WO2005113255A1 - ボールペン式筆記具 - Google Patents
ボールペン式筆記具 Download PDFInfo
- Publication number
- WO2005113255A1 WO2005113255A1 PCT/JP2005/009423 JP2005009423W WO2005113255A1 WO 2005113255 A1 WO2005113255 A1 WO 2005113255A1 JP 2005009423 W JP2005009423 W JP 2005009423W WO 2005113255 A1 WO2005113255 A1 WO 2005113255A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pen
- ink
- ball
- tip
- point
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K1/00—Nibs; Writing-points
- B43K1/08—Nibs; Writing-points with ball points; Balls or ball beds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K7/00—Ball-point pens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K7/00—Ball-point pens
- B43K7/10—Arrangements for feeding ink to the ball points
Definitions
- the present invention relates to a ball-point pen-type writing instrument provided with a protruding ball-point pen holder that rollably holds a ball at a tip of a plate surface of a plate-shaped pen tip portion.
- the limit writing angle at which the swaged part of the ball-point pen holder holding the ball in a rollable manner contacts the paper surface is set at about 45 ° to 50 °.
- the swaged portion of the ball-bend holder will pull on the surface of the paper and the writing tends to be poor.
- the swaged portion is gradually worn as the swaged portion is rubbed against the sheet of paper, and the deformation of the swaged portion hinders the rolling of the ball, making it impossible to write. In the worst case, the swaged portion is broken. As a result, the ball may fall off and the surrounding area may be stained with ink.
- the pen disclosed in Japanese Utility Model Publication No. 59-014235 is a fountain pen with a ball at the tip of the pen so that the ball can be rolled.
- An ink passage reaching the tip is formed in the gap between the plates, and they are superimposed and mounted on the shaft cylinder.
- a ball seat is provided at the tip of the upper plate, and a ball seat is provided at the tip of the lower plate.
- a ball holding section is provided, and a part of the ball is exposed inside the ball holding section so as to be held so as to be able to transfer.
- the pen has the drawback that the ballpoint pen tip of a conventional ballpoint pen is rigid and the finger is tired due to prolonged use when writing because the elasticity is quite low.On the other hand, the pen has elasticity like a pen tip of a fountain pen. It is possible to make it.
- the pen can be manufactured by pressing a ball material such as stainless steel using a die and a punch or by injection molding a synthetic resin to form the ball holding portion of the lower plate.
- the ball is inserted upward by force into the ball holding portion of the lower plate that has been pretensioned, and the upper plate is further superimposed on the lower plate so that the ball cannot escape from the ball holding portion. After that, the upper plate and the lower plate are fixed so as to form a desired gap as an ink passage.
- the writing implement main body axis is inclined with respect to the writing surface by bending a tip pipe portion that encloses the ball. Even when writing in this state, the tip of the writing is close to a right angle to the writing surface, making contact with the writing surface, making it possible to write smoothly.
- the ballpoint pen disclosed in Japanese Utility Model Publication No. 59-014235 discloses the effect of displacement of the joint between the upper plate and the lower plate when the tip of the ball is elastically deformed, and the influence of impact and the like. Therefore, the flow of ink in the ink passage may be cut, and writing may not be possible due to running out of ink.
- the ballpoint pen type writing implement disclosed in Japanese Utility Model Laid-Open No. 3-129485 is not a so-called pen type. However, it is difficult to instantly recognize the direction in which the pen tip is thin and bent, and re-grip of the pen becomes considerably complicated.
- writing can be performed smoothly even when writing is performed in a state where the pen shaft is inclined at a predetermined angle or less, for example, 50 ° or less with respect to a writing surface, and the pen shaft is gripped again during writing.
- a predetermined angle or less for example, 50 ° or less with respect to a writing surface
- the present invention has the following configurations to achieve the above object.
- the ball-point pen-type writing instrument is a ball-point pen-type writing instrument in which a protruding ball-point pen holder that rotatably holds a ball is provided at the tip of the plate surface of the plate-shaped pen tip portion.
- a pen shaft provided, a pen tip base member provided at a tip of the pen shaft, and a plate-shaped pen tip portion having an inner surface fixed and a tip end elastically displaceable on one surface side of the pen tip base member.
