EP1379395A1 - Pen with detachable means for extracting nib and method of extracting nib using said means - Google Patents

Pen with detachable means for extracting nib and method of extracting nib using said means

Info

Publication number
EP1379395A1
EP1379395A1 EP02720717A EP02720717A EP1379395A1 EP 1379395 A1 EP1379395 A1 EP 1379395A1 EP 02720717 A EP02720717 A EP 02720717A EP 02720717 A EP02720717 A EP 02720717A EP 1379395 A1 EP1379395 A1 EP 1379395A1
Authority
EP
European Patent Office
Prior art keywords
pen
hole
clip
point
pen point
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.)
Granted
Application number
EP02720717A
Other languages
German (de)
French (fr)
Other versions
EP1379395B1 (en
Inventor
Johan Berhin
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.)
Anoto AB
Original Assignee
Anoto AB
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 Anoto AB filed Critical Anoto AB
Publication of EP1379395A1 publication Critical patent/EP1379395A1/en
Application granted granted Critical
Publication of EP1379395B1 publication Critical patent/EP1379395B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K13/00—Devices for removing nibs; Devices for cleaning nibs, e.g. by wiping
    • B43K13/005—Devices for removing nibs; Devices for cleaning nibs, e.g. by wiping for extracting nibs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K25/00—Attaching writing implements to wearing apparel or objects involving constructional changes of the implements
    • B43K25/02—Clips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K25/00—Attaching writing implements to wearing apparel or objects involving constructional changes of the implements
    • B43K25/02—Clips
    • B43K25/028—Clips combined with means for propelling, projecting or retracting the writing unit

