JP2018187886A - Writing instrument auxiliary tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a writing instrument auxiliary tool which enables even disabled people or other people who are difficult to move their hands and fingers to perform smooth writing operation in stable condition.SOLUTION: The writing instrument auxiliary tool comprises a writing instrument fix part for fixing and supporting a writing instrument, a holding part which is connected to the writing instrument fix part and held by a user of the writing instrument and a support auxiliary part that is brought into connect with a Hegu portion of a hand of the writing instrument user when the writing instrument user holds the holding part. The writing instrument auxiliary tool is connected so that a holding center axis of the holding part forms an acute angle in a writing instrument tip direction to the writing instrument fix part.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a writing tool assisting device that assists a writing tool, and more particularly, to a writing tool assisting device that can realize a stable and smooth writing operation even for a person who cannot firmly hold the writing tool due to a disease or the like.

  In recent years, there has been an increasing need to write letters using brushes from people who can no longer hold pencils due to illness.

  Such diseases include cerebrovascular disorders and rheumatoid arthritis, etc., and these diseases may cause symptoms such as reduced voluntary fingering, deformation of the finger joints, difficulty in grasping the three sides of the pencil, and insufficient writing pressure. Therefore, many people have difficulty in writing (writing). Rheumatoid disease, in particular, has been diagnosed in the 20s and 50s, where active social activities are required, and it is necessary to regain writing ability, but these diseases are considered difficult to recover. Yes.

  In order to regain this lost writing ability, various types of pen grips have been proposed that are intended to hold a writing tool even with a handicapped finger.

  As such a conventional writing instrument auxiliary device, for example, it consists of a writing instrument fixing part and a grip part, and the writing instrument fixing part has a through-hole through which the writing instrument is inserted and fixed, and is formed in an elongated shape. The part is formed in a substantially rectangular shape having a thickness substantially equal to the cross-sectional width of the writing instrument fixing part, and is attached to the writing instrument fixing part by tilting it toward the front end side of the writing instrument fixing part. There is a portion where the rear end side portion of the portion intersects is formed in a hollow shape that matches the shape of the hand between the thumb and the index finger (see Patent Document 1).

JP 2009-83359 A

However, as shown in Patent Document 1, for example, the conventional writing instrument assisting device has a pistol shape having a plate-like grip portion that is as thin as a writing instrument, and in particular strengthens the thumb and index finger to some extent. It is still necessary for those who need to “clamp and hold” to apply force and fix in a state where they are stretched and closed, and for those who have difficulty in squeezing their fingers, or who are difficult to apply force to gripping However, there was a problem that it was difficult to perform a sufficient writing operation with a weak grip. In other words, the conventional brush assist device is based on the premise that the tip of the hand is squeezed and fixed with a certain amount of force. It has not yet reached the point where it can write.
In order to compensate for this instability, the rear end side of the grip portion must be formed with a hollow shape that matches the shape of the hand between the thumb and the index finger, and the hand must be bitten and gripped. However, since this biting position serves as a reference point for gripping, it may be difficult to place the fingertip along the writing instrument due to individual differences in length up to the fingertip. In particular, people who have difficulty in bending rheumatoid joints cannot bend and adjust their length, and their fingertips do not follow the writing instrument.

  In addition, as is apparent from the fact that a certain degree of force is required for the grip hand, the conventional brush assist device is mainly for a hard brush, and is free from other brushes. Has limited suitability for use. For example, for a brush with a soft tip, such as a brush pen, if you hold it with a weak force, the writing action will be unstable, and you will not be able to use the unique “Tome / Hane / Harai” brush. It is difficult to do and is not suitable for writing expressive characters. For these reasons, even for the above-mentioned patients and those whose writing pressure at the time of writing has changed with aging, support for writing characters stably has not been achieved.

  The present invention has been made to solve the above-mentioned problems, and is a writing instrument that can stably perform a smooth writing operation even if it is difficult for a finger or a person who is difficult to put a hand into the hand. The purpose is to provide an auxiliary device.

