02—Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material
    • B43K8/028—Movable closure or gate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/24—Pens with writing-points other than nibs or balls characterised by the means for retracting writing-points

Definitions

  • the invention relates to a writing instrument according to the preamble of claim 1.
  • Such a writing instrument is known from DE-OS 35 18 069.
  • This writing instrument has a two-piece collet as a closure for the associated writing lead.
  • the two halves of the closure are provided on the inside with a rubber-like plastic part and are closed by the deflected force of a very strong compression spring.
  • this writing instrument has a control mechanism in order to coordinate the movement of the writing lead into the writing state with the sealing closure in such a way that neither the writing tip nor the seals can be damaged.
  • This known writing instrument is put into the writing state by actuating the rear push button, like a ballpoint pen.
  • the mine is engaged by a direct switching system in the advanced state, with the closure, which is directly controlled in parallel, being withdrawn laterally behind the mine.
  • This known writing instrument does offer all the prerequisites that are necessary for an inexpensive and absolutely reliable automatic closure.
  • a common problem with the use of such writing instruments is, however, that users, especially if they have to deal with something else for a short time, simply leave the liquid pen unlocked, as they are used to with ballpoint pens, whereupon the devices begin, to dry up.
  • This forgetting to lock the pen occurs regardless of whether the liquid pen has a lock that can be operated at the push of a button or an ordinary push-on cap.
  • the basic problem of liquid pens, that you forget to close them, is therefore not yet solved by the lockability at the push of a button.
  • a writing instrument is known in which the refill is automatically brought into a writing position and is moved back into the closed position immediately when the writing instrument is released.
  • a writing instrument is also known from FR-A-2 607 074, in which the lead also snaps back into the closed position when the writing instrument is released.
  • the object of the invention is therefore to create a writing instrument of the type mentioned at the outset which closes automatically after a defined period of time.
  • the writing instrument of the type described at the outset is largely redesigned except for the closure.
  • the writing instrument now only consists of an outer sleeve, a gas pressure-tight closure, a writing lead and a timer element acting between the lead and the outer sleeve.
  • the writing lead is no longer firmly anchored to the outer housing when it is pushed forward, as is generally the case with Ballpoint pens is common, but is located above an attachment at the front mine tip in an unstable anchorage that interacts with the timer element.
  • the time switch element is arranged in a separate grip zone which is mounted on the outer sleeve.
  • the lead comes into unstable engagement with the timer element.
  • the index finger, thumb and middle finger usually press into the three depressions provided for this purpose in the grip zone, whereby preferably one of the three grip zones is a single part which can be moved independently of the outer sleeve and which transfers the pressure of the writing hand to the latched attachment.
  • the pressure between the unstable anchoring (or the time switch) and the attachment of the mine that is snapped into it increases, due to the leverage that is triggered.
  • the unstable anchoring of the writing lead becomes a stable anchoring during writing.
  • the writing lead is anchored as firmly as usual.
  • the writing lead releases from the latching in the advanced position and moves automatically, without any further external influence, into the closed state fully automatically.
  • the other forms of closure by push button actuation are also used to anchor the writing lead stably when writing and unstable in the state of not writing.
  • This timer mechanism can thus be applied to any conceivable system of the cap closure at the push of a button or rotation, etc.
  • the time switch function is fulfilled by other mechanisms, e.g. an electronic system which registers whether or not writing is taking place via the warmth of the hand, the writing movements or the diagonal / horizontal position of the writing instrument and, when not writing after a certain preselectable time, releases the snap-in of the advanced writing lead, whereupon the latter automatically closes in the locked state emotional.
  • other mechanisms e.g. an electronic system which registers whether or not writing is taking place via the warmth of the hand, the writing movements or the diagonal / horizontal position of the writing instrument and, when not writing after a certain preselectable time, releases the snap-in of the advanced writing lead, whereupon the latter automatically closes in the locked state emotional.
  • whether or not writing is possible is also possible via an air / gas / water system, which is compressed over the grip zone during writing and passes the pressure of the fingers on to a holding system for the writing element.
  • the embodiment of the writing instrument shown in FIGS. 1-8 has a one-piece outer sleeve 2 and a one-piece closure 1 (FIG. 1b), which can be opened in two halves 12 via a film hinge 19 (FIG. 3).
  • the closure halves 12 of the closure 1 are each provided with a rubber-elastic sealing half-shell 5 (FIGS. 1 and 3).
  • the closure 1 is biased against the outer sleeve 2 by a strong compression spring 6 and is thereby compressed in the manner of a collet by a closure cone 8 at the front opening of the outer sleeve 2, the elastic sealing half-shells 5 being closed under high pressure (FIG. 1b) .
  • the writing instrument has a writing lead 4, which is arranged in the outer sleeve 2.
  • the writing refill 4 is biased against the closure 1 by means of a small spring 7, the spring 7, in order to keep the lead tip 14 and thus the length of the writing wick as short as possible, partially sinks into a special spring pocket 16 which is embedded in the rear end of the closure 1 (e.g. Figs. 1 and 3).
  • the writing lead 4 In the closed state (FIG. 1b), the writing lead 4 is supported against a projection 18 at the rear via a special shoulder 17 which is located at the tip of the lead 14.
  • the writing tip 9 of the writing lead 4, which is at risk of drying out, is hermetically and pressure-tightly closed within the sealing half-shells 5 of the closure 1 during the closed state (FIG.
