JPH0620086U - Writing aids - Google Patents

Abstract

(57) [Summary] [Purpose] To provide an auxiliary tool for a writing instrument capable of performing writing work for a long time without being tired because the writing can be performed by a movement mainly with one index finger. A writing tool auxiliary tool is provided with a mounting piece for mounting a fingertip in the vicinity of the tip of a base body fixed to the outer peripheral surface of the grasping part of the writing tool, the mounting piece facing outward.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is an auxiliary tool for writing instruments, especially a writing instrument that can be written for a long time without tiredness by attaching it to the grasping part of a stick-like writing instrument such as a ballpoint pen with a light force and a comfortable grip. It relates to an auxiliary tool.

[0002]

[Prior art]

 Conventionally, this kind of writing instrument is written while gripping it with three thumbs, the index finger and the middle finger, but since it is easy to slip due to writing pressure, it is generally used to engrave fine irregularities in the grasping part. There is.

However, since it requires an unexpectedly large force to write while gripping with the above three fingers, a writing tool that requires a relatively large writing pressure, such as a ballpoint pen, is used for long-time writing work. In this case, fatigue was accumulated on the fingertips, wrists, shoulders, etc., and as a result, adverse effects such as symptom of neck-shoulder-arm syndrome were caused.

[0004]

[Problems to be solved by the device]

 Therefore, in order to make it easier to grasp the writing instrument, a grip with a larger diameter was devised and used, but the frictional force generated by the pressure on the writing instrument while still firmly gripping with three fingers However, due to the fact that writing is done by the balance of writing pressure from the tip, the above problems could not be resolved.

The present invention was devised to solve the above-mentioned drawbacks of the conventional products, and does not require a firm grasping with three fingers like a conventional writing instrument, and a movement with one index finger as a main component It is an object of the present invention to provide an auxiliary tool for a writing instrument that enables efficient and efficient writing, light writing, and free grip for a long time without any fatigue with a comfortable grip.

[0006]

[Means for Solving the Problems]

 The present invention is an auxiliary tool for a writing instrument devised in view of the above, which is an auxiliary tool for a writing instrument that is attached to a grasping portion of a writing instrument having a stick shape such as a ballpoint pen, and is fixed to the outer peripheral surface of the grasping portion of the writing instrument. The problem was solved by projecting outwardly a placing piece on which a fingertip should be placed near the tip of the base body.

As the base body in the present invention, it is preferable to use a short tubular member having a horseshoe-shaped cross section, which is capable of elastically sandwiching and fixing the grasping portion of the writing implement, and a part of the base body of the writing implement is used. In order to improve the fixability, a pressure sensitive adhesive and a release paper are attached, or an elastic material such as a short tubular material made of rubber is provided. Also, this substrate is an elastic rubber-like short tube having a circular cross section instead of the horseshoe-shaped short tube described above, or a plate-like object formed by sticking the pressure-sensitive adhesive and release paper, etc. Anything that can be changed in response to the difference in the fixed position due to, and the correction of the set position of the fixed point will suffice.

Further, the above-mentioned placing piece in the present invention is preferably a bent plate having a curved surface bent along the curved surface of the fingertip, and the inner surface of the bent plate is made of a soft synthetic resin. It is preferable to use a material such as a foamed material that is formed by layering an elastic material, from the viewpoint of fitting to the fingertip.

In addition, the above-mentioned placing piece is such that the pressure applied to the placing piece is in the vertical direction, that is, the tip end portion and the base end portion of the placing piece and the grasping part of the writing instrument are efficiently applied to the tip end portion of the writing instrument. It is preferable that the writing tool is supported by a supporting plate having a substantially triangular cross-section, each of which has a vertex in the vicinity of the tip portion, and the angle near the tip portion of the grasping portion of the supporting plate is preferably an acute angle. Further, as the support plate, a flat plate-like plate which is laid between the vicinity of the tip of the placing piece and the vicinity of the tip of the grasping portion of the writing instrument may be used instead of the support plate having the substantially triangular cross section. Absent.