Definitions

  • Pen with detachable means for extracting nib and method of extracting nib using said means Pen with detachable means for extracting nib and method of extracting nib using said means.
  • the invention relates to a pen of the type stated in the preamble to claims 1 and 19. Moreover the invention relates to a method for removing a pen point according to the preamble to claim 16 and a clip according to the preamble to claim 20.
  • a type of pen which occurs frequently on the market has a pen body with an ink stick which is removably arranged therein and which at its one end has a pen point and is insertable and extractable through the open end of the pen body.
  • An ink cartridge with a pen point is referred to as ink stick.
  • Access is gained to the ink stick by removing a nose cone which is screwably arranged on the front part of the pen body and which, when being unscrewed, leaves such a long part of the cartridge behind that the user can remove the cartridge by hand from the pen body when, for instance, exchanging the cartridge.
  • the nose cone has a plurality of drawbacks. It must be unscrewed, which makes the exchange of the ink cartridge difficult.
  • US-4,952,088 shows how a clip arranged on the cap of the pen can be used for form-fit engagement with a specially adapted nose cone, the clip/cap serving as a lever to unscrew the nose cone from the pen body.
  • a problem of the clip according to US-4,952,088 is that the pen point must be specially designed or alternatively must be combined with a nose cone.
  • EP-0 657 301 Al shows how a pen point can be extracted from a pen body with the aid of an engaging means arranged on the cap.
  • the engaging means is designed for form-fit engagement with a specially adapted groove in an adaptor sleeve mounted around the pen point .
  • sensors can be arranged in the pen for determining its position, for instance acceleration sensors, as disclosed in US-A-5 , 34 , 371 and US-A-6, 130, 666, optical sensors, as described in US-A- 5,294,792, US-A-5 , 852 , 434 and WO 00/73983, pressure sensors, as described in US-A-6, 104 , 388 , or mechanical sensors, as described in US-A-5 , 294 , 792 and US-A- 6,130,666.
  • acceleration sensors as disclosed in US-A-5 , 34 , 371 and US-A-6, 130, 666
  • optical sensors as described in US-A- 5,294,792
  • US-A-5 , 852 , 434 and WO 00/73983 pressure sensors, as described in US-A-6, 104 , 388
  • mechanical sensors as described in US-A-5 , 294 , 792 and US-A- 6,130,666.
  • the pen body of such digital pens is frequently designed to prevent access to the interior of the pen and the sensitive components therein.
  • the ink stick is therefore inserted into a duct extending into the pen body from its writing end.
  • the present invention relates to a pen of the type described by way of introduction, which solves the above problems, the pen having obtained the features as defined in the respective characterising clauses of claims 1 and 19.
  • the present invention further relates to a method for removing a pen point of the type described above, the method having obtained the features as defined in the characterising clause of claim 16.
  • the present invention also relates to a clip for holding a pen of the type described above when carried in a user's pocket, the clip having obtained the features as defined in the characterising clause of claim 20.
  • Fig. 1 is a longitudinal sectional view of an embodiment of a pen according to the invention.
  • Figs 2A-2C are side views of releasable clips according to different embodiments of the invention.
  • Fig. 3 is a perspective view of a clip with a hole in its flat side.
  • Figs 4A-C are plan views of clips with holes according to three different embodiments.
  • Figs 5A-5B are a sequence of perspective views to illustrate an embodiment of a method for removing a pen point according to the invention.
  • Fig. 6 is side view of one more embodiment of a pen according to the invention with inner parts indicated by dashed lines.
  • Fig. 7 is a side view of a removable cap according to an embodiment of the invention.
