JPS6328039B2 - - Google Patents

Description

Cursive extrusion tool 10 consisting of A writing instrument that combines.

2. The writing instrument according to claim 1, wherein at least one of the cursive fonts of the writing body is a fountain pen.

3. The writing instrument according to claim 1, wherein the writing body has a plurality of openings at the open end.

4 Claim 1 in which a closing lid portion is provided only at the open end of the fountain pen among the open ends of the writing body
Writing implements listed in section.

[Detailed description of the invention]

The present invention relates to a writing instrument in which a plurality of writing bodies can be arranged in parallel and alternately exposed from the open end of a barrel.

Many writing implements of this type have been proposed in the past, and they require a writing pusher and a spring provided in the barrel.

The cursive pusher is installed to push out the cursive and release it, but with conventional writing instruments, precision is required to operate the cursive pusher, and if the operation is inaccurate, the cursive that is not intended to be used may be lost. is exposed from the barrel. This re-immersion operation using only cursive also requires precision.

The spring is installed in the barrel to keep the cursive writing under pressure at all times, but the immersion of the writing depends entirely on the elastic force of the spring, which applies shock to the cursive writing, which can cause fountain pens, felt-tip pens, etc. to get wet. In cursive writing, which gives a cursive handwriting, the ink tends to scatter into the barrel due to impact, which can stain hands and clothes.

Therefore, when providing a writing instrument with any combination of conventionally known cursive fonts, it is necessary to ensure that only the desired cursive font is exposed from the barrel no matter how the cursive font is operated. is required not to depend solely on the elastic force of the spring.

As a result of intensive studies to solve these problems, the inventor of the present invention used a spring and a writing tool to push out the writing tool, but by making the pushing tool have a special structure, the writing tool as a whole has an extremely simple structure. They found that all of the above problems could be satisfied and completed the present invention.

That is, the present invention comprises: (A)(B) a barrel; (B) a plurality of writing bodies inserted in parallel with each writing part facing the open end of the barrel; and (C) a writing body inserted into the barrel. A writing body consisting of a spring provided on the barrel that constantly presses and stores the writing body, (d) a closing lid provided at the open end of the barrel, and (B) (b) at least at the end of the barrel. A cylindrical body that can be removably fitted even if the fitting direction is changed, and (b) a presser that is slidably provided at the bottom of the cylindrical body and that presses the end of only one writing body. and (c) a cursive extrusion tool comprising: a sac whose open end is joined to the bottom of the cylindrical body and the pressing end of the depressor is housed therein, and which expands and contracts as the depressor moves back and forth. It is a combination writing instrument.

In the present invention, the writing body and the writing tool are combined to ensure that only the desired writing is exposed from the barrel no matter how it is operated, and the writing is only retracted by the elastic force of the spring. This is to avoid dependence on For this reason, the cursive pusher includes a cylindrical body that is removably fitted to at least the end of the barrel, and a cylindrical body that is removably fitted even if the fitting direction is changed, and a cylindrical body that is provided at the bottom of the cylindrical body.
It has a presser that comes into contact with the end of only one cursive.

With this structure, there is only one depressor, so the number of cursive letters activated by this depressor is always one.
When the cursive pusher is removed from the writing body, the spring follows the removal and bounces off, preventing it from returning instantaneously when the cursive is immersed.
By changing the fitting direction of the pusher and pressing the pusher against another cursive, that cursive will be exposed.As a result, only the desired cursive will be exposed from the barrel, and the spring will prevent the cursive from retracting. This makes it possible to not rely solely on elasticity.

Furthermore, in the present invention, the pusher of the writing extruder is slidably provided at the bottom of the cylindrical body, so that when a combination of a knock-type mechanical pencil is required as a writing tool, the presser is used to push out the lead. This is because it is effective that the child is slidable. The cylindrical body can be shaped into a cylinder, a square tube, an ellipse, etc. depending on the cross-sectional shape of the writing body. Such a writing tool can be used as a cap that covers the open end side of the barrel, and a clip may be provided on the surface of the writing tool.

The writing body used in the present invention can be used without any inconvenience even if the writing body is a fountain pen, so it is preferable that at least one writing body is a fountain pen. Further, the opening end of the writing body through which the writing body is exposed may have one or more openings.

