JPS627511Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a ballpoint pen, and its purpose is to make it easier to carry by halving its length when not in use.

Among writing instruments, fountain pens are already in use that can be made shorter when not in use by lengthening their caps, but it is impossible to change the length of ballpoint pens. ,
I have an inconvenient problem with my cell phone.

The ballpoint pen of the present invention has a pair of plate-shaped or rod-shaped covers whose one ends are connected to be openable and closable by a hinge mechanism, and a core holder whose one end is pivoted to the inner surface of the free end of the cover, and The holding body is characterized in that the length between the shaft attachment portion of the holding body and the connecting end of the cover is such that the holding body can be stored within the cover.

When using this ballpoint pen, rotate the holder, which has one end pivoted to the cover, to the outside of the cover, and then pinch the pivoted end of the holder between the covers. On the other hand, the holder is used integrally. When not in use, open the cover and rotate the holding body protruding from the outside inward of the cover to store the entire holding body within the cover and make the total length the same as the length of the cover. It is something.

An embodiment of the ballpoint pen of the present invention will be described with reference to the drawings. Reference numerals 1A and 1B are a pair of covers in the form of band plates, and pin holes in a support wall 2 standing approximately parallel to one end of both long sides of the cover 1A are inserted into the pin holes. A pin 3 protruding from both sides in the width direction is inserted into one end of both long sides of the cover 1B, so that the covers 1A and 1B are pivotally connected to each other so as to be openable and closable. Reference numeral 4 denotes a vertical wall provided along the entire length of each long side of the facing surfaces of the covers 1A and 1B, and 5 represents an engaging protrusion provided on the opposite surfaces at the end opposite to the pivoting end of the covers 1A and 1B. , and cover 1A
has a recess 6 in the center of the engaging protrusion 5 of the cover 1.
An engagement pin 7 that can be inserted into the recess 6 somewhat tightly is erected at the center of the engagement protrusion 5 of B. It is suitable to provide two engaging protrusions 5, but it is also possible to provide only one engaging protrusion 5. 8 is the engagement protrusion 5 of the covers 1A, 1B
At the end of the side and inwardly from it, each standing wall 4
The vertical wall 4 is connected to the vertical wall 4 by a shaft hole whose axis is in the width direction of the cover 1 and which is opposite to the opposing surface of the vertical wall 4.
The distal end side of the shaft is opened, and the opening is slightly smaller than the diameter of the shaft hole, so that the support shaft can be inserted into the shaft hole 8 by moving in the radial direction, and the shaft can be inserted into the shaft hole 8. It is designed not to be separated as necessary. The shaft hole 8 can also penetrate the vertical wall 4. Reference numeral 9 denotes a groove provided on the inner surface of the cover 1A with its length oriented in the direction.

Reference numerals 10A and 10B are ballpoint pen lead holders formed in the shape of a wide band that can be fitted between the vertical walls 4 and 4 of the cover 1, and one end of which is connected by a thin hinge part 11 and folded in half. The supporting shafts 12 protruding from both sides of each end of each holder 10 in the width direction are attached to the covers 1A, 1.
B is fitted into each shaft hole 8, and the covers 1A, 1
Holders 10A and 10B are installed in a construction manner between both ends of B. Each holder 10 has a length that can be stored between the shaft hole 8 and the shaft end of the cover 1. Reference numeral 13 denotes a through hole provided in the hinge portion 11 through which the tip of the lead of the ballpoint pen protrudes, and is longer than the length of the lead protruding from the end of the holder 10. As shown in FIG. 1, reference numeral 14 denotes a cross-sectional half provided on the surface of the holder 10A that faces the holder 10B when the holder 10 is taken out of the cover 1, extending over almost the entire length of the holder 10A. This is a circular holding groove for a ballpoint pen lead, and one end thereof communicates with the through hole 13. Reference numeral 15 denotes supporting protrusions that protrude from both ends of the retaining groove 14 toward the upper part thereof, and the surface facing the retaining groove 14 is slightly concave in an arc shape, so that the lead of a ballpoint pen inserted into the retaining groove 14 can be used. is supported by a supporting protrusion 15 to prevent the core from escaping from the holding groove 14. 1
6 is the holding body 10 at a position overlapping with the holding groove 14.
A groove is provided at B, into which the lead of the ballpoint pen attached to the holding groove 14 and the supporting protrusion 15 are inserted. Reference numeral 17 denotes an engagement hole provided through the holder 10 on the side of each holder 10 on the support shaft 12 side, and these holes have a size, shape, and shape that allow the engagement protrusion 5 to be inserted in a somewhat tight state. located at the location. cover 1
The concave groove 9 of A is also sized so that the supporting protrusion 15 can fit the core protruding from the surface of the holder 10A. 1
8 is the lead of a ballpoint pen. Cover 1 and holder 1
0 is made of synthetic resin.

