JP7195038B1 - Refillable makeup tool - Google Patents

Abstract

[Problem] To provide a lead replacement type cosmetic tool that can be easily replaced without replacing the cosmetic container with a new one after the lead has been used, and the cosmetic tool can be used continuously as it is. offer. The present invention comprises a substantially cylindrical spiral rod (7) provided with a spiral groove (6) formed by a spiral ridge (29) on the inner peripheral surface of a hollow portion, and a fitting fitting fitting into the spiral groove (6). A forward/backward rod 9 which has a portion 19 and which is capable of advancing/retreating in the longitudinal direction of the hollow portion of the spiral rod 7 by rotating the spiral rod 7 so that the fitting portion 19 spirally moves in the spiral groove 6 and the forward/backward rod 9 a lead chuck member 5 having a lead gripping member 8 for mounting the lead 4, a base rod 18 to which the spiral rod 7 is rotatably inserted and attached, and a pen tip attached to the tip of the base rod 18. A part 3 is provided. [Selection drawing] Fig. 1

Description

The present invention relates to cosmetic tools such as eyebrows and eyeliners, and more particularly to a refillable cosmetic tool whose core material can be easily replaced by the purchaser himself/herself and which can be used repeatedly without discarding the used container. .

For cosmetic tools such as eyeliners and eyebrows, conventionally, the disposable type, that is, the disposable type, in which the entire plastic cosmetic container itself is discarded after the core has been used up and replaced with a cosmetic tool containing a new core, is the mainstream. It was.

However, in recent years, the movement to reduce CO ₂ typified by carbon neutrality and the movement to eliminate the destruction of the marine environment by plastic products have become global trends. and the movement to replace with recycled products is gradually increasing.

However, in the movement to replace plastic products, there are problems such as an increase in product cost and a decrease in functionality.

JP 2003-159119 A

The present invention has been devised to address the above-mentioned conventional problems. For example, in the case of a retractable cosmetic pencil, after the lead has been used up, the entire cosmetic container can be discarded and replaced with a new one. To provide a core exchange type cosmetic tool whose lead can be easily replaced without removing the cosmetic tool and which can be continuously used as it is.

Unlike hard stationery cores that are kneaded with resin, cores used for eyebrows and eyeliners are composed of cosmetic pencil cores with oil and wax as base materials. Since the cosmetic pencil lead is soft, it needs to be handled with care. In addition, it has been extremely difficult to cleanly pull out the remnants of the lead that remain on the part called the lead chuck that holds the lead.

Conventionally, a used lead remains in the lead chuck. For example, even if a new lead is loaded and the cosmetic tool is changed to a type that can be used repeatedly, the residue of the lead remaining in the lead chuck can be removed cleanly. There was a problem that it was difficult to clean the conventional container by using a vacuum cleaner.

Further, conventionally, cores have been loaded in separate cosmetic tools for each color, and when purchasing cosmetic material products of various colors, it has been necessary to purchase cosmetic material products for each color. Therefore, it was necessary to display makeup tools and the like in the same number as the number of colors on the sales floor.

However, according to the present invention, by separately selling the cosmetic tool and the extra lead or the cosmetic tool and the extra lead attached to the lead holder as a set, the SKU (stock management unit) of the cosmetic tool becomes one, and the manufacturer It will also be possible to reduce the inventory risk of
Furthermore, even if a set of extra leads or extra leads attached to a lead chuck member is used as a separately sold product, the volume is small, so there is an advantage that the valuable storefront can be used efficiently.