Furthermore, the reason why the closing lid part is used in the present invention is to isolate and seal the writing part of the cursive from the outside. It is necessary to prevent foreign matter such as dust from adhering to the writing part of any cursive typeface, and for this reason it is effective to use a closed lid part.
This is particularly effective when using a fountain pen for cursive writing. That is, a fountain pen must be recessed into the barrel when not in use to reduce ink evaporation, but by using this closed lid, ink evaporation can be further reduced.

For this reason, the closing lid part is provided at the open end of the barrel, but the closing lid part may be a common closing lid part that closes all the opening ends, or a closing lid part provided at each open end of the barrel of the writing body. But that's fine.
In addition, when at least one of the writing bodies is a fountain pen, a closing lid portion may be provided only at the open end of the fountain pen among the open ends of the barrel of the writing body.

When the presser of the writing extruder to be combined with such a writing body is slidably installed at the bottom of the cylindrical body, the gap between the presser and the cylindrical body holding the presser must be Sealing is optimal because it completely prevents dust from entering and ink from evaporating. For this reason, the present invention additionally uses an elastic sac. In this case, it is necessary that the open end of the telescoping sac be joined to the bottom of the cylindrical body, and that the pressing end of the pusher held at the bottom of the cylindrical body be housed in the telescoping sac. In this case, adhesive, press-fitting, or the like is selected as the joining method.

Next, the present invention will be explained with reference to the drawings.

The writing instrument shown in FIG. 1 is an example of a combination of a fountain pen and a knock-type mechanical pencil as a cursive writing instrument.

The barrel 1 has an elliptical cross section and an open end 2 having a plurality of openings, and a writing guide portion 4 is installed between the open end 2 and the end 3 of the barrel.

Each writing section 5 is provided at the open end 2 of this barrel 1.
Two writing bodies 6 and 6' are inserted parallel to each other along the writing guide part 4, with the two writing bodies 6 and 6' facing the same direction. Cursive 6,
6' is provided with a flange 7, respectively.
A cursive 6,
A spring 8 is disposed to constantly press and house the 6'. 9 indicates the writing body.

Reference numeral 10 denotes a writing extrusion device to be combined with this writing body 9, which includes a cylindrical body 11 having an elliptical cross section and a cylindrical body 11 which is removably fitted to the end 3 of the shaft tube 1 even if the fitting direction is reversed; Slidably provided at the bottom of the shaped body 11,
A presser 12 that presses the end of only one cursive character
It is formed from.

Next, the detailed configuration of each part will be explained.

13 is a pressure slider connected to the end of the writing body 6. The reason why the pressure slider 13 is used is to ensure that the writing body of the writing body 9 is interlocked with the presser 12 of the writing body pushing tool 10. That is, if the lengths of the plurality of writing bodies 6, 6' are different from each other, or if the ends of the writing bodies 6, 6' are of an inappropriate shape or material to be pressed by the presser 12, the spacer may is necessary. Therefore, the pressure slider 13 is inserted into the end of the barrel 1 opposite to the open end 2, and is in contact with the ends of the writing bodies 6, 6'.

In this example, the pressure receiving slider 13 is irremovably engaged with the shaft cylinder 1. That is, the pressure slider 13 has a hook-shaped protruding elastic portion 14, and the tip of the elastic portion 14 is inserted into a slit-shaped guide 15. In this way, the pressure receiving slider 13 is
When the shaft cylinder 1 is irremovably engaged, the open end 2 of the shaft cylinder 1
The opposite side serves as a closed end to prevent the writing 6, 6' from falling from the end 3.

A closing lid 16 is provided only at the opening of the writing body 6 in the open end 2 of the barrel 1, and is composed of a lid 17 and a spring 18, and the spring 18 closes the open end 2. and the inner wall portion of the shaft cylinder 1 on the side on which the lid 17 falls, and is brought into contact with both.

In a fountain pen as a writing body 6, a pen core 20 to which a pen 19 is attached is inserted into a pen core cover 21, and an ink cartridge 22 is connected to the pen core cover 21. Note that 23 is a projection provided on the pen core cover, which is slidably fitted into a groove 24 provided in the barrel 1, and restricts the pen 19 to move only in a linear direction but not rotate.

In the sharp pencil as the writing body 6', a base 26 with a lead holder 25 inside is inserted into a nipple 27, a connector 30 is connected to a chuck 29 through which the nipple 27 and a tightening ring 28 are inserted, and the connector 30 has a A lead core tank 31 is connected. A coil spring 32 for feeding out the core is disposed between the nipple 27 and the connector 30.