  As a result of earnest research, the inventor explored a method capable of stably fixing the grasped hand, and as a result of a thorough comparison of the hand of a disabled person and the hand of a healthy person, By finding the “non-moving root part” (corresponding to the Goya part) where the bones of the thumb and the index finger join, and determining the shape that fits on this part, a stable position can be maintained even if the gripping force of the finger is relaxed We have derived an excellent brush assist device that can be used.

  Thus, the tool auxiliary device disclosed in the present application includes a tool fixing part that fixes and supports the tool, a gripping part that is connected to the tool fixing part and is gripped by the user of the hand, and the use of the tool. And a support assisting portion that supports and supports the joint portion of the brush user's hand when the user grips the grip portion, and the grip center axis of the grip portion is It is connected so as to have an acute angle in the tool tip direction. In this way, the grip center axis of the grip part is an acute angle with respect to the tool fixing part in the direction of the tip of the tool, and the joint part of the hand of the tool user is supported by the support auxiliary part. Therefore, the brush user is firmly fixed in a state in which he / she is holding his / her hand, and it is easy for the user to hold the hand, and the writing operation can be stably performed only by holding the hand. .

  In the brush assist device disclosed in the present application, the support assisting portion is connected to the support assisting portion central axis and the gripping portion central axis at an angle of 80 ° to 100 ° as necessary. . Thus, since the said support auxiliary | assistant part is connected with the said support auxiliary | assistant part center axis | shaft and the said grip part central axis at an angle of 80 degrees-100 degrees, the brush user grasped the said grip part. The position of the trough at the time coincides with the position of the support auxiliary part, the hand of the brush user is easy to be fixed, the fit when gripping is enhanced, and the gripper user is easy to grip, Stable writing operation can be performed.

  In the brush assist device disclosed in the present application, the position where the grip portion, the support assist portion, and the brush fixing portion are coupled is orthogonal to the grip portion center axis and the support assist is provided as necessary. The line segment that passes through the valley of the user of the tool supported by the part and the center axis of the tool fixing part are above the position where the tool tip direction is downward from the intersecting position. It is. Thus, the position where the grip part, the support auxiliary part, and the writing tool fixing part are connected is orthogonal to the center part of the grip part and supported by the support auxiliary part. Since the line segment that passes through the valley and the writing tool fixing portion central axis is lower than the position where the writing tool tip direction is downward, the writing tool user's hand is, When the gripping part is gripped, it will not come into contact with the writing tool fixing part, and the gripping part can be firmly gripped in a state where there is no decrease in the feeling of use due to an object hitting the hand of the writing tool user. It is possible to obtain a comfortable feeling of writing operation.

  In the brush auxiliary device disclosed in the present application, the support auxiliary portion has a cutout portion having a cutout shape on the surface that comes into contact with the brush user's joint valley as necessary. In this way, the support auxiliary portion has a cutout portion having a cutout shape on the surface that comes into contact with the brush user's joint valley, so that the cutout portion is comfortable against the brush user's hand valley. A fit feeling can be obtained, especially even for a brush user whose joint shape protrudes and deforms due to a disease etc., especially the MP joint of the hand will not be compressed, and a comfortable fit feeling can be obtained. A comfortable feeling of writing can be obtained.

  The brush assist device disclosed in the present application accommodates a weight presenting the center of gravity of the grip portion inside the grip portion as required. In this way, since the gripping part accommodates a weight inside, when the writing tool user grips the gripping part, the center of gravity is always given to the gripping part in the palm of the hand, so that it always moves. The shaking and wobbling in a certain writing operation can be suppressed, the stability of the writing operation can be increased, and a more comfortable feeling of use of the writing operation can be obtained. In particular, if the weight is movably disposed in the gripping portion, the gripping portion is given a downward weight in the vertical direction, and the support assisting portion connected to the gripping portion is easily in close contact with the trough portion, and more A more stable gripping state can be obtained.

  In the brush assist device disclosed in the present application, the grip portion has a teardrop shape as necessary. Thus, since the grip portion has a teardrop shape, it becomes easier to conform to the shape of the palm of the hand grip formed when the brush user grips the grip portion, The ease of gripping and comfort when gripping are improved, and a more stable and comfortable feeling of writing operation can be obtained.