- a ball-point pen holder provided at an outer end of the plate-shaped pen tip portion, and an ink guide core having a capillary action provided from the ink storage portion to the pen tip base member;
- the leading end of the guide core is provided in close contact with the rear end of the ball-point pen holder, and conducts ink to the ball-point holder.
- the present invention is configured as described above, even if the pen shaft is re-grip during writing, the direction of the pen tip can be naturally adjusted while looking at the pen tip like a fountain pen, and The leading end of the guide wick is provided in close contact with the rear end of the ball-point pen holder, and the ink guide wick is used to conduct ink from the ink container to the ball-point pen holder. It is not impossible to write.
- the ink guide wick is connected to the wick that conducts ink from the ink storage portion, is connected to the wick, is in close contact with the inner surface of the tip of the plate-shaped pen tip, and is provided at the rear end of the ball-point pen holder.
- it consists of an intimate core.
- the ball-point pen-type writing instrument is a ball having a protruding ball-point pen holder provided so as to rollably hold a ball at a tip end of a plate-like pen tip.
- a pen-type writing instrument a pen shaft provided with an ink storage portion, a nib base member provided at the tip of the pen shaft, and extending forward along the surface of the nib base member and bent from a predetermined position and appropriately bent
- an ink guiding means provided on the pen tip base member and the plate-shaped pen tip portion for conducting ink from the ink storing section, and the ink is transferred from the ink storing section to the ballpoint pen holder via the ink guiding means. It is characterized by conduction.
- the plate-shaped pen tip portion extends forward along the surface of the pen tip base member, bends at a predetermined position, and has an inclined surface having an appropriate angle.
- a ballpoint pen holder provided on the tip side of the inclined surface so as to be substantially perpendicular to the inclined surface; and an ink storage portion provided on the pen point base member and the plate-shaped pen point section. Since ink penetrating means for conducting ink from the writing surface is provided, writing can be performed smoothly even when writing is performed with the pen shaft inclined at a predetermined angle or less with respect to the writing surface.
- the plate-shaped pen tip portion has an inner surface fixed to one surface side of the pen tip base member, extends forward along the surface of the pen tip base member, and bends from a predetermined position to be appropriately bent. It is desirable to have an angled slope.
- the plate-shaped pen tip portion may be formed integrally with the pen tip base member, extend forward along the surface of the pen tip base member, bend at a predetermined position, and have an inclined surface having an appropriate angle. desirable.
- the ink guiding means is provided on the ink guide core having a capillary action provided from the ink storage section to the pen tip base member, and on a surface of the pen tip base member opposite to the pen tip portion. It is desirable that the ink guide groove be formed up to the vicinity of the rear end of the inner hole of the ball-point pen holder, and that a part of the leading end of the ink guide core be formed so as to face the ink guide groove.
- the ink guide groove has a groove formed on the surface of the pen tip base member opposite to the pen tip portion, and the upper surface thereof is sealed with a film-shaped seal so that the ink guide portion is formed. Airtight It is desirable that it was provided.
- writing can be performed smoothly even when writing is performed in a state where the pen shaft is inclined at a predetermined angle or less, for example, 50 ° or less with respect to a writing surface.
- a ballpoint pen-type writing instrument that allows you to naturally adjust the orientation of the pen tip while looking at the pen tip as if using a fountain pen, and that the ink flow would not be cut off and the writing would not be disabled. Can be obtained.
- FIG. 1 to FIG. 25 show an embodiment of a ball-point pen-type writing instrument according to the present invention.
- the writing implement structure for supplying ink to the pen tip is basically known in general, so that its structure will be described only schematically.
- FIG. 1 to FIG. 7 show a first embodiment.
- the pen tip 1 is fixed to the tip of a pen shaft 9 via a joint 10, and a large number of fins connected to the rear end of the pen tip 1 in the pen shaft 9. Is fixed!
- the inside of the pen shaft 9 behind the rear end of the ink holding body 8 is formed as an ink storage portion 9a, and the rear end of the pen shaft 9 is closed.
- the ink guide core 6 is inserted into the shaft center of the ink holding body 8, and the rear end of the ink guide core 6 is provided so as to protrude into the ink storage portion 9a as appropriate.
- the pen tip 1 is configured as follows.
- a plate-like tip portion 4 made of a thin plate such as stainless steel is fixed to one surface of the pen tip base member 2 having a substantially rectangular shaft shape. As shown in FIG. 3, a hook-shaped engaging portion 4b formed on the rear end side of the plate-shaped pen nib 4 is engaged with a step 2a provided on the pen nib base member 2. Therefore, the pen tip portion 4 is fixed to the pen tip base member 2.