  • Fig. 8 is an end view of a removable cap provided with a clip having a hole for engagement with a pen point.
  • a pen comprising a pen body 1, an ink cartridge arranged in the pen body and having a pen point 3 and a part, such as a clip 4, which is removably arranged on the pen body 1.
  • the ink cartridge 2 and the pen point 3 may form an ink stick which is exchangeable in its entirety.
  • the pen point 3 can be inserted into the ink cartridge 2 and define a distinguishable part, filling of the ink cartridge 2 being allowed after removal of the pen point 3.
  • the pen point 3 or the ink stick in its entirety can be releasably arranged in the pen body 1 in various ways .
  • Such elements may comprise, for instance, flaps, beads etc.
  • a common feature of the following exemplifying embodiments is that they allow squeezing engagement with the pen point, so that the pen point can be extracted from the pen body, for instance for exchanging the ink stick or for filling the ink car- tridge.
  • the application of the pulling force can, via the squeezing engagement, be executed independently of the nature of the pen point. If the pen point has, for instance, an essentially smooth peripheral surface, the squeezing engagement may result in a frictional force which is sufficient to allow application of the pulling force. If the pen point instead has a profiled peripheral surface, the component or components applying squeezing forces may engage arbitrary protrusions, grooves, flaps etc. on the peripheral surface.
  • the clip can be provided with a hole in the form of a through hole .
  • the clip and a protective cap respectively, can be provided with a hole in the form of a blind hole.
  • blind hole is meant a non-through hole.
  • the shown holes in the form of through holes and blind holes may have a constant cross-section in depth. Alternatively, this cross-section may vary (not shown) over the depth of the hole. Thus, the hole can be taper- ing or widening in depth.
  • the openings of a through hole may also be of different configurations, for instance different sizes or shapes.
  • the squeezing engagement can be performed by interaction between two parts, such as a holding part 7 and a counterflange 9 of the clip in
  • the means arranged on the movable part 4 is a hole 5
  • this is formed so that it may be caused, by squeezing action, to engage the pen point 3 for extraction thereof.
  • the hole 5 is dimensioned, so that by exerting a force, for instance a fric- tional force, it may temporarily hold the pen point 3 to allow removal thereof from the pen body.
  • the hole may have different shapes.
  • a simple embodiment is shown in Fig. 3, where the hole is essentially circular.
  • the hole is elongate and has wedge-shaped end portions.
  • the hole is formed as a triangle
  • the hole has the form of a "keyhole" .
  • a hole 5 as described above can be used to remove the pen point 3 , and thus optionally the entire ink stick, from the pen body.
  • the pen point 3 is caused to engage in the hole 5 by inclination/angling of these two relative to each other.
  • step B the pen point 3 is placed in the hole.
  • step C the pen body is angled so that the pen point 3 is fastened in the hole 5, and in step D the pen point/ ink stick is extracted.
  • the actions that are taken in step C are modifiable according to the appearance of function of the hole.
  • the engagement between the clip and the pen point may be used to remove the latter by unscrewing it from the pen body.
  • the clip 4 may be formed as a separate elongate holding part 7 (Fig. 2) , which at one end is attached to the pen body or a protective cap and which at its other end possibly has a bend 6 or bead which acts to better hold the pen in place when carried, for instance, in a user's pocket.
  • the elongate holding part 7 of the clip may be elongate, for instance rectangular, in cross- section, so that a flat side is formed, as is evident from Figs 3-5.
  • the clip has a fixing flange 8, which makes an angle with the elongate holding part 7 of the clip.
  • the angle may be right, but other, larger or smaller, angles are feasible.