  In the brush assist device disclosed in the present application, the brush fixing portion can be attached to and detached from the brush as necessary. Thus, since the said tool fixing | fixed part is detachable with respect to the said tool, it will be usable with respect to various kinds of tools, and the tool which the said tool user wants to use is used suitably. It can be selected and exchanged, making it easy to use and improving convenience.

BRIEF DESCRIPTION OF THE DRAWINGS The block diagram of the brush auxiliary device which concerns on the 1st Embodiment of this invention, and explanatory drawing about the hand of the brush user who uses a brush auxiliary device are shown. The block diagram of the brush auxiliary device which concerns on the 2nd Embodiment of this invention is shown. The block diagram of the brush auxiliary device which concerns on the 3rd Embodiment of this invention is shown. An explanatory view showing a use state of a writing instrument auxiliary device concerning a 3rd embodiment of the present invention is shown. The block diagram of the brush auxiliary device which concerns on the 4th Embodiment of this invention is shown. The front view, side view, and top view of the brush auxiliary device which concern on the 4th Embodiment of this invention are shown. Explanatory drawing showing the use condition of the brush auxiliary | assistance apparatus which concerns on the 4th Embodiment of this invention is shown. The block diagram of the brush auxiliary device which concerns on the 5th Embodiment of this invention is shown.

(First embodiment)
The brush auxiliary device according to the first embodiment of the present application will be described with reference to FIG.

  As shown in FIG. 1A, the brush auxiliary device according to the first embodiment is connected to a brush fixing portion 1 (brush holder portion) that fixes and supports the brush 100 and the brush fixing portion 1. The gripping part 2 (grip part) gripped by the user of the brush and the support that is supported by contacting the back side of the hand of the brush user when the gripper grips the gripping part 2 An auxiliary portion 3 (sub-plate portion) is provided, and the gripping center axis of the gripping portion 2 is connected to the writing tool fixing portion 1 so as to form an acute angle in the direction of the tip of the writing tool.

  The material constituting the brush auxiliary device according to the present embodiment is not particularly limited, but other than those of general-purpose synthetic resins such as ABS, PE, PP, vulcanized rubber such as natural rubber and synthetic rubber, and urethane rubber Thermosetting resin elastomers such as silicone rubber and fluororubber are suitable, and thermoplastic elastomers such as styrene, vinyl chloride and urethane are preferred. More preferably, it is a synthetic resin (silicone rubber) mainly composed of silicone. In this case, the softness peculiar to silicone rubber realizes a feeling of use that is gentler to the hand of the brush user and high durability.

  In particular, it is preferable that the tool fixing part 1 has elastic elasticity, and can be held by being elastically changed according to the shaft size of the tool 100. Applicable. In other words, the brush 100 has various thicknesses depending on the design, and some of the brush 100 has a decorative surface treatment. It is possible to form the tool fixing part 1 having a flexible holding structure that can be fixed without impairing the brushing performance.

  The fixing with respect to the writing tool 100 is not particularly limited. For example, the writing tool 100 can be inserted into and fixed to the writing tool fixing part 1, and the writing tool fixing part 1 can be fixed along the longitudinal direction. By having an opening / closing surface, the brush 100 can be housed after opening the opening / closing surface of the writing tool fixing unit 1 and then fixed by closing the opening / closing surface of the tool fixing unit 1.

  The grip portion 2 is configured to be connected so that the grip center axis is an acute angle in the direction of the tip of the brush with respect to the tool fixing portion 1. Although not limited, Preferably, it is more than 0 degree and 45 degrees or less, for example, it can be set to 30 degrees, and the tip of the writing tool exists at a position facing downward from the little finger side of the gripping hand of the writing tool user. Even if the force is weak, it is possible to easily obtain a feeling of performing a writing operation only by moving the gripped hand.