- the tip of the plate-shaped pen tip 4 can be displaced by panel elasticity, A protruding ball-point pen holder 4a holding the ball 5 in a rotatable manner is provided at the tip of the outer surface side of the tip portion 4!
- the plate-like pen tip portion 4 extends forward along the substantially flat surface of the pen tip base member 2, and a predetermined point force is also bent to form an inclined surface 4c having an appropriate angle.
- the rudder 4a is provided on the tip side of the inclined surface 4c so as to be substantially perpendicular to the inclined surface 4c.
- a hole is provided in the axis of the pen point base member 2, and the tip of the hole is formed in the plate-shaped pen point portion.
- An ink guide core tip 7 is provided in the recess. Further, an ink guide core rear core 6 is inserted into a hole provided in the axis of the pen tip base member 2, and the leading end thereof is connected to the rear end of the ink guide core tip core 7 so as to conduct ink. T!
- the plate-shaped pen tip portion 4 comes into contact with the ink guide lead tip 7 with the inner surface of the inclined surface 4c appropriately pressed, and the ink guide lead tip 7 comes into close contact with the rear end of the ballpoint pen holder 4a. It is provided as follows.
- a plate-shaped cover 3 made of a thin plate such as a curved stainless steel is fixed to the other surface side of the pen point base member 2.
- the plate-like cover 3 plays an effective role as a display plate for instantly recognizing the direction of the ball-point pen holder 4a and a decorative plate as a pen point.
- the plate-shaped cover 3 also has a role of positioning and fixing the pen tip 1 to the joint 10. Therefore, the plate-like cover 3 can be formed into various shapes, but for example, a plate that resembles a pen tip of a fountain pen is preferable.
- a protruding small cylindrical portion is formed by a plastic press such as a precision press, and a ball receiving seat is formed or the ball is dropped off by secondary processing.
- a caulking for prevention is performed, and the ball 5 is rotatably mounted at the tip.
- a protruding small cylinder portion is formed on the plate portion of the plate-shaped pen tip portion 4, the ball 5 is inserted into the hole portion, and a required portion is formed from above the plate portion.
- Punch caulking is performed at the location, and a ball receiving seat 4g is formed together with a ball holding portion 4d for retaining the ball.
- the ball holding portion side force hits the ball to form minute vertical play of the ball, thereby forming a gap through which ink flows. It should be noted that it is also possible to set so that vertical play is formed when the above-mentioned swaging is performed.
- an ink retaining body 8 is provided at the rear end of the pen tip 1. That is, the pen point base member 2 and the ink retaining body 8 are formed as an integral resin molded product. Of course, it can also be connected by two parts. Further, the ink guide core rear core 6 is provided so as to communicate the axis of the ink reservoir 8 with the hole provided in the axis of the pen tip base member 2.
- the ink guide core is desirably provided separately from the ink conduction mechanism ⁇ the arrangement shape force, the ink guide core rear core 6 and the ink guide core front core 7, but it is of course possible to provide them integrally.
- the ink guide core tip core 7 is an elastic body.
- the ink guide core is a polymer foam such as a sponge, a porous rubber body known as a permeation mark, a nonwoven fabric, a felt, a solidified fiber bundle with a resin, a sintered body of a metal, ceramic, or a polymer.
- a porous body that can guide the ink by capillary action, a rod-shaped resin body that can form a capillary action by forming a capillary gap in the axial direction, and the like can be used.
- FIG. 10 shows a state in which writing is performed using the ballpoint pen-type writing instrument of the present invention with the pen shaft 9 inclined at 60 ° with respect to the paper surface 22.
- the inclined surface 4c of the plate-like pen tip is set at 30 ° with respect to the axis of the pen shaft 9, so that the pen When the shaft 9 is tilted at 60 °, the ballpoint pen holder 4a is tilted at 60 ° with respect to the paper surface. If the inclination of the pen shaft 9 with respect to the paper surface 22 is reduced, the inclination of the ball pen holder 4a with respect to the paper surface becomes greater than 60 °.