  • the fixing flange 8 can be releasably anchored to the pen body 1 at the rear end thereof, for instance by means of a screw, a locking pin, a snap connection, via a press fit or some other fixing means having an equivalent function.
  • the fixing flange 8 may correspondingly be releasably anchored in a groove extending transversely of the longitudinal direction of the pen, which groove may be formed in the pen body 1 or the protective cap 11.
  • the hole 5 in the fixing flange 8 has a hole 5 in the fixing flange 8 , in the form of a through hole or a blind hole for the above engagement with the pen point 3.
  • the hole 5 may be formed in the holding part 7.
  • a counterflange 9 can be arranged, as shown in Fig. 2B, to extend under the bend 6 of the clip at a distance therefrom and be connected with the holding part 7, possibly via a fixing flange 8 as described above.
  • the pen point When removing the pen point/ ink stick, the pen point is inserted into a variable gap 10 which is defined between the bend 6 of the clip and the counterflange 9, the engagement being provided by pressing together the bend 6 of the clip and the counter- flange 9, like the jaws of a pair of pliers or the legs of a pair of tweezers.
  • the bend 6 of the clip can be formed in various ways, to provide a desired squeezing effect and to improve the holding of the pen when carried, for instance, in a pocket.
  • a projection may be arranged adjacent to the gap, on the holding part 7 and/or on the counterflange 9, the engagement being performed or facilitated by means of this projection, which may have, for instance, a sharp edge, a hole of a shape adapted to the general cross-section of pen points, etc.
  • a variable gap may be formed in the flat side of the clip.
  • a hole of the type shown in Fig. 4A may serve as such a gap, with a suitable selection of material and material thickness around the hole.
  • a hole 5 in the form of a blind hole in the clip, so formed that the pen point 3 can be caused to engage the boundary surfaces of the hole.
  • the hole may have a cross-section varying in depth.
  • a pen according to the invention is shown, in which the part 4, which is removably arranged on the pen body 1, is a protective gap 11 with a clip 4.
  • This clip may, like in the embodiments described with reference to Figs 1-4, have a hole 5 on its flat side in the form of one or more through holes or blind holes.
  • Such a clip may be formed in one piece with the protective cap 11, or as a separate part .
  • An alternative is shown in Fig. 7, viz. a cap 11 with an engaging hole 5 in its one, normally closed end. It will be appreciated that the hole 5 can either be a blind hole or a through hole, and that the hole 5 can be arranged in an arbitrary position in the cap 11.
  • a projection with a hole 5 for engaging the pen point project- ing from the pen body there may be formed according to a further alternative, on the underside of the clip 4 at its distal end, a projection with a hole 5 for engaging the pen point project- ing from the pen body.
  • the projection can be formed on the pen body to define said hole 5.
  • the pen point can be inserted into the hole 5, after which the cap 11 and the pen body 1 are angled to each other to provide the engagement similarly to the above embodiments involving a through hole or a blind hole .
  • a variable cap may be formed between the clip 4 and the cap 11, for instance at the distal end of the cap as illustrated in Fig. 8, or along the extent of the clip along the peripheral surface of the cap (cf. the space between the clip and the cap in the side view in Fig. 6) .
  • this is inserted into the gap, from the short side or long side of the cap, after which the user can press the clip against the cap to provide the squeezing engagement with the pen point, like the jaws of a pair of pliers or the legs of a pair of tweezers.
  • a pro- jection can be formed adjacent to the gap, on the clip and/or on the cap, the engagement being provided or facilitated by means of this projection, which may have, for instance, a sharp edge, a hole of a shape adapted to the general cross-section of pen points, etc.