  In this regard, in the pistol shape as in the conventional brush assist device (for example, Patent Document 1 described above), since the tip of the tool exists in the direction pointed by the index finger, this is a different configuration, and in this configuration, In order to maintain and fix the shape of pointing with the index finger, it is necessary to maintain a certain level of strength on the hand (especially the thumb and the index finger). The auxiliary portion 3 is stably supported by the hand gap portion, and an excellent effect is obtained in that the writing operation can be performed while holding the hand lightly with a weaker force than before.

  The shape of the support auxiliary portion 3 is not particularly limited as long as it has a width that abuts across the base portion of the thumb and index finger, but a shape that is widened to a collar is preferable. A sufficient sense of stability can be obtained simply by placing it on the user's hand, and a comfortable fit can be obtained. Further, the supporting auxiliary member 3 does not need to be strong enough to withstand the gripping force at the time of handwriting, and can be formed with a through hole or a foamable resin for weight reduction. Furthermore, the structure which spreads radially like a fan's bone is also possible.

  The brush 100 is not particularly limited as long as it is a general brush, and examples thereof include a pen, a ballpoint pen, a brush pen, a pencil, a fountain pen, and a brush.

  In addition, as shown in FIG. 1 (b), the joint user's hand valley portion is a region A in the vicinity of the base of the joint between the thumb and the index finger. Further, FIG. 1B shows a region B of the third joint of the finger as an MP joint (metacarpophalangeal joint) which is a metacarpophalangeal joint.

  As described above, the brush auxiliary device according to the present embodiment includes a writing tool fixing unit 1 that fixes and supports the writing tool 100, and a gripping unit that is connected to the writing tool fixing unit 1 and is held by the user of the writing tool. 2 and a support assisting portion 3 that supports and supports the user's hand valley when the gripping user grips the gripping portion 2, and the gripping central axis of the gripping portion 2 is the brush center axis. It is connected to the tool fixing part 1 so as to have an acute angle in the tip direction of the writing tool. In this way, the grip center axis of the grip part 2 has an acute angle with respect to the tool fixing part 1 in the direction of the tip of the tool, and the joint part of the hand of the tool user is supported by the support auxiliary part 3. Therefore, the brush user is firmly fixed in a state in which he / she is holding his / her hand, which is easy for the brush user to hold and can perform a stable writing operation only by holding the hand. be able to.

  There are no particular limitations on the user of the tool, but it can be used especially for people who have deformed hands due to diseases such as rheumatism, or who do not use their hands. Even for those who are not able to do it satisfactorily, various kinds of writing tools 100 can be assisted so that they can be used easily, and the desire to write can be satisfied.

  In the writing instrument assisting apparatus according to the present embodiment, preferably, the grip portion 2 has a teardrop shape. The teardrop shape is like the shape of a teardrop, and the three-dimensional bulge gradually increases downward, and the three-dimensional bulge is reversed from the point where the bulge reaches its maximum. Thus, the shape gradually converges toward one point.

As described above, since the grip portion 2 has a teardrop shape, the grip portion 2 can be more easily adapted to the shape of the space in the palm of the hand grip formed when the brush user grips the grip portion 2. It becomes easy to be accommodated, and the ease of gripping and comfort when gripping are improved, and a more stable and comfortable writing feeling can be obtained.
Further, if the grip portion 2 is exchangeable with respect to the support auxiliary portion 3, a plurality of sizes and weights of the grip portion 2 can be prepared and selected according to the hand size and the handwriting force.

(Second Embodiment)
The brush assist device according to the second embodiment of the present application will be described with reference to FIG.

  As in the first embodiment, the writing tool assisting device according to the second embodiment includes the writing tool fixing unit 1, the gripping unit 2, and the supporting auxiliary unit 3, and further, FIG. As shown in FIG. 4, the support auxiliary portion 3 has a cutout portion 3a having a cutout shape on the surface that comes into contact with the brush user's joint valley. The cutout shape of the cutout portion 3a may be a smooth slope shape that is recessed in a stealing shape so as to escape interference with the projecting deformable joint on the lower surface of the support auxiliary portion 3 facing the joint valley.