The present invention
a substantially cylindrical helical rod provided with a helical groove formed by a helical ridge on the inner peripheral surface of the hollow portion;
an advancing/retreating rod having a guide projection that fits into the spiral groove and being capable of advancing/retreating in the longitudinal direction of the hollow portion of the spiral rod by rotating the spiral rod so that the guide projection spirally moves within the spiral groove; a lead chuck member provided at the tip of the lead chuck member having a lead gripping member for mounting the lead;
a base rod to which the spiral rod is rotatably inserted and attached;
Equipped with a pen tip that can be attached to the tip of the base rod,
The core gripping member has a cylindrical base and a core gripping piece portion composed of a plurality of core gripping pieces planted upward at intervals in the circumferential direction from the outer peripheral end of the upper surface of the base. ,
The pen tip portion is removed from the base rod, the base of the lead gripping piece is projected until it is exposed from the tip opening of the base rod, and the guide projection is removed from the spiral groove to move the lead chuck member to the spiral rod. While configured to be removable from
After removing the lead chuck member, the lead chuck member to which the replacement lead is attached is inserted into the spiral rod from the tip opening of the base rod from the side where the guide projection is provided , and the spiral rod is rotated to rotate the guide . The protrusion is fitted in the spiral groove, and the core chuck member is configured to be movable forward and backward in the spiral rod longitudinal direction within the spiral rod,
After the lead chuck member is accommodated in the base rod, the pen tip is attached to the base rod;
characterized by
or,
The configuration in which the core chuck member can advance and retreat in the spiral rod longitudinal direction is
A starting portion of a spiral groove is formed on the upper side of the hollow portion of the spiral rod, the guide projection is loosely engaged in the beginning portion of the spiral groove, and the guide projection is moved into the spiral groove by rotating the spiral rod. The core chuck member can be inserted into the back side of the spiral rod by being fitted, and can be pulled back to the tip side of the spiral rod by rotating in the opposite direction.
characterized by
or,
The configuration in which the core chuck member can advance and retreat in the spiral rod longitudinal direction is
The tip opening of the spiral rod is directed upward and held substantially vertically, the lead chuck member is inserted into the tip opening from the guide protrusion side of the lead chuck member, and the guide is inserted into the starting portion of the spiral groove. It is a configuration in which the protrusion is loosely locked and the spiral rod is rotated,
It is characterized by

According to the lead-replaceable cosmetic tool of the present invention, even in the case of a retractable cosmetic pencil or the like, after the lead has been used up, the entire cosmetic container can be discarded, and only the lead can be replaced without replacing it with a new one. The cosmetic container can be used continuously without being discarded, and the wick is structured to be easily replaced, and if only the wick is replaced, the wick residue remaining in the wick holder's wick holder can be removed cleanly. In addition, if the lead attachment set attached to the lead holder is replaced, the lead holder can be replaced without directly touching the lead residue remaining in the lead chuck with the hand, and the hands are not soiled. There is no merit.

Therefore, the cosmetic container can be used repeatedly as it is without being discarded as a whole, so that it is possible to reduce the burden on the purchaser.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described based on an embodiment shown in the drawings.
1 and 2 show a refillable cosmetic tool 1 according to the present invention.
The refillable cosmetic tool 1 includes a core 4, a core chuck member 5 to which the core 4 is attached, a spiral rod 7 to which the core chuck member 5 is attached so as to be movable in the longitudinal direction, and a spiral rod 7 to which the core chuck member 5 is attached. It has a holder 2 to be incorporated, and these are assembled to form a basic replaceable refill type cosmetic tool 1. - 特許庁Furthermore, the above-mentioned assembled basic replaceable cosmetic tool 1 is put into, for example, a cylindrical cosmetic tool main body and a cylindrical cap, and is sold as a replaceable lead cosmetic tool 1 with various designs.

Here, the holder 2 has a substantially cylindrical base rod 18 having a hollow portion inside, and a pen tip portion 3 attached to the tip of the base rod 18 .
The tip opening of the base rod 18 is fitted with the rear end portion of the pen tip portion 3 to form the holder 2, and the pen tip portion 3 has a rod-like cosmetic core 4 that extends from the tip opening. It is configured so that it can protrude with a length that can be used for makeup.

Here, the attachment of the pen tip portion 3 to the base rod 18 will be described with reference to FIG.
The pen tip portion 3 has a fitting portion 19 at the rear end portion thereof, the fitting portion 19 being fitted into the tip opening of the base rod 18 . As can be seen from FIG. 3, the fitting portion 19 is constructed by providing at least two fitting pieces 21 having fitting projections 20 on the upper surface thereof at the outer peripheral end of the rear end portion of the pen tip portion 3 with an interval therebetween. be done. A substantially semicircular fitting guide piece 22 is provided next to the fitting piece 21 , and the fitting guide piece 22 is also a component of the fitting portion 19 .

Here, FIG. 3 shows an example in which a pair of fitting pieces 21 are provided for the fitting portion 19 . However, in FIG. 3, the fitting piece 21 on the upper side can be seen, but the fitting piece 21 on the lower side cannot be seen.