Abstract

A pen is described, comprising a pen body (1) and a pen point (3) releasably arranged in the pen body, and a part (4) which is removably arranged on the pen body (1). The part (4) is arranged for squeezing engagement with the pen point (3), for removing the same by the action of forces between the part (4) and the pen point (3). A method for removing the pen point and a clip for holding the pen are also described.

Description

Pen with detachable means for extracting nib and method of extracting nib using said means.
Field of the Invention
The invention relates to a pen of the type stated in the preamble to claims 1 and 19. Moreover the invention relates to a method for removing a pen point according to the preamble to claim 16 and a clip according to the preamble to claim 20. Background Art
A type of pen which occurs frequently on the market has a pen body with an ink stick which is removably arranged therein and which at its one end has a pen point and is insertable and extractable through the open end of the pen body. An ink cartridge with a pen point is referred to as ink stick. Access is gained to the ink stick by removing a nose cone which is screwably arranged on the front part of the pen body and which, when being unscrewed, leaves such a long part of the cartridge behind that the user can remove the cartridge by hand from the pen body when, for instance, exchanging the cartridge. The nose cone has a plurality of drawbacks. It must be unscrewed, which makes the exchange of the ink cartridge difficult. The nose cone is a loose part which can easily be lost when exchanging the ink cartridge . Moreover the nose cone makes the manufacture of the pen more expensive. US-4,952,088 shows how a clip arranged on the cap of the pen can be used for form-fit engagement with a specially adapted nose cone, the clip/cap serving as a lever to unscrew the nose cone from the pen body. A problem of the clip according to US-4,952,088 is that the pen point must be specially designed or alternatively must be combined with a nose cone. Moreover, the possibilities of designing the pen are limited by the construction of the clip. EP-0 657 301 Al shows how a pen point can be extracted from a pen body with the aid of an engaging means arranged on the cap. The engaging means is designed for form-fit engagement with a specially adapted groove in an adaptor sleeve mounted around the pen point . Some problems of the engaging means according to EP-0 657 301 Al are its restriction of the possibilities of designing the pen, the risk of it getting stuck, for instance, in the user's clothes, and the necessary coope- ration with a specially adapted adaptor sleeve.
Besides conventional writing materials, also so-called digital pens have recently been developed, which contain sensors and electronics for digital recording of what is being written by means of the pen on a base. Different types of sensors can be arranged in the pen for determining its position, for instance acceleration sensors, as disclosed in US-A-5 , 34 , 371 and US-A-6, 130, 666, optical sensors, as described in US-A- 5,294,792, US-A-5 , 852 , 434 and WO 00/73983, pressure sensors, as described in US-A-6, 104 , 388 , or mechanical sensors, as described in US-A-5 , 294 , 792 and US-A- 6,130,666. For reasons of security, the pen body of such digital pens is frequently designed to prevent access to the interior of the pen and the sensitive components therein. The ink stick is therefore inserted into a duct extending into the pen body from its writing end. Like in ordinary pens of this type, it is difficult for the user to exchange the ink stick, whether the pen has a nose cone or not . Summary of the Invention
Thus the present invention relates to a pen of the type described by way of introduction, which solves the above problems, the pen having obtained the features as defined in the respective characterising clauses of claims 1 and 19.
The present invention further relates to a method for removing a pen point of the type described above, the method having obtained the features as defined in the characterising clause of claim 16.
The present invention also relates to a clip for holding a pen of the type described above when carried in a user's pocket, the clip having obtained the features as defined in the characterising clause of claim 20. Brief Description of the Drawings
Embodiments of the invention according to its different aspects are evident from the dependent claims and the following description, reference being made to accompanying schematic drawings .
Fig. 1 is a longitudinal sectional view of an embodiment of a pen according to the invention.
Figs 2A-2C are side views of releasable clips according to different embodiments of the invention.
Fig. 3 is a perspective view of a clip with a hole in its flat side.
Figs 4A-C are plan views of clips with holes according to three different embodiments. Figs 5A-5B are a sequence of perspective views to illustrate an embodiment of a method for removing a pen point according to the invention.
Fig. 6 is side view of one more embodiment of a pen according to the invention with inner parts indicated by dashed lines.