  • the writing instrument has a grip zone 10 consisting of three recessed grips (FIGS. 1, 5 and 7), one of the recessed grips consisting of a separate grip zone part 3 (FIG. 6), which is located in a special recess 11 (Fig. 5 and 1) on the outer sleeve 2 (Fig.1, 5, 6 and 7).
  • the end 13 of the writing lead 4 which protrudes outwards from the outer sleeve 2 itself, is pressed down instead of an otherwise usual push button (from FIG. 1b to FIG. 1a).
  • the opening shoulder 15 of the mine tip 14 meets the Opening projection 21 within the closure 1, the two halves 12 of the closure 1 being opened.
  • the opening process is such that the elastic seals of the sealing half-shell 5 are not touched by the writing tip 9.
  • the rear seal 22 of the sealing half-shell 5, which rests directly on the lead tip 14, is also lifted off during the opening after a very short grinding movement (about 0.5 mm) from the lead tip 14, so that this does not occur during the entire feed and when writing is touched by the mine tip 14.
  • this support is a relatively unstable support. Only when the user starts to write will the support of the writing lead 4 become stable (FIG. 1). This is done in that when writing one of the three writing fingers presses on the grip zone part 3, whereby the timing switch protrusion 24 is pressed somewhat more strongly than the non-writing on the shoulder 17 of the writing lead 4 (FIG. 1). This slight amplification of the pressure from the grip zone part 3 via the time advance 24 on the shoulder 17 is therefore sufficient to keep the latching of the writing lead 4 in the writing state permanently stable during writing.
  • the grip zone part 3 is slowly raised above the timer projection 24 by the shoulder 17, the force of the spring 7 against the writing lead 4 being the cause of this .
  • the lifting of the grip zone part 3 is also facilitated in that the front part 25 of the grip zone part 3 is made thinner and flexible, while the rear part 28 is thicker and inelastic.
  • the engagement of the writing lead 4 thus gradually changes from a stable to an unstable engagement.
  • the pushing back of the writing lead 4 is not jerky, but slightly braked, since the pressure of the opening projections 21 on the lead is maintained and dampens the force development of the spring 7. In this way, the ink supply is moved back together with the writing lead 4 without vibration, so that no tendency to leakage can develop, i.e. the writing refill 4 can easily be equipped with a high writing capacity or a large ink supply.
  • the shoulder 17 of the writing lead 4 has different flattened angles in different sections around the writing lead 4, with which it can come to rest against the timing projection 24, the point in time after which the writing instrument closes automatically can be used by the user change.
  • different Angles can also be incorporated on the shoulder 17 to change the timing, such as different surfaces and shapes, etc. on the individual sections of the shoulder 17.
  • the change in the closing time 23 associated with the individual contact angles of the shoulder 17 can be seen on the rear Read the end 13 of the writing lead 4 via the time setting notch 20.
  • the closing time of the writing instrument is too fast or too slow for the user, he can extend or shorten it by rotating the writing lead 4 protruding out of the outer sleeve 2.
  • the user can also use the mass production to correct possible variation widths in the structurally predetermined shutter speed.
  • the automatic shutter speed can be set constructively by a number of factors.
  • this includes the shape and nature of the grip zone part 3, how thin or thick the front, flexible part 25 and the rear, less elastic part 28 are made (FIGS. 6 and 2).
  • This also includes the shape and surface condition of the timing switch projection 24 and the shoulder 17.
  • An essential one The materials from which the parts of the time mechanics are made also play a role. For example, it is conceivable to manufacture the timer projection 24 together with the grip zone 3 from a harder material with a rough surface and the shoulder 17 from a softer material with a smooth surface, etc.
  • Another way of influencing the shutter speed is to coat the surface of the otherwise hard material part with a soft plastic on one or more of the parts which are unstable to support the writing state, for example 17, 24 or 3, as a result of which the latches slide past one another can be further slowed down. Furthermore it is also possible, e.g. to incorporate certain patterns into a somewhat enlarged time switch projection 24, which unstably engage with corresponding patterns on the adapted shoulder 17.
  • Another possibility is, for example, by casting a small pivotable flap on the inner side of the grip zone part 3, which cooperates with a corresponding projection in the region of the shoulder 17, so that this pivoting flap when the Writing lead 4 first has to lift the grip zone part 3 briefly before the writing lead loses its rear support and switches to the locked state.
  • the regulation of the timing can also be supported in that the inner regions of the outer sleeve 2, which lie opposite the shoulder 17 during the writing state, are also included in the switching sequence.
  • certain angles or protrusions here can press the shoulder 17 against the protrusion 24 when the writing lead slides back, or the inner surface quality of the outer sleeve 2 can also interact with the shoulder 17 here, similarly to the options previously available for the timer protrusion 24 and the switch 17 has been described.
  • the type and pressure strength of the compression spring 7 and the compression spring 6 also play an important role.
  • the constructionally specified closing time would expediently be longer for writing instruments with normal writing inks which are less prone to drying out, e.g. 15 minutes, and correspondingly shorter for writing instruments with fast-evaporating, alcoholic inks, e.g. 5 minutes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Pens And Brushes (AREA)
  • Electromechanical Clocks (AREA)
  • Studio Devices (AREA)
  • Electric Clocks (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Recording Measured Values (AREA)
EP90904283A 1989-02-15 1990-02-14 Schreibgerät mit zeitgesteuerter, vollautomatischer kappe Expired - Lifetime EP0458905B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3904578 1989-02-15
DE3904578A DE3904578A1 (de) 1989-02-15 1989-02-15 Schreibgeraet mit zeitgesteuerter, vollautomatischer kappe
PCT/EP1990/000240 WO1990009288A1 (de) 1989-02-15 1990-02-14 Schreibgerät mit zeitgesteuerter, vollautomatischer kappe