- the plate-shaped pen tip portion 4 is arranged such that the inner surface of the inclined surface 4c abuts on the ink guide core tip 7 with an appropriate pressing state, and the ink guide core tip 7 comes into close contact with the rear end of the ballpoint pen holder 4a. Since it is provided, even if the parts are not high precision, there is no ink leakage and there is no ink shortage, and ink can be supplied to the ball tip.
- This modified example is characterized in that the pen tip 12 is fixed to the tip of a pen shaft 16 via a joint 14, and a valve body 15 is provided at a predetermined position in the pen shaft 16 at the front end. .
- the valve body 15 is made of, for example, an elastic body such as silicone rubber, has a substantially cylindrical shape, and has a groove 15b formed in the longitudinal direction.
- the inner wall of the ink storage portion 11a has a peripheral surface other than the groove 15b. Side) is close.
- a thin-walled valve portion 15a is formed over the entire periphery of the end of the valve body 15 on the pen tip side, and the outer periphery of the valve body 15a covers the entire periphery of the inner wall of the ink storage portion 11a. Close to.
- the shape of the valve body 15 is not limited to the illustrated shape depending on the specifications of the writing instrument.
- valve portion 15a (valve element 15) that is in close contact with the wall surface of the ink storage portion is slightly deformed and opened by negative pressure accompanying writing, and ink can be supplied to the front side through the groove 15b.
- a plug 17 is provided at the rear end of the ink 11 to follow the consumption of the ink, and the rear end of the pen shaft 16 communicates with the outside air. Tail plugs can be fixed at the rear end considering the ventilation area.
- the plug 17 is made of an elastic material such as silicon rubber.
- a pen tip 18 is fixed to the tip of a pen shaft 20 via a joint 19, and is connected to an ink occluding body 21 connected to the rear end of the ink guide core rear core 6 b inside the pen shaft 20. Show the one that has absorbed the ink.
- a stainless steel curved to the other surface side of the pen point base member 2 is used.
- the plate-like cover 3 made of a thin sheet of metal is fixed is shown, the plate-like cover 3 does not necessarily have to be provided. In this case, it is preferable to form a display on the surface of the pen tip base member for recognizing the direction of the ballpoint pen holder 4a.
- the plate-shaped pen nib is extended forward along the surface of the pen nib base member to form the inclined surface is shown, but the inclined surface is formed.
- the ball-point pen holder should be provided at a proper angle with respect to the tip end surface of the plate-like pen tip.
- the mechanism for retaining ink in the pen shaft to which the pen tip is connected and supplying ink to the pen tip is not limited to the above-described embodiment, and can be used.
- the plate-shaped nib portion 4 fixed to one surface side of the nib base member 2 can be formed by using plastic working such as precision press as described above.
- the material is not limited to a thin plate such as stainless steel, and other metal plates may be used, and may be used after being subjected to plating and coating treatment.
- the plate-shaped pen tip portion 4 can be formed not only of metal but also of a resin molded product. At this time, it is also possible to make the ball-point pen holder only of metal and fix it to the plate-like pen tip by insert molding or secondary processing.
- the plate-like pen tip portion 23 is formed with a cylindrical portion that becomes a ballpoint pen holder 23a in a direction perpendicular to the metal plate portion, and the ball 5 is formed in the hole portion. Is inserted, and a ball receiving seat 23b is formed on the side surface of the cylindrical portion along with the caulking of the ball holding portion 23c for retaining the ball. The tip side force of the portion also hits the ball to form a small vertical play of the ball, thereby forming a gap in which ink flows.
- the plate-like pen tip portion 24 has a ball-point pen holder 25 fixed in a direction perpendicular to the plate portion.
- the fixing means can be eyelets, force crimps, insert molding, or the like.
- the ball 5 is attached to the ball-point pen holder 25, and the ball receiver 25b and the ball
- the ball has a minute vertical play between the holding portions 25a and is provided so as to roll freely.
- the plate portion of the plate-like pen tip portion 24 can be made of metal or resin.
- a ball-point pen holder 26a is formed in a body in a direction perpendicular to the plate portion, the ball 5 is inserted into the hole, and the ball 5 is brought into contact with the back surface of the ball to receive the ball.
- the seat 27 is fixed to the plate portion by caulking or the like.
- the ball receiving seat 27 is provided with a contact portion 27a that contacts the back surface of the ball and an ink inlet 27b.