The lead 18 in this ballpoint pen can be installed by inserting it into the holding groove 14 through the through hole 13, or by
Separate the support shaft 12 of the holder 10A from the shaft hole 8, push it into the holding groove 14 from between the support protrusions 15, 15, and remove the holder 10 with the tip protruding from the through hole 13.
Attach to. When in use, the covers 1A, 1B and the holders 10A, 1
Join the 0Bs together. Then, as shown by the broken line in FIG. 3, the end of the support shaft 12 side of the holder 10 is held between the covers 1A and 1B, so that the cover 1 and the holder 10 protruding from it are It becomes a single plate shape as shown in the figure. At this time, each engagement protrusion 5 is inserted into the engagement hole 17, and the engagement pin 7 is inserted somewhat tightly into the recess 6, so that the covers 1A and 1B are integrated, and the holder 10 is Maintain the clamped state. In this state, hold the holder 10 and cover 1 and use it like a known ballpoint pen.

When not in use, remove cover 1 from the state shown in Figure 2.
If A and 1B are separated and further opened, the holders 10A and 10B will also be separated from each other as shown in Figure 1, so open the covers 1A and 1B until the holders 10A and 10B are in a straight line, Body 10A, 10
B is folded so that their front sides are in contact with each other, and the covers 1A and 1B are joined together, the entire holder 10 is housed within the cover 1, and the total length is reduced to about half, making it portable. becomes easier. At this time as well, the engagement pin 7 is inserted into the recess 6, and the covers 1A and 1B maintain their joined state.

In this embodiment, the pair of holders 10 are formed integrally with the hinge portion 11, but they may be formed as separate bodies or may be glued together. And covers 1A and 1B
The engaging pin 7 and the recess 6 for coupling can also have any configuration. For example, as shown in FIG.
It is also possible to engage the engaging pieces 20 protruding from the vertical wall 4 of the cover 1B. If the cover 1 and the holder 10 are made into a band shape, the surface thereof can be used as a wide display space, so that many displays can be displayed when used for advertising. However, the shape of the cover 1 and the holder 10 may be arbitrary, such as a rod shape.

In the ballpoint pen of this example, each end of a pair of holders 10 is pivoted to the covers 1A, 1B separately, and the holders 10A, 10B are installed between the covers 1A, 1B.
Since the holders 10A and 10B are attached, both when taking out the holder 10 into the cover 1 and when putting it in the cover 1, the holders 10A and 10B
By opening the covers 1A and 1B until the holder 10 is almost straight, pushing the holder 10 slightly in the desired direction, and closing the covers 1A and 1B, the holder 10 can be taken out and put in. is easier.

FIG. 14 shows another example in which the support shafts 12 of the holders 10A and 10B each have a semicircular cross section, are stacked on top of each other, and are fitted into the shaft hole 8 of one cover 1. Open it and rotate the entire holder 10 to protrude outside the cover 1 or remove the cover 1.
Store inside.

As described above, the ballpoint pen of the present invention has the end of the holder 10 with a lead attached inside the free end of the cover 1, which is pivoted at one end and can be opened and closed with each other. By opening the cover 1 and rotating the holder 10 to take it out of the cover 1, the whole can be made longer and easier to hold. When not in use, the entire holding body 10 can be stored within the cover 1, making it possible to shorten the overall length to the length of the cover 1, making it suitable for carrying and preventing it from getting in the way when placed in a pocket of clothing. It can be lost. Further, since the overall length when not in use can be shortened, it is also possible to attach a ring or the like to the pivot end of the cover 1 so that it can also be used as a key holder.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; Fig. 1 is a front view with the cover open, Fig. 2 is a plan view in use, Fig. 3 is a front view of the same, and Fig. 4 is an enlarged view when not in use. 5 is an enlarged plan view of one cover, FIG. 6 is an enlarged sectional view of the other cover, FIG. 7 is an enlarged plan view of the other cover, FIG. 8 is a sectional view of the same, and FIG. 9 is an enlarged plan view of the holder. A plan view, FIG. 10 is a front view of the same, FIG. 11 is an enlarged sectional view of one holder, FIG. 12 is an enlarged sectional view of the other holder, and FIG. 13 is an enlarged view of another example of the engaging portion. The sectional view and FIG. 14 are front views of another example of the shaft attachment portion of the holder. 1: Cover, 2: Support wall, 3: Pin, 4: Standing wall, 5: Engagement protrusion, 6: Recess, 7: Engagement pin,
8: Shaft hole, 10: Holder, 11: Hinge part, 1
2: Support shaft, 14: Holding groove, 15: Support protrusion, 1
7: Core.

Claims (1)

[Claims for Utility Model Registration] (1) A pair of plates or rod-shaped covers whose one ends are connected to each other so that they can be opened and closed by a hinge mechanism, and a core holder whose one end is pivoted to the inner surface of the free end of said cover. A ballpoint pen, wherein the holder has a length that can be stored in the cover between the shaft attachment part of the holder and the connecting end of the cover. (2) A request for utility model registration in which the holding body is formed by a pair of plates or rods that are foldably connected at one end at a hinge, and each free end of the pair of holding bodies is separately pivoted to a pair of covers. The ballpoint pen described in item 1 of the range.