Publications (2)

Publication Number Publication Date
EP0458905A1 EP0458905A1 (de) 1991-12-04
EP0458905B1 true EP0458905B1 (de) 1995-01-11

Family

ID=6374159

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90904283A Expired - Lifetime EP0458905B1 (de) 1989-02-15 1990-02-14 Schreibgerät mit zeitgesteuerter, vollautomatischer kappe

Country Status (11)

Country Link
EP (1) EP0458905B1 (da)
JP (1) JP2525690B2 (da)
AT (1) ATE116910T1 (da)
AU (1) AU651793B2 (da)
BR (1) BR9007123A (da)
CA (1) CA2045668A1 (da)
DD (1) DD297793A5 (da)
DE (2) DE3904578A1 (da)
DK (1) DK0458905T3 (da)
ES (1) ES2069737T3 (da)
WO (1) WO1990009288A1 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4201479A1 (de) * 1992-01-21 1993-07-22 Schmidt Feinmech Schreibgeraet mit zwischen ruhestellung und schreibstellung verschiebbarer mine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1876921U (de) * 1957-10-09 1963-08-01 A W Faber Castel Fa Kugelschreiber mit einer entgegen federkraft in die schreibstellung verschiebbaren schreibmine.
US3480370A (en) * 1968-01-18 1969-11-25 Penn Corp Writing instruments
DE1942979A1 (de) * 1969-08-23 1971-03-11 Kurt Kratschmann Kugelschreiber
US3652172A (en) * 1970-03-04 1972-03-28 Nathan A Zepell Sliding clip actuated pen
US3709619A (en) * 1971-05-03 1973-01-09 N Zepell Writing implement with retractable writing tip enclosure
DE2209265A1 (de) * 1972-02-26 1973-08-30 Helmut Dipl Ing Bross Schreibgeraet, insbesondere dochtbzw. faserschreibgeraet od.dgl
JPS5079531U (da) * 1973-11-26 1975-07-09
US3945734A (en) * 1975-05-19 1976-03-23 Woodbridge Richard C Self capping liquid applicators
IT8353502V0 (it) * 1983-06-27 1983-06-27 Piquillo Giorgio Strumento di scrittura manuale con punta scrivente mobile automatica mente per effetto dell impugnamento dello strumento
DE3518069A1 (de) * 1983-11-18 1986-11-20 Götz-Ulrich 8000 München Wittek Schreibgeraet
JPS62183398A (ja) * 1986-02-07 1987-08-11 株式会社　寿 ノツク式筆記具
DE3639592C2 (de) * 1986-11-20 1996-01-18 Josef Krampe Schreibgerät, insbesondere Kugelschreiber
DE8709048U1 (de) * 1987-07-01 1987-11-12 Halm, Hans, 4690 Herne Schreib- und Zeichengerät

Also Published As

Publication number Publication date
JPH04506189A (ja) 1992-10-29
WO1990009288A1 (de) 1990-08-23
DK0458905T3 (da) 1995-06-12
EP0458905A1 (de) 1991-12-04
DE3904578C2 (da) 1991-09-12
AU651793B2 (en) 1994-08-04
CA2045668A1 (en) 1990-08-16
DE3904578A1 (de) 1990-08-16
AU5177890A (en) 1990-09-05
ES2069737T3 (es) 1995-05-16
DE59008262D1 (de) 1995-02-23
JP2525690B2 (ja) 1996-08-21
BR9007123A (pt) 1991-11-05
ATE116910T1 (de) 1995-01-15
DD297793A5 (de) 1992-01-23

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