- the plate-like pen tip portion 26 and the ball receiving seat 27 can be made of metal or resin, and the means for fixing the ball receiving seat 27 can be crimped, welded, or the like. Similarly, the ball has a minute vertical play between the ball receiving seat and the ball holding portion and is provided so as to roll freely.
- the pen tip 31 is fixed to the tip of the pen shaft 39 via the joint 40, and has a number of fins connected to the rear end of the pen tip 31 in the pen shaft 39.
- Ink holder 38 is fixed.
- a rearward force S ink accommodating portion 39a is formed from the rear end of the ink holding body 38, and the rear end of the pen shaft 39 is closed.
- the ink guide core 36 is inserted into the shaft center of the ink holding body 38, and the rear end of the ink guide core 36 is provided so as to protrude into the ink storage portion 39a as appropriate.
- the pen tip 31 is configured as follows.
- a pen point portion 34 is formed on one surface side of the pen point base member 32 having a substantially rectangular axis shape, and a protruding ball-point pen holder 34a holding the ball 35 in a rollable manner is provided on the tip end thereof. Have been.
- the pen tip portion 34 is also bent at a predetermined position of the pen tip base member 32 to form an inclined surface 34b having an appropriate angle.
- the ball-point pen holder 34a is provided on the tip side of the inclined surface 34b so as to be substantially perpendicular to the inclined surface 34b.
- a hole is provided at the axis from the rear end of the pen tip base member 32, and the tip of the hole is formed at the pen tip. It is provided from the bent portion of 34 to the inner surface at the forward position.
- the tip (in the embodiment, formed in a tapered shape) of the ink guide core rear core 36 is attached substantially in contact with the tip of the hole.
- a narrow slit-shaped ink guide groove 32a that allows ink to be guided by a capillary action is formed on the surface of the pen tip base member 32 opposite to the pen tip portion 34.
- the ink guide groove 32a communicates with the hole, and is formed so that a part of the tip of the ink guide core rear core 36 faces.
- the ink guide groove 32a is formed up to the vicinity of the rear end of the inner hole of the ballpoint pen holder 34a.
- the inner hole of the ballpoint pen holder 34a is ink guiding core toe 37 is in close contact with the side force S ink guiding groove 3 2a of arranged by Rutotomoni ink guiding core toe 37.
- the normal internal structure of the ballpoint pen holder 34a is that a ball 35 seated on a receiving seat having a channel (groove) through which ink passes is held, and the ball 35 is almost in close contact with the rear end of the receiving seat.
- a wick 37 is provided.
- the ink guide groove 32a is basically formed by one groove, but may be formed by a plurality of grooves.
- a plate-shaped cover 33 made of a thin plate such as a curved stainless steel is fixed to a surface of the pen-tip base member 32 opposite to the pen-tip portion 34.
- the plate-shaped cover 33 covers the opening of the ink guide groove 32a and the rear end of the ink guide core leading core 37 in a liquid-tight manner (in a state where ink does not leak), so that the ink is covered without impairing the ink guide. There is no danger of dropping out.
- the adhesion of the plate-shaped cover 33 may not be perfect. The complete procedure will be described later.
- the plate-like cover 33 plays an effective role as a display plate for instantly recognizing the direction of the ball-point pen holder 34a and a decorative plate as a pen point. Therefore, it is desirable that the shape of the plate-like cover 33 is an image of a pen point of a fountain pen as an example of a force that can be formed in various ways.
- the plate-shaped cover 33 also plays a role of positioning and fixing the pen tip 31 to the joint 40!
- the pen point base member 32 is usually formed of a resin molded product.
- the pen tip portion 34 is formed integrally with the pen tip base member 32. It is also possible to adhere to the base member 32.
- the ball-point pen holder 34 a is formed by forming a protruding small cylindrical portion using a plastic press such as a precision press to form a secondary press.
- the ball 35 is formed so that the ball receiving seat is formed and the ball 35 is rolled to prevent the ball from falling off.
- a protruding small cylinder portion is formed in the plate portion of the plate-like pen tip portion, a ball is inserted into the hole portion, a force is applied to the upper portion of the plate portion, the ball is caulked at a required position, and the ball holding the ball is prevented.
- a ball seat is formed together with the holding portion. Thereafter, the ball is hit from the ball holding portion side to form minute vertical play of the ball to form a gap through which ink flows.
- the ball-point pen holder 34a can be formed by cutting and fixed to a resin-made pen tip or a metal plate-shaped pen tip.