Fig. 7 is a side view of a removable cap according to an embodiment of the invention.
Fig. 8 is an end view of a removable cap provided with a clip having a hole for engagement with a pen point.
Detailed Description of Embodiments of the Invention
With reference to Fig. 1, an embodiment of a pen according to the invention is shown, comprising a pen body 1, an ink cartridge arranged in the pen body and having a pen point 3 and a part, such as a clip 4, which is removably arranged on the pen body 1. The ink cartridge 2 and the pen point 3 may form an ink stick which is exchangeable in its entirety. Alternatively, the pen point 3 can be inserted into the ink cartridge 2 and define a distinguishable part, filling of the ink cartridge 2 being allowed after removal of the pen point 3.
In the embodiment according to Fig. 1, the pen point 3 or the ink stick in its entirety can be releasably arranged in the pen body 1 in various ways . According to one embodiment, it is possible to use some kind of fit between complementary elements which may be arranged projecting from the inner wall of the pen body 1 and/or from the pen point/ink stick, and which may cooperate to cause locking or anchoring of the pen point or ink stick, which anchoring can be released under the action of a pulling force exerted on the pen point 3. Such elements may comprise, for instance, flaps, beads etc. Alternatively, it is possible to form the inside of the pen body so that the pen point or ink stick is kept in place by press fit, which can also be neutralised under the action of a pulling force.
Various examples of means for adequate exertion of the above-mentioned pulling force follow below. In all cases, these means are included in a part which is remov- ably arranged on the pen body 1. A common feature of the following exemplifying embodiments is that they allow squeezing engagement with the pen point, so that the pen point can be extracted from the pen body, for instance for exchanging the ink stick or for filling the ink car- tridge. The application of the pulling force can, via the squeezing engagement, be executed independently of the nature of the pen point. If the pen point has, for instance, an essentially smooth peripheral surface, the squeezing engagement may result in a frictional force which is sufficient to allow application of the pulling force. If the pen point instead has a profiled peripheral surface, the component or components applying squeezing forces may engage arbitrary protrusions, grooves, flaps etc. on the peripheral surface.
The accompanying drawings illustrate several examples of how the squeezing engagement can be performed. According to Figs 2A and 3-5, the clip can be provided with a hole in the form of a through hole . According to Figs 2C and 7, the clip and a protective cap, respectively, can be provided with a hole in the form of a blind hole. By "blind hole" is meant a non-through hole.
The shown holes in the form of through holes and blind holes may have a constant cross-section in depth. Alternatively, this cross-section may vary (not shown) over the depth of the hole. Thus, the hole can be taper- ing or widening in depth. The openings of a through hole may also be of different configurations, for instance different sizes or shapes.
According to Figs 2B and 8, the squeezing engagement can be performed by interaction between two parts, such as a holding part 7 and a counterflange 9 of the clip in
Fig. 2B, or the cap 11 and the clip 4 in Fig. 8.
According to the embodiments where the means arranged on the movable part 4 is a hole 5, this is formed so that it may be caused, by squeezing action, to engage the pen point 3 for extraction thereof. The hole 5 is dimensioned, so that by exerting a force, for instance a fric- tional force, it may temporarily hold the pen point 3 to allow removal thereof from the pen body. The hole may have different shapes. A simple embodiment is shown in Fig. 3, where the hole is essentially circular. According to an alternative embodiment, shown in Fig. 4A, the hole is elongate and has wedge-shaped end portions. In the embodiment according to Fig. 4B, the hole is formed as a triangle, and in the embodiment according to Fig. 4C, the hole has the form of a "keyhole" .
With reference to Fig. 5, it is shown how a hole 5 as described above can be used to remove the pen point 3 , and thus optionally the entire ink stick, from the pen body. The pen point 3 is caused to engage in the hole 5 by inclination/angling of these two relative to each other. In step B, the pen point 3 is placed in the hole. In step C, the pen body is angled so that the pen point 3 is fastened in the hole 5, and in step D the pen point/ ink stick is extracted. The actions that are taken in step C are modifiable according to the appearance of function of the hole. The engagement between the clip and the pen point may be used to remove the latter by unscrewing it from the pen body.
The clip 4 may be formed as a separate elongate holding part 7 (Fig. 2) , which at one end is attached to the pen body or a protective cap and which at its other end possibly has a bend 6 or bead which acts to better hold the pen in place when carried, for instance, in a user's pocket. The elongate holding part 7 of the clip may be elongate, for instance rectangular, in cross- section, so that a flat side is formed, as is evident from Figs 3-5.