The presser 12 penetrates the recess 33 fixed to the bottom of the cylindrical body 11 and protrudes outside the cylindrical body 11.
A flange 34 provided on the pusher 12 is located in a large diameter hole 35 of the implant 33. 36 is an eraser, 3
7 is a small cap, and 38 is a retractable sac. The open end 39 of the telescopic sac 38 is joined to the large diameter hole 35 of the implant 33, and the depressor 12 is inserted into the sac 38.
is stored.

Next, the operation will be explained.

(1) Exposure of the writing part When the cylindrical body 11 of the writing body pusher 10 is fitted to the end 3 of the shaft tube 1, the presser 12 connects to the end part of the writing body 6, 6' to receive pressure. Slider 13
Press one of the . Then, the pressed writing body moves forward while compressing the spring 8, and the writing part 5 is exposed from the open end part 2. The exposed writing body is fixed by fitting the cylindrical body 11 into the shaft tube 1.

In addition, when the cursive 6 moves forward, the cursive 5
is exposed from the open end 2 by pushing down the lid 17. Also, when the cursive 6' moves forward, the base 2
With the stepped portion of 6 in contact with the opening end 2, open the cap 26.
is exposed from the open end 2.

(2) Storing the writing part When the writing part pushing tool 10 fitted to the barrel 1 is removed, the writing part with the writing part 5 exposed moves by the spring 8 and returns to its original position at the end 3. Stop at a position. In this case, the end of the cursive is removed by the cursive pusher 10.
Since the pressing element 12 moves in contact with the pressing element 12, the pressing element 12 controls the springing of the spring 8, and the instantaneous return of the writing body is suppressed.

Note that when the writing body 6 moves, the lid 17 closes the open end 2 by the action of the spring 18.

Next, the drawing out of the lead lead of the sharpening pencil will be explained.

When the pusher 12 is pushed against the spring 8, the chuck 29, connector 30, and lead tank 31 move, and the lead holding by the lead holder 25 and the chuck releasing action by the tightening ring 28 move the length of the pusher 12 pressed. Only the core is drawn out.

At this time, as the presser 12 moves back and forth, the
8 expands and contracts, but since the open end 39 of the sac 38 is joined and does not move, the interior of the writing body pusher 10 fitted into the writing body 9 is completely shielded from the outside.

When the pusher 12 is released, the chuck 29, the connector 30, and the lead-core tank 31 are released by the spring 32.
moves and is pushed by the pressure slider 13 to return the presser 12 to its original position.

By pressing the presser 12 multiple times in this manner, the lead lead is fed out as much as necessary for writing.

As mentioned above, the writing instrument of the present invention uses a spring and a writing tool like the conventional product, but
Because the push-out tool has a special structure, no matter how it is operated, only the desired cursive is exposed from the barrel, and the retraction of the cursive does not depend solely on the elastic force of the spring. Therefore, it is possible to create new combinations that have not been put to practical use before, without being limited to the previously known combinations of cursive.Moreover, the presser can be placed inside the sac whose open end is joined to the bottom of the cylindrical body. Store the pressed end side,
By making this sac expand and contract with the back and forth movement of the presser, it is possible to seal the gap between the presser and the cylindrical body that holds the presser, thereby preventing the intrusion of foreign matter and the evaporation of ink. It has a useful effect.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional view of the writing instrument of the present invention. In the figure, 1 is a barrel, 5 is a writing part, 6, 6' is a cursive body, 8 is a spring, 9 is a writing body, 10 is a cursive body pusher, 11 is a cylindrical body, 12 is a presser, 1
Reference numeral 6 indicates a closed lid portion, 38 indicates a sack, and 39 indicates an open end of the sack.

Claims (1)

[Scope of Claims] 1 (A) (B) A barrel 1; (B) A plurality of writing bodies 6, 6' inserted in parallel with each writing part 5 facing the open end of the barrel; (C) A writing body 9 consisting of a spring 8 provided on the barrel that constantly presses and accommodates the writing body within the barrel; (d) a closing lid portion 16 provided at the open end of the barrel; )(a) A cylindrical body 11 that is removably fitted to at least the end of the shaft cylinder even if the fitting direction is changed; A presser 12 that presses only the end of the cursive
and (c) a sac 38 which has an open end 39 joined to the bottom of the cylindrical body and accommodates the pressing end side of the presser therein, and expands and contracts as the presser moves back and forth.