Further, the base body and the mounting piece are integrally molded by injection molding using synthetic resin such as polyvinyl chloride, polystyrene and polypropylene.

[0011]

[Action]

 Since the writing instrument auxiliary tool of the present invention is such that the tip of the base fixed to the outer peripheral surface of the grasping part of the writing instrument has the placing piece on which the fingertip should be placed protruding outward, the thumb and the index finger. It is possible to write with one forefinger as the main body without clasping with three fingers, the middle finger, and furthermore, most of the index finger's force is applied to the tip of the writing instrument.

[0012]

【Example】

 Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings. FIG. 1 is a perspective view showing an embodiment of a writing instrument auxiliary tool of the present invention, which is a horseshoe cross-section made of a synthetic resin and fixed to an outer peripheral surface of a grasping portion a of a writing instrument A having a stick-like shape. A mounting piece made of a curved plate having a curved surface 2 curved along the inner surface of the base 1 made of a short tubular object for mounting the fingertip of the index finger on the inner surface thereof so as to be placed on the fingertip. 3 is projected outward.

A projecting piece b made of a thin and slender plate is extended at the base end of the base body 1, and a pressure sensitive property for fixing to a grasping part a of the writing instrument A is provided on the back surface of the projecting piece b. The adhesive 4 and the release paper 5 are attached. As shown in FIG. 2, the protrusion b is fixed after the fixing point to the writing instrument A is determined, lifted to peel off the release paper 5, returned to its original position, and pressed.

On the other hand, on the curved surface 2 of the above-mentioned placing piece 3, an elastic body 6 made of soft polyurethane or the like is layered in order to improve the fit property to the fingertip.

Further, the outward projecting angle of the placing piece 3 with respect to the base body 1 is set so that the force of the fingertip placed on the placing piece 3 is applied to the tip of the writing instrument A as much as possible. In addition to this, on the outer surface of the mounting piece 3 described above, the vicinity of the tip end portion and the base end portion of the mounting piece 3 and the vicinity of the tip end portion of the grasping portion a of the writing tool A are set as apexes, and A support plate 7 made of a plate having a substantially triangular cross section in which the angle near the tip of the grasping portion a of A is an acute angle is provided, and the force for pushing the tip of the writing instrument A is most efficient.

As the support plate 7, in addition to the above-mentioned substantially triangular plate body in cross section, as shown in FIG. 7, between the vicinity of the tip of the placing piece 3 and the vicinity of the tip of the grasping part a of the writing instrument A. You may use the plate-shaped plate body which was made to bridge.

Since the writing aid of the present invention has the above-mentioned configuration, when using it, first, as shown in FIG. 2, the base 1 is fitted to the grasping portion a of the writing implement A according to the individual difference of the user. Then, the release paper 5 attached to the back surface of the protrusion b is removed and adhesively fixed with the pressure-sensitive adhesive 4. On the other hand, when writing, as shown in FIG. It is placed on the holder 3, and the thumb and middle finger are lightly attached, and the writing is performed by the movement mainly of the forefinger.

FIG. 4 is a perspective view showing a second embodiment of the writing aid of the present invention, which is composed of a short tube made of an elastic rubber-like material so as to fit on the grasping portion a of the writing implement A. A base 1 is used, and a mounting piece 3 is provided in the vicinity of the tip of the base 1 in the same manner as in the first embodiment.

FIG. 5 is a perspective view showing a third embodiment of the writing aid of the present invention, which has a horseshoe-shaped cross section made of a hard synthetic resin so as to be elastically clamped to the grasping portion a of the writing implement A. A ring c made of a rubber-like material having elasticity is provided in the vicinity of the base end portion of the base body 1 made of the short tubular article of the first embodiment. Similarly, the mounting piece 3 is projected.