A lock mark 23 is formed on the outer peripheral surface of the pen tip portion 3 at the same position as the fitting piece 21 . Further, a lock mark 23 is also provided on the outer peripheral surface on the side of the base rod 18, and when the pen tip portion 3 is inserted into the hollow portion of the base rod 18 with the lock marks 23 aligned, the fitting projection 20 is provided. The fitting piece 21 is engaged with the inner peripheral surface of the hollow portion of the base rod 18, and the pen point 3 cannot be extracted from the base rod 18. - 特許庁

The pen tip portion 3 is separated from the base rod 18 by rotating the pen tip portion 3 to the left, for example, and moving the lock mark 23 of the pen tip portion 3 to the position of the unlock mark 24 provided on the base rod 18 . match the

Here, a release groove 25 is provided on the inner peripheral surface of the hollow portion of the base rod 18 where the unlock mark 24 is provided, and the unlock mark 24 provided on the base rod 18 is the lock mark 23 of the pen tip portion 3 . , the fitting protrusion 20 of the fitting piece 21 is loosely inserted into the release groove 25, and the pen tip 3 can be separated from the base rod 18 by pulling out the pen tip 3 in this state. In FIG. 3, the release groove 25 in which the lower fitting piece 20 of the nib portion 3 is loose can be seen. A similar unlocking groove 25 is provided on the back side of the unlocking mark 24 in FIG. 3, but is not visible in FIG.

It should be noted that this is an embodiment in which the pen tip portion 3 is fitted to the base rod 18 and the pen tip portion 3 is separated from the base rod 18, and the mounting method is limited to the locking method or unlocking method of this embodiment. not to be A female thread and a male thread may be provided on both members so that they can be screwed together, or both members may be fitted.

Next, the configuration of the lead chuck member 5 will be described. The lead chuck member 5 has a rod-like advancing/retreating rod 9 which is movable while rotating in the longitudinal direction of the hollow portion of the spiral rod 7, and a lead gripping member 8 is provided at the tip of the advancing/retreating rod 9. The lead gripping member 8 has a lead gripping piece portion 12 composed of a plurality of lead gripping pieces 10 for gripping and holding the lead 4 .

The advancing/retreating rod 9 has a substantially cylindrical shape, and a guide projection 15 projecting outward from the outer peripheral surface of the advancing/retreating rod 9 is provided at the rear end in the longitudinal direction thereof. At the rear end in the longitudinal direction of the advancing/retreating rod 9, the guide pieces are at least spaced apart in the circular outer peripheral direction in a state of protruding slightly outward from the outer peripheral surface of the rear end and protruding downward. It is also possible to provide two guide pieces and provide the guide protrusion 15 having the above shape on the outside of the guide pieces. However, a type in which the guide projection 15 is provided directly on the outer peripheral surface of the rear end portion of the advancing/retreating rod 9 without providing the guide piece may also be used.

The helical rod 7 is formed in a substantially cylindrical shape, and is formed in the inner hollow portion so as to protrude from the inner peripheral surface of the hollow portion toward the axis of the hollow portion, and is spirally connected in the longitudinal direction of the hollow portion. It is configured with a spiral ridge 29 .

Here, the spiral groove starting portion 30 formed by the spiral ridge 29 is not formed at the upper end position of the hollow portion of the spiral rod 7, but is provided at a position deeper than the upper end portion of the hollow portion. . The reason why the spiral groove starting portion 30 is not provided at the upper end of the hollow portion but is provided at a position deep inside from the upper end of the hollow portion is from the upper end of the hollow portion of the spiral rod 7 to the position deep inside. This is because the rear end side of the advancing/retreating rod 9 can be inserted into the hollow portion of the spiral rod 7, thereby improving the initial attachment stability of the core chuck member 5 to the spiral rod 7. FIG.

As shown in FIG. 7, a plurality of spiral groove starting portions 30 are provided at intervals in the circumferential direction on the inner peripheral surface of the hollow portion on the distal end side of the substantially cylindrical spiral rod 7 . FIG. 8 is a developed view thereof, and in FIG. 8, four are provided in the circumferential direction, and each spiral protrusion 29 is connected from each spiral groove starting portion 30 and extends spirally to the back of the spiral rod 7. configured to emit.

In this embodiment, four spiral groove starting portions 30 are provided, and the spiral ridges 29 are connected