- the opening of the ink guide groove 32a and the rear end of the ink guide lead tip 37 are air-tightly covered, so that the ink does not lose its inductivity. There is no danger and it is possible to make it more complete.
- the seal body 41 is obtained by sandwiching the seal body 41 between the surface of the pen tip base member 32 opposite to the pen tip portion 34 and the plate-shaped cover 33.
- the seal body 41 can be provided by applying a film to the surface of the pen point base member 32 or the inner surface of the plate-shaped cover 33, or coating the film in a film-like manner.
- the film is made slightly thicker and bonded or welded, it can be formed into a shape which also serves as a plate-like cover.
- the ink holding member 38 is fixedly provided at the rear end of the pen tip 31. That is, the shaft portion 32b at the rear end of the pen point base member 32 is fitted into the inner hole of the shaft portion 38c at the front end of the ink holding body 38.
- the pen tip base member 32 and the ink holder 38 are integrated. It is also possible to form as a resin molded product.
- the ink guide core rear core 36 is provided so as to communicate with the shaft center of the ink holding body 38 and the hole provided in the shaft center of the pen point base member 32.
- the ink guiding core is provided separately from the ink guiding core rear core 36 and the ink guiding core leading core 37, and the ink guiding core is provided between the ink guiding core rear core 36 and the ink guiding core leading core 37.
- An ink guide groove 32a is provided in connection with them. Since the ink guide groove 32a is provided with the ink guide core rear core 36, the ink guide core leading core 37, and the ink guide groove 32a in design, the ink guide core is formed only by the ink guide core. It is easier to make a thread than in the case where it is done.
- a single ink guiding core may be provided from the ink storage section to the inner hole of the ballpoint pen holder, or the ink guiding core rear core 36 and the ink guiding core leading core 37 may be provided without providing the ink guiding groove 32a. It is possible to connect and provide.
- the ink guide core may be a polymer foam such as a sponge, a porous rubber body known as a permeation mark, a nonwoven fabric, a felt, a fiber bundle hardened with a resin, a metal, a ceramic,
- a porous body such as a high molecular weight sintered body, which can guide ink by capillary action, and a resin rod-like body, which can form a capillary action by forming a capillary gap in the axial direction, can be used.
- the ink guide core rear core 36 is preferably a porous body (especially an elastic body), because the ink bundle lead core 37 is preferable for the fiber bundle core because of the ink conduction mechanism, the arrangement shape, the cost, and the like. .
- the pen point base member 32 is bent from a predetermined position to form an inclined surface 34b having an appropriate angle, and the ballpoint holder 34a is It is provided on the distal end side of the inclined surface 34b so as to be substantially perpendicular to the inclined surface 34b. Therefore, similarly to the first embodiment, writing can be performed smoothly even when writing is performed with the pen axis inclined at an angle of 50 ° or less with respect to the writing surface, and the swaged portion is rubbed against the paper surface as in the conventional case. As a result, the problem that the swaged portion gradually wears can be avoided.
- Plate cover 33 is fixed and covers the opening of the ink guide groove 32a and the rear end of the ink guide lead tip 37 in a liquid-tight manner (so as not to leak ink). There is no danger of ink bleeding and dropping, which does not impair the inductivity.
- the adhesion of the plate-shaped cover may not be perfect.
- the seal body 41 is sandwiched between the surface of the tip base member 32 and the plate-shaped cover 33, so that the opening of the ink guide groove 32a and the rear end of the ink guide lead tip 37 are airtight. In this way, it is possible to completely prevent the ink from bleeding and dropping without impairing the ink inductivity. By providing such a means, it is possible to prevent the danger of dropping of the ink and the like, and it is possible to prevent the writing tip from evaporating as much as possible, thereby improving the drying resistance of the writing tip.
- the plate-shaped cover 33 is effective as a display plate for instantly recognizing the direction of the ball-point pen holder 34a and a decorative plate as a pen point. It is also effective for positioning and fixing the pen tip 31 to the joint 40.
- the pen tip 42 is configured as follows.
- the pen tip portion 44 is bent from a predetermined location to form an inclined surface having an appropriate angle, and the ball-point pen holder 44a is positioned on the tip end side of the inclined surface, with respect to the inclined surface. It is provided in a state that is almost vertical! / Puru.