  Thus, since this support auxiliary | assistant part 3 has the notch part 3a which the surface which contact | abuts a user's user's goat has a notch shape, this notch 3a is used with respect to the hand user's hand A comfortable fit can be obtained, a comfortable fit can be obtained, and a more comfortable writing feeling can be obtained.

(Third embodiment)
A brush assisting device according to a third embodiment of the present application will be described with reference to FIGS.

As in the first embodiment, the brush auxiliary device according to the third embodiment includes the brush fixing portion 1, the grip portion 2, and the support auxiliary portion 3, and is shown in FIG. As described above, the angle θ ₁ formed by the grip center axis of the grip part 2 and the tool fixing part 1 is connected to the tool tip direction so as to be an acute angle. angle theta ₂ between the auxiliary supporting part 3 the central axis this grip portion 2 center axis is configured to be connected at an angle of 80 ° to 100 °.

The angle θ ₂ formed is not particularly limited as long as it is 80 ° to 100 °, but is preferably 90 °, and is easy to fit into the hand, and is easy in design and mold manufacture. There is an advantage that it can respond.

  Further, as shown in FIG. 4, the brush auxiliary device according to the present embodiment includes a main body cutout portion 1 a in which a portion where the hand (especially the index finger) of the brush user abuts is cut out in the writing fixture fixing portion 1. It is preferable. The cutout shape of the main body cutout portion 1a can be a smooth sloped shape, and more preferably, a sloped surface that gradually approaches the tool 100 toward the tip of the tool.

  This body cut-out 1a ensures a comfortable fit, particularly by ensuring the area where the index finger of the gripping hand comes into contact, even for a user of a writing tool whose joint shape has been bent or protruding and deformed due to a disease or the like. A feeling of use can be obtained and a more comfortable writing operation can be obtained.

  Thus, since this support auxiliary | assistant part 3 has connected this support auxiliary | assistant part 3 center axis | shaft and this grip part 2 center axis | shaft with the angle of 80 degrees-100 degrees, a brush user can use this grip part. The position of the valley of the hand when grasping 2 will abut against the surface of this support auxiliary part 3, the hand of the user of the writing tool is easily fixed, and the fit feeling when grasping is enhanced, It is easy for the user of the writing tool to grip and can perform the writing operation stably.

(Fourth embodiment)
A brush assisting device according to a fourth embodiment of the present application will be described with reference to FIGS.

As in the first embodiment, the brush auxiliary device according to the fourth embodiment includes the brush fixing portion 1, the grip portion 2, and the support auxiliary portion 3, and further includes FIG. As shown in FIG. 4, the position C where the grip portion 2 and the support auxiliary portion 3 are connected to the writing tool fixing portion 1 is perpendicular to the central axis (line segment L) of the grip portion 2 (angle θ _3). ) And the line segment M passing through the user A of the writing tool supported by the support auxiliary unit 3 and the central axis (line segment N) of the writing tool fixing unit 1 are more than the position P where the brush intersects. When the tool tip direction is downward, it is an upper structure.

  When viewed from the front and the side, the brush assist device according to the present embodiment has a grip portion 2 that resembles a palm inner space (indicated by reference sign D in FIG. 7), as shown in FIG. It has a teardrop shape, and it is shown that it is a shape that can be easily grasped by the hand of the writing tool user. When viewed from the top, as shown in FIG. 6 (b), the support auxiliary portion 3 has a shape that expands into a collar shape, and a surface that comes into contact with the user's lip is cut out. It has shown that it has the notch part 3a which consists of.

  With such a shape, as shown in FIG. 7, the brush assist device according to the present embodiment allows the brush user to hold the grip portion 2 having a shape that is easy to grip with his / her palm. The support assisting part 3 is naturally placed on (especially the Goya part), so that a sufficient sense of stability can be easily obtained, and a comfortable and comfortable fit can be obtained.

  As described above, the position at which the gripping part 2 and the support auxiliary part 3 are connected to the writing tool fixing part 1 is perpendicular to the central axis of the gripping part 2 and supported by the support auxiliary part 3. Since the line segment that passes through the tool user's goat and the central axis of the tool fixing part 1 are above the position where the tip of the tool points downward, the tool user When the hand grips the grip portion 2, the hand does not come into contact with the tool fixing portion 1, and there is no deterioration in the feeling of use due to an object touching the hand of the tool user (state without stress) ), The grip portion 2 can be firmly held, and a more comfortable writing feeling can be obtained.