FIG. 6 is a perspective view showing a fourth embodiment of the writing aid of the present invention, which is an elongated plate body d made of synthetic resin and fixed to the outer peripheral surface of the grasping portion a of the writing instrument A and its base. As in the first embodiment, a mounting piece 3 is provided in a protruding manner in the vicinity of the tip of a base 1 made of a short tube e having a horseshoe-shaped cross section provided in the vicinity of the end, and the elongated plate body d is used. A pressure sensitive adhesive 4 and a release paper 5 are attached to the back surface of the.

[0021]

[Effect of device]

 As is clear from the above, the writing aid of the present invention has the placing piece, on which the fingertip should be placed, protruding outwardly near the tip of the base fixed to the outer peripheral surface of the grasping part of the writing implement. Consists of a structure that consists of a set, and does not squeeze tightly with the thumb, forefinger, and middle finger like a conventional writing instrument, but uses one forefinger placed on the placing piece as the main component for writing. Since it is possible to write freely and stably for a long time without getting tired, a curved surface along the surface of the fingertip is provided on the inner surface of the placing piece and the curved surface is made of soft synthetic resin foam. A good elastic property is obtained by layering a flexible elastic body, and furthermore, on the outer surface of the mounting piece, the vicinity of the tip and the base end of the mounting piece and the vicinity of the tip of the grasping part of the writing instrument are respectively vertexed. When a support plate with a substantially triangular cross section is provided, The writing property because the applied efficiently to the tip of the force of the fingertip is placed on the mounting piece writing instrument by forming a tip angle in the vicinity of the grasping portion and the acute angle is made to further improve the.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of a writing instrument auxiliary tool of the present invention.

FIG. 2 is a perspective view showing a use state of the writing instrument auxiliary tool of the present invention.

FIG. 3 is a perspective view showing a use state of the writing instrument auxiliary tool of the present invention.

FIG. 4 is a perspective view showing a second embodiment of the writing instrument auxiliary tool of the present invention.

FIG. 5 is a perspective view showing a third embodiment of the writing instrument auxiliary tool of the present invention.

FIG. 6 is a perspective view showing a fourth embodiment of the writing instrument auxiliary tool of the present invention.

FIG. 7 is a perspective view showing a fifth embodiment of the writing instrument auxiliary tool of the present invention.

[Explanation of symbols]

 1 Base 2 Curved Surface 3 Mounting Piece 4 Pressure Sensitive Adhesive 5 Release Paper 6 Elastic Body 7 Support Plate A Writing Tool a Grasping Part

Claims (6)

[Scope of utility model registration request] 1. An auxiliary tool for a writing instrument to be attached to a grasping section of a writing instrument having a stick-like shape such as a ballpoint pen, wherein a fingertip is placed near the tip of a base fixed to the outer peripheral surface of the grasping section of the writing instrument. An auxiliary tool for a writing instrument, characterized in that a mounting piece to be placed is projected outward. 2. The placing piece is supported on the writing instrument by a support plate having a substantially triangular cross section whose vertexes are near the tip end portion, the base end portion, and the tip end portion of the grasping portion of the writing instrument, respectively. The auxiliary tool for a writing instrument according to claim 1, wherein: 3. The mounting piece is supported by a support plate formed of a plate body that is bridged between the vicinity of the tip of the mounting piece and the vicinity of the tip of the grasping portion of the writing instrument. Claim 1
Auxiliary tool for writing instruments described. 4. The writing instrument auxiliary tool according to claim 1, wherein the mounting piece is a curved plate having a curved surface curved along the curved surface of the fingertip to be mounted. 5. The writing instrument auxiliary tool according to claim 1, wherein the mounting piece is a composite piece in which an elastic body made of a soft synthetic resin foam is laminated on the inner surface of a hard synthetic resin body. 6. The writing instrument auxiliary tool according to claim 1, wherein the base body is a short tubular member having a horseshoe-shaped cross section along the axial direction of the writing instrument.