- a hole is provided in the axis from the rear end of the pen point base member 43, and the front end of the hole extends beyond the bent portion of the pen point portion 44 to the position near the inclined surface. It is provided. The leading end of the ink guiding lead rear lead 36 is inserted almost in contact with the leading end of the hole.
- ink is applied by capillary action.
- a narrow slit-shaped ink guide groove 43a that can be guided is formed.
- the ink guide groove 43a communicates with the hole, and is formed so that a part of the front end of the ink guide core rear core 36 faces.
- the ink guide groove 43a is formed up to the vicinity of the rear end of the inner hole of the ballpoint pen holder 44a.
- a receiving seat having a channel through which ink passes is provided, and the ball 35 is held on the receiving seat!
- FIG. 22 and FIG. 23 show the internal shape of the ballpoint pen holder 44a.
- An ink guide groove 43b extending from the ink guide groove 43a and an ink guide groove 43c perpendicular to the ink guide groove 43b are formed in the receiving seat portion, and the ink guide grooves 43b and 43c are channels (grooves). ).
- the embodiment of the ink guide grooves 43b and 43c is not limited to this. In this modified example, since the ink guide core tip 37 is not provided in the second embodiment, the cost is excellent. ing.
- a pen tip 45 is fixed to the tip of a pen shaft 46 via a joint 47, and a valve element 48 is provided at a predetermined position in the pen shaft 46 at the tip thereof.
- the valve element 48 is made of, for example, an elastic body such as silicon rubber, has a substantially cylindrical shape, and has a groove 48b formed in the longitudinal direction.
- the inner surface of the ink container 49a has a peripheral surface other than the groove 48b. Side) is close.
- a thin-walled valve portion 48a is formed over the entire periphery of the end of the valve body 48 on the pen tip side, and the outer periphery of the valve body 48a extends over the entire periphery to the inner wall of the ink storage portion 49a. Close.
- the shape of the valve element 48 is not limited to the illustrated shape depending on the specifications of the writing instrument.
- an ink 49 and a plug 50 that follows the ink as it is consumed are provided at the rear of the valve element 48 at the rear end of the ink, and a vent hole 46a communicating with the outside air is provided at the rear end of the pen shaft 46.
- the plug 50 is made of an elastic material such as silicon rubber.
- a tail plug can also be fixed to the rear end of the pen shaft 46 in consideration of the ventilation section.
- the valve portion 48a of the valve body 48 which also has elasticity such as silicone rubber, is provided in close contact with the wall surface of the ink storage portion, and the valve portion 48a is slightly pressed by negative pressure accompanying writing. By opening the opening in such a manner, the ink can be supplied to the other side through the groove 48b.
- the configuration of the pen tip 45 is almost the same as the pen tip 31 shown in the above-described second embodiment, and therefore the description is omitted.
- a pen tip 51 is fixed to a tip of a pen shaft 52 via a joint 54, and ink is stored in an ink storage body 53 connected to a rear end of an ink guide core rear core 36b in the pen shaft 52. It was made.
- the configuration of the pen tip 51 is almost the same as the pen tip 31 shown in the above-described second embodiment, and therefore the description is omitted.
- a mechanism for retaining ink in a pen shaft to which a pen tip is connected and supplying ink to the pen tip is not limited to the above-described embodiment, and can be used.
- FIG. 1 is a longitudinal sectional view showing an entire ballpoint pen-type writing instrument according to a first embodiment of the present invention.
- FIG. 2 is an enlarged sectional view of a main part of the pen tip shown in FIG. 1.
- FIG. 3 is a cross-sectional view taken along the line AA of the pen tip portion shown in FIG. 2.
- FIG. 4 is an enlarged sectional view of a main part of a plate-like pen tip shown in FIG. 1.
- FIG. 5 is a top view of the plate-shaped pen tip portion shown in FIG. 4.
- FIG. 6 is an external view of the ballpoint pen-type writing instrument of the present invention as viewed from the plate-like cover side shown in FIG. 1.
- FIG. 7 is an external view of the ballpoint pen-type writing instrument of the present invention as viewed from the side of a plate-like pen tip shown in FIG.
- FIG. 8 is a longitudinal sectional view showing the entire ballpoint pen-type writing instrument as a modification of the first embodiment of the present invention.
- FIG. 9 shows a ballpoint pen-type writing instrument as a whole according to a second modification of the first embodiment of the present invention.