According to an embodiment, which is shown in Fig. 2A, the clip has a fixing flange 8, which makes an angle with the elongate holding part 7 of the clip. The angle may be right, but other, larger or smaller, angles are feasible. The fixing flange 8 can be releasably anchored to the pen body 1 at the rear end thereof, for instance by means of a screw, a locking pin, a snap connection, via a press fit or some other fixing means having an equivalent function. Alternatively, the fixing flange 8 may correspondingly be releasably anchored in a groove extending transversely of the longitudinal direction of the pen, which groove may be formed in the pen body 1 or the protective cap 11. The clip in Fig. 2A has a hole 5 in the fixing flange 8 , in the form of a through hole or a blind hole for the above engagement with the pen point 3. Alternatively (not shown) , the hole 5 may be formed in the holding part 7. As an alternative to the hole, a counterflange 9 can be arranged, as shown in Fig. 2B, to extend under the bend 6 of the clip at a distance therefrom and be connected with the holding part 7, possibly via a fixing flange 8 as described above. When removing the pen point/ ink stick, the pen point is inserted into a variable gap 10 which is defined between the bend 6 of the clip and the counterflange 9, the engagement being provided by pressing together the bend 6 of the clip and the counter- flange 9, like the jaws of a pair of pliers or the legs of a pair of tweezers. It will be appreciated that the bend 6 of the clip can be formed in various ways, to provide a desired squeezing effect and to improve the holding of the pen when carried, for instance, in a pocket. According to an embodiment (not shown) , a projection may be arranged adjacent to the gap, on the holding part 7 and/or on the counterflange 9, the engagement being performed or facilitated by means of this projection, which may have, for instance, a sharp edge, a hole of a shape adapted to the general cross-section of pen points, etc.
According to another variant, a variable gap may be formed in the flat side of the clip. For instance, a hole of the type shown in Fig. 4A may serve as such a gap, with a suitable selection of material and material thickness around the hole.
According to an embodiment as shown in Fig. 2C, there is a hole 5 in the form of a blind hole in the clip, so formed that the pen point 3 can be caused to engage the boundary surfaces of the hole. Also in this embodiment, the hole may have a cross-section varying in depth.
With reference to Fig. 6, one more embodiment of a pen according to the invention is shown, in which the part 4, which is removably arranged on the pen body 1, is a protective gap 11 with a clip 4. This clip may, like in the embodiments described with reference to Figs 1-4, have a hole 5 on its flat side in the form of one or more through holes or blind holes. Such a clip may be formed in one piece with the protective cap 11, or as a separate part . An alternative is shown in Fig. 7, viz. a cap 11 with an engaging hole 5 in its one, normally closed end. It will be appreciated that the hole 5 can either be a blind hole or a through hole, and that the hole 5 can be arranged in an arbitrary position in the cap 11. With reference to Fig. 8, which shows one end of a cap with a clip 4, seen from the open end of the cap, there may be formed according to a further alternative, on the underside of the clip 4 at its distal end, a projection with a hole 5 for engaging the pen point project- ing from the pen body. Alternatively or besides (not shown) , the projection can be formed on the pen body to define said hole 5. For removing the pen point or the ink stick, the pen point can be inserted into the hole 5, after which the cap 11 and the pen body 1 are angled to each other to provide the engagement similarly to the above embodiments involving a through hole or a blind hole .
According to an alternative to the embodiment in Fig. 8, a variable cap may be formed between the clip 4 and the cap 11, for instance at the distal end of the cap as illustrated in Fig. 8, or along the extent of the clip along the peripheral surface of the cap (cf. the space between the clip and the cap in the side view in Fig. 6) . In order to remove the pen point, this is inserted into the gap, from the short side or long side of the cap, after which the user can press the clip against the cap to provide the squeezing engagement with the pen point, like the jaws of a pair of pliers or the legs of a pair of tweezers. According to one variant (not shown), a pro- jection can be formed adjacent to the gap, on the clip and/or on the cap, the engagement being provided or facilitated by means of this projection, which may have, for instance, a sharp edge, a hole of a shape adapted to the general cross-section of pen points, etc.
Finally, it should be emphasised that the invention is not limited to the embodiments described and may be varied within the scope of the appended claims.