(Fifth embodiment)
A brush assisting device according to a fifth embodiment of the present application will be described with reference to FIG.

As in the first embodiment, the writing tool assisting device according to the fifth embodiment includes the writing tool fixing unit 1, the gripping unit 2, and the supporting auxiliary unit 3, and further includes FIG. As shown in FIG. 2, the grip portion 2 is configured to accommodate the weight 2a therein. The weight 2a may be made of metal having a higher specific gravity than the molding material of the grip portion 2, or may be made of resin. It is also possible to set the gripping part 2 itself to be heavier than other members so that the center of gravity is positioned on the gripping part 2.
In addition, by providing a space in the gripping part 2 and arranging the weight 2a so that the position can be changed by freely moving in this space, the auxiliary device can be moved vertically according to the gripping angle of the gripping part 2. Be energized.

  In this way, since the grip portion 2 accommodates the weight 2a, when the writing tool user grips the grip portion 2, the grip portion 2 is always given a downward weight in the vertical direction. In other words, shaking and wobbling in a constantly moving writing operation are suppressed, the stability of the writing operation is increased, and a more comfortable feeling of writing operation can be obtained.

  In addition, when the weight 2a is a movable weight, an auxiliary support such as a pen stand is provided even when the writing tool assisting device according to the present embodiment is not used by adopting a design that maintains the center of gravity. Without being able to maintain a stand-up position, it is excellent in appearance when not in use.

(Other embodiments)
In each of the above embodiments, the brush auxiliary device may remain fixed to the brush 100, but may be detachable. That is, as a brush auxiliary device according to another embodiment of the present application, as in each of the above embodiments, the brush auxiliary portion 1, the grip portion 2, and the support auxiliary portion 3, The writing tool fixing unit 1 can be configured to be detachable from the writing tool 100.

  In this way, since the writing tool fixing unit 1 is detachable from the writing tool 100, it can be used for the writing tool 100 of various types and sizes, and the writing brush user wants to use. The tool 100 can be selected and exchanged as appropriate, making it easy to use and improving convenience.

DESCRIPTION OF SYMBOLS 1 Writing tool fixing | fixed part 1a Main body notch part 2 Grasping part 2a Weight 3 Supporting auxiliary part 3a Notch part 100 Writing tool

Claims (7)

A tool fixing part for fixing and supporting the tool,
A gripping part connected to the writing tool fixing part and gripped by a user of the writing tool,
When the writing tool user grips the gripping portion, the supporting tool supports and supports a contact portion of the hand of the writing tool user.
The tool auxiliary device, wherein the grip center axis of the grip part is connected to the tool fixing part so as to form an acute angle in the tip direction of the tool. The writing instrument assisting device according to claim 1,
The support auxiliary unit, wherein the support auxiliary unit central axis and the gripping unit central axis are connected at an angle of 80 ° to 100 °. In the writing instrument auxiliary device according to claim 1 or 2,
The position at which the gripping part, the support auxiliary part, and the writing tool fixing part are connected passes through the trough of the writing tool user who is orthogonal to the gripping part central axis and supported by the support auxiliary part. A tool assisting device, wherein a line segment and a central axis of the tool fixing portion are above a position where the tip end direction of the writing tool is downward from an intersecting position. In the brush auxiliary | assistance apparatus in any one of Claims 1-3,
The support auxiliary device has a cutout portion having a cutout shape on a surface that comes into contact with the user's user's joint valley. In the writing instrument auxiliary device according to any one of claims 1 to 4,
The said holding part accommodates a weight in an inside. In the writing instrument assistance apparatus in any one of Claims 1-5,
The tool assisting device, wherein the grip portion has a teardrop shape. In the writing instrument auxiliary device according to any one of claims 1 to 6,
The brush auxiliary device, wherein the brush fixing portion is detachable from the brush.

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