- Fig. 10 is a diagram showing the posture of the writing implement when writing with the ballpoint pen-type writing implement of the present invention.
- FIG. 11 is a diagram showing a state in which the ball point pen-type writing instrument of the present invention is used to write with the pen shaft extremely laid down.
- FIG. 12 is an enlarged cross-sectional view of a main part showing a modified example of a plate-shaped pen tip usable in the present invention.
- FIG. 13 A main part showing another modified example of a plate-shaped pen tip used in the present invention.
- FIG. 14 is an enlarged sectional view of a main part showing still another modified example of the plate-shaped pen tip portion usable in the present invention.
- FIG. 15 is a top view of the plate-like pen tip portion shown in FIG.
- FIG. 16 is a longitudinal sectional view showing the entire ballpoint pen type writing instrument according to the second embodiment of the present invention.
- FIG. 17 is an enlarged sectional view of a main part of the pen tip of FIG.
- FIG. 18 is a view of the pen tip shown in FIG. 17 as seen from the direction of arrows BB.
- FIG. 16 is a view also showing the upper surface side force of the pen tip in a partially cross-sectional view of the second embodiment shown in FIG. 16.
- FIG. 21 is an enlarged sectional view of a main part of the pen tip shown in FIG. 20.
- FIG. 22 is an enlarged sectional view of the ballpoint pen holder shown in FIG. 20.
- FIG. 23 is a sectional view taken along line CC of FIG. 22.
- FIG. 24 is a longitudinal sectional view showing the entire ballpoint pen-type writing instrument which is a second modification of the second embodiment of the present invention.
- FIG. 25 is a longitudinal sectional view showing the entire ballpoint pen-type writing instrument which is a third modification of the second embodiment of the present invention.
- Ink lead core back core a Ink guide core rear core b Ink guide core rear core Ink guide core leading core Ink holding body a Ink holding groove b Air replacement groove
- Pen tip base member a Ink guide groove b Shaft
- Ink guide core back core a Ink guide core rear core b Ink guide core rear core Ink guide core front core Ink holding body a Ink holding groove b Air replacement groove c Shaft
- Pen tip base member a Ink guide groove b Ink guide groove c Ink guide groove
Landscapes
- Pens And Brushes (AREA)
Description
Claims
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004152860 | 2004-05-24 | ||
JP2004-152860 | 2004-05-24 | ||
JP2004-152684 | 2004-05-24 | ||
JP2004152755 | 2004-05-24 | ||
JP2004-152755 | 2004-05-24 | ||
JP2004152684 | 2004-05-24 | ||
JP2004318727 | 2004-11-02 | ||
JP2004318728 | 2004-11-02 | ||
JP2004-318728 | 2004-11-02 | ||
JP2004-318727 | 2004-11-02 |
Publications (1)
Publication Number | Publication Date |
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WO2005113255A1 true WO2005113255A1 (ja) | 2005-12-01 |
Family
ID=35428313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/009423 WO2005113255A1 (ja) | 2004-05-24 | 2005-05-24 | ボールペン式筆記具 |
Country Status (1)
Country | Link |
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WO (1) | WO2005113255A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109739146A (zh) * | 2019-01-22 | 2019-05-10 | 北京奇禄管理咨询有限公司 | 笔启动或关闭的控制方法及电路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5914235Y2 (ja) * | 1978-02-04 | 1984-04-26 | 株式会社パイロット | ペン |
JPS5979382U (ja) * | 1982-11-20 | 1984-05-29 | 数馬 謙二 | インクだまりのできないボ−ルペン |
JPH03129485U (ja) * | 1990-04-11 | 1991-12-26 |
-
2005
- 2005-05-24 WO PCT/JP2005/009423 patent/WO2005113255A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5914235Y2 (ja) * | 1978-02-04 | 1984-04-26 | 株式会社パイロット | ペン |
JPS5979382U (ja) * | 1982-11-20 | 1984-05-29 | 数馬 謙二 | インクだまりのできないボ−ルペン |
JPH03129485U (ja) * | 1990-04-11 | 1991-12-26 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109739146A (zh) * | 2019-01-22 | 2019-05-10 | 北京奇禄管理咨询有限公司 | 笔启动或关闭的控制方法及电路 |
CN109739146B (zh) * | 2019-01-22 | 2020-05-26 | 北京奇禄管理咨询有限公司 | 笔启动或关闭的控制方法及电路 |
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