Claims

1. A pen comprising a pen body (1) and a pen point (3) releasably arranged in the pen body, and a part (4) removably arranged on the pen body (1) , c h a r a c t e r i s e d in that the part (4) is arranged for squeezing engagement with the pen point (3) , for removing the same by the action of forces between the part (4) and said pen point (3) .
2. A pen as claimed in claim 1, c h a r a c t e r i s e d in that the pen point (3) together with an ink cartridge (2) forms an ink stick, which is arranged to be removed from the pen as the pen point (3) is being removed.
3. A pen as claimed in claim 1 or 2 , c ha r a c t e r i s e d in that the part (4) has a hole (5) having the form of a through hole or a blind hole and which is arranged for the squeezing engagement with the pen point (3) .
4. A pen as claimed in any one of claims 1-3, c h a r a c t e r i s e d in that the part (4) is a clip or a cap (11) protecting the pen point (3) .
5. A pen as claimed in claims 3 and 4, c h a r - a c t e r i s e d in that the hole (5) is a through hole on the flat side of the clip (4) .
6. A pen as claimed in claim 5, c h a r a c t e r i s e d in that the hole is elongate.
7. A pen as claimed in claim 5, c h a r a c t e r - i s e d in that the hole is triangular.
8. A pen as claimed in claim 5, c h a r a c t e r i s e d in that the hole has the form of a keyhole.
9. A pen as claimed in claim 1 or 2 , c ha r a c t e r i s e d in that the part (4) comprises a gap between a cap protecting the pen point (3) and a clip arranged on said cap, said gap being arranged for the squeezing engagement with the pen point (3) .
10. A pen as claimed in claim 9, c h a ra c t e r i s e d in that a projection is arranged on the underside of the clip and/or on the cap (4) and partly defines the gap (10) .
11. A pen as claimed in claim 3, c h a r a c t e r i s e d in that the hole (5) is arranged in a cap (11) protecting the pen point (3) .
12. A pen as claimed in claim 1, c ha ra c t e r i s e d in that the part (4) which is removably arranged on the pen body (1) comprises a clip (4) with an elongate holding part (7) extending along a portion of the pen body (1) , and a fixing flange (8) making an angle with the holding part (7) , the fixing flange (8) being releasably arranged on the pen body (1) at the rear end there- of.
13. A pen as claimed in claim 12, c h a r a c t e r i s e d in that a hole (5) is formed in the fixing flange (8) in the form of a through hole or a blind hole for said engagement with the pen point (3) .
14. A pen as claimed in claim 1, c h a r a c t e r i s e d in that the part (4) which is removably arranged on the pen body (1) comprises a clip with an elongate holding part (7) and, connected therewith, a counter- flange (9) , which between them form a gap (10) which is arranged for the squeezing engagement with the pen point (3) .
15. A pen as claimed in claim 14, c h a r a c t e r i s e d in that the holding part (7) and the coun- terflange (9) are capable of being elastically pressed together for the purpose of engaging the pen point (3) by a squeezing action adjacent to the gap (10) .
16. A method for removing a pen point (3) in a pen comprising a pen body (1) and a part (4) removably arranged on the pen body (1), c h a r a c t e r i s e d in that the part (4) by squeezing is caused to engage the pen point (3) for removing the same from the pen body (1) .
17. A method as claimed in claim 16, c h a r a c t e r i s e d in that a clip (4) , which is removably arranged on the pen body (1) and whose flat side has a hole (5) in the form of a through hole or a blind hole, is caused to engage, by means of said hole (5) , the pen point (3) for extraction thereof from the pen body (1) .
18. A method as claimed in claim 16, c h a r a c t e r i s e d in that gap (10) defined between a protective cap (11) which is removably arranged on the pen body (1) and a clip arranged on the protective cap (11) is moved into said engagement with the pen point (3) .
19. A pen comprising a pen body (1) and a pen point
(3) releasably arranged in the pen body (1) , and a part
(4) removably arranged on the pen body (1) , c h a r - a c t e r i s e d in that the part (4) has squeezing means for engaging the pen point (3) , for removing the same by the action of forces between said squeezing means and said pen point (3) .
20. A clip for holding a pen when carried in a user's pocket, c h a r a c t e r i s e d by an engaging means for squeezing engagement with a pen point (3) arranged in the pen body (1) , for removing the same from the pen body (1) by the action of forces between the engaging means and the pen point (3) .
21. A clip a claimed in claim 20, c h a r a c t e r i s e d by a fixing means for releasable fixing of the clip to a pen body.
EP02720717A 2001-04-09 2002-04-08 Pen with detachable means for extracting nib and method of extracting nib using said means Expired - Lifetime EP1379395B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0101242 2001-04-09
SE0101242A SE519436C2 (en) 2001-04-09 2001-04-09 Pen with detachable means arranged on the pen for replacement of ink pens provided in the pen, as well as a method for pin replacement
PCT/SE2002/000690 WO2002081230A1 (en) 2001-04-09 2002-04-08 Pen with detachable means for extracting nib and method of extracting nib using said means

Publications (2)

Publication Number Publication Date
EP1379395A1 true EP1379395A1 (en) 2004-01-14
EP1379395B1 EP1379395B1 (en) 2010-06-30

Family

ID=20283711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02720717A Expired - Lifetime EP1379395B1 (en) 2001-04-09 2002-04-08 Pen with detachable means for extracting nib and method of extracting nib using said means

Country Status (5)

Country Link
EP (1) EP1379395B1 (en)
AT (1) ATE472416T1 (en)
DE (1) DE60236856D1 (en)
SE (1) SE519436C2 (en)
WO (1) WO2002081230A1 (en)

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US5288709A (en) * 1989-03-28 1994-02-22 Abbott Laboratories Erythromycin derivatives

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US11714501B2 (en) 2019-07-25 2023-08-01 Hewlett-Packard Development Company, L.P. Digital pen holder

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Also Published As

Publication number Publication date
SE519436C2 (en) 2003-02-25
ATE472416T1 (en) 2010-07-15
SE0101242D0 (en) 2001-04-09
WO2002081230A1 (en) 2002-10-17
SE0101242L (en) 2002-10-10
DE60236856D1 (en) 2010-08-12
EP1379395B1 (en) 2010-06-30

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