JP2518575Y2 - Writing instrument - Google Patents

Description

[Detailed description of the device] [Industrial applications]

The present invention relates to a writing instrument such as a ballpoint pen or a mechanical pencil that has a clip integrally.

[Prior art and its problems]

In general, when a writer holds a writing instrument in his hand, hold the tip of the body with his thumb, index finger, and middle finger so that the back end of the body of the writing instrument touches the side of the base of the index finger. In this way, the writing instrument is stably supported in an appropriately inclined state with respect to the paper surface. By the way, since the body tip of a conventional writing instrument has a shaft diameter of at most 8 to 9 mm, unless a large clamping force is applied to the three fingers, a sufficient downward force can be applied toward the paper surface. Can not. For the thumb and forefinger, the ventral side of the finger is applied to the body, so there is no so-called "pentaco" on these fingers, but for the middle finger, the side of the third joint that has less meat is used as the body. Since it hits, in combination with the small shaft diameter of the body as described above, the above-mentioned portion is often reddish or a so-called "pendaco" is formed. As an attempt to solve the above problem, there is a writing instrument in which the tip end portion of a writing instrument is covered with a tubular rubber so that the tip end portion of a body is thickened and the contact with the middle finger is softened. However, since rubber that can be used for a long period of time has a certain degree of hardness, its elasticity is not enough to change the feeling of use, and it is troublesome to install such a tubular rubber, and further, the appearance. It is undeniable that you feel unclean. On the other hand, for writing instruments that you carry in your pocket,
It has a clip to make it convenient to hold. In addition, such a writing instrument designed to be carried around can be inserted into a pocket such as a shirt without any inconvenience, and its overall length is approximately 12 to 12 inches, which corresponds to the depth of the pocket such as a shirt.
It's only about 13 cm. In addition, the above clip has a total length of 4-5 cm, so when you hold such a writing instrument in your hand, the clip will hit the finger of the writer as a protrusion,
The usability is very bad. In particular, in the case of a writing instrument whose body has a circular or regular polygonal cross section, it may be held by the writer at any pivot position, and then the clip may hit the writer's finger in a protruding shape. It occurs. The present invention was devised under the circumstances described above, and despite being equipped with a clip, the clip does not hit the fingers of the writer as a protrusion to deteriorate the usability, and It is an object of the present invention to provide a writing instrument which is improved so that a "pendaco" cannot be formed on the middle finger.

[Means for Solving the Problems]

In order to solve the above problems, the present invention takes the following technical measures. That is, the present invention is directed to a writing instrument having a writing tip portion at the tip of a body having a predetermined length, in which a predetermined gap is provided between the outer surface of the tip portion of the body and the body, and the body faces from the tip end to the base end. While the clip is integrally formed, the outer surface of the clip is a substantially flat and wide finger contact surface, and the clip is deformable so that the finger contact surface is elastically retracted. Characterize.

[Action]

In the writing instrument of the present invention, since the clip is formed on the front end side of the body, the clip at the rear end of the body does not hit the side of the writer's index finger like a foreign object unlike the conventional example. And the three fingers of the writer's thumb, index finger, and middle finger are
The tip of the body on which the clip is formed is clamped. In this case, since the outer surface of the clip of the writing instrument of the present invention is a substantially flat and wide shape and is an elastically immersible finger contact surface, for example, when the middle finger touches the outer surface of the clip, the contact area with the middle finger is large. Even if a large clamping force is applied to the finger, "pendaco" does not occur, and moreover, the clip can be elastically inserted, so that a cushioning effect occurs and the usability is greatly improved.

[Effect of device]

As described above, the writing instrument of the present invention is provided with a clip that is convenient for holding it on clothes while carrying it, and with a three-finger clip that was only an obstacle to give a sense of foreign matter when held by the writer. It has an excellent effect that it can positively help improve the feeling of use when pinching the body tip part, and can improve the feeling of use while solving the problem of "pendaco" on the middle finger as in the past. To demonstrate. Further, since the writing instrument of the present invention has the clip provided on the writing tip side of the body, even if the writing tip is accidentally inserted into the pocket of the clothes with the writing tip part left, the writing tip part faces upward and the bottom part of the pocket is soiled. It doesn't happen.

[Explanation of the embodiment]

Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings. The embodiment shown in FIGS. 1 to 4 is an example in which the present invention is applied to a knock type ballpoint pen. The body 1 set to a length of 12 to 13 cm has a substantially quadrilateral cross section with a smooth bulge as shown in FIG. 2 and is held by the thumb, forefinger and middle finger at the tip 1a. The part has the maximum thickness, and the diameter is reduced smoothly toward the rear end.
A hole 3 through which the pen tip 2 can be projected and retracted is formed at the tip of the body 1, and a knocking projection 4 is formed at the rear end.
Is facing. Although illustration is omitted, inside the body 1, if the knock projection 4 is pushed in, the pen tip portion 2 is projected from the hole 3, and if pushed again, the pen tip portion 2 is pushed.
A well-known mechanism capable of retracting the above from the hole 3 into the body is incorporated. As a mechanism for retracting the pen tip 2 in addition to the above mechanism, there is also a system for rotating the body base end side. The body 1 is preferably made of resin for the convenience of molding. A clip 5 extending from the distal end toward the proximal end is integrally formed on the outer side of the distal end 1a of the body 1. The length of this clip 5 is 12 to 13 cm as long as the body 1
Then, it is good to set it to about 4 cm. The characteristic feature of the clip 5 in the present invention is that the wide and substantially flat outer surface 5a can be elastically deformed. As shown in FIG. 3, in this embodiment, the clip 5 is used.
The width of is approximately as wide as the diameter of the body 1. Further, the clip 5 has a clearance 6 between itself and the body 1 so as to hold a pocket of clothes between the body and the body 1 and extends toward the base end side. The outer surface 5a is elastically immersible and deformable as shown in FIG. 4 by being made relatively thin. A projection 7 is formed on the inner surface of the tip of the clip 5 so that when the writing instrument is inserted into the pocket, the projection 7 elastically clamps the surface of the pocket to generate a frictional force against the pocket. . With the above structure, the writing instrument is held by the writer so that the outer surface 5a of the wide clip 5 contacts the middle finger, as shown in FIG. Due to the structure of human fingers, when the tip portion of the body 1 is sandwiched between the thumb, the index finger, and the middle finger, only the middle finger has to contact the body 1 with the thin side face near the third joint. In the invention, first of all, since the outer surface of the clip 5 to be hit by the middle finger is substantially flat and wide,
Compared to the conventional writing instruments that hit the corresponding part of the middle finger on the outer circumference of the thin shaft, it hits the body with a large area, so the force is dispersed in a wide range, so "Pendaco"
The occurrence of can be effectively avoided. Not only that, the outer surface 5a of the clip 5 can be elastically retracted and deformed by an external force as shown in FIG.
The side surface of the middle finger can be supported with a cushioning effect, which can significantly enhance the writer's feeling of using the writing instrument as compared with the conventional one. In addition, for carrying, despite the relatively short body length of 12 to 13 cm, the conventional general carrying that the clip hits the side of the base of the index finger with a feeling of foreign matter like a protrusion The drawbacks of writing instruments are fundamentally solved. 5 to 7 show a second embodiment of the present invention. This embodiment is also an example in which the present invention is applied to a knock type ball-point pen, and the pen tip portion 2 is projected and retracted from the hole 3 at the tip of the body 1 by repeatedly pushing the knock projection. In this embodiment, the shape of the tip portion 1a of the body 1 is characteristic. That is, the tip portion 1a of the body 1 is thicker than that of the first embodiment shown in FIGS. 1 to 4, and, as seen in the cross-sectional view of FIG.
The index finger receiving surface 8, the thumb receiving surface 9, and the middle finger receiving surface 10 form each side of a substantially triangular shape. Then, by disposing the axis of the pen tip portion 2 in the vicinity of the intersection of the cross section of the index finger receiving surface 8 and the thumb receiving surface 9,
The downward pressing force (on the paper surface) applied from the index finger to the index finger receiving surface 8 is effectively transmitted to the pen tip portion 2 without applying a rotational moment to the body. This is because when the writing instrument is held by the writer, due to the structure of the hand, the axial center of the pen tip and the axial center of the index finger do not match, and they intersect at an angle, and the pressing force of the index finger is effectively applied to the pen tip. It solves problems that are not transmitted. In the present embodiment, the wide clip 5 is formed over the entire width of the middle finger receiving surface so that the outer surface 5a forms the middle finger receiving surface 9. By doing so, the outer surface 5a of the clip 5 supports the side surface of the middle finger over a wide area with a more effective cushioning effect. It will be easily understood that the working effects described in the first embodiment are also exerted in this embodiment. Although the embodiment shown in FIGS. 5 to 7 is dedicated to the right hand, it can be formed symmetrically with respect to the axis of the body 1 to be dedicated to the left hand. Further, in order to change the embodiment for the right hand shown in FIGS. 4 to 6 so that it can be held by both the left hand and the right hand without any problem, the cross section of the tip portion 1a of the body 1 can be changed from FIG. 8 to FIG. 11
It is recommended to do as shown in the figure. Also in these cases, clip 5
The outer surface 5a of the is gripped by the writer so as to function as the middle finger receiving surface. Of course, the scope of the present invention is not limited to the embodiments shown in the drawings. For example, all of the examples are knock type ballpoint pens, but non-knock type ballpoint pens, felt pens, and the like in which the pen tip portion 2 is fixed in advance so as to project from the tip of the body.
Furthermore, the present invention can be applied to a mechanical pencil or the like without any problem. Further, in all the examples, the clip 5 is formed integrally with the body 1 formed of resin.
May be made of, for example, a thin plate metal, and integrated with the resin body 1 by, for example, inserting. In this case, it is easy to make the width of the clip 5 larger than the shaft diameter of the body 1 as shown in FIGS. When the width of the clip 5 is further increased in this way, the stability of the posture of the writing instrument hand of the writing instrument is improved.
The additional effect of further improvement is achieved.

[Brief description of drawings]

FIG. 1 is an overall perspective view of the first embodiment of the present invention, FIG. 2 is a use state explanatory view, FIG. 3 is a sectional view taken along the line III-III of FIG. 2, FIG. 4 is an operation explanatory view, and FIG. Is an overall perspective view of the second embodiment,
6 is a side view, FIG. 7 is a sectional view taken along line VII-VII of FIG. 6,
8 to 11 are sectional views of another embodiment, FIG. 12 is a side view of the other embodiment, FIG. 13 is a front view, and FIG. 14 is a rear view. 1 ... Body, 2 ... Pen tip (brush tip) 5 ... Clip, 5a
… The outer surface (of the clip).

Claims (1)

(57) [Scope of utility model registration request] 1. A writing instrument having a writing point at the tip of a body having a predetermined length, wherein a predetermined gap is formed between the outer surface of the tip of the body and the body so that the body extends from the tip toward the base. While forming a stretchable clip integrally,
A writing instrument, wherein an outer surface of the clip is a substantially flat wide finger contact surface, and the clip is deformable so that the finger contact surface is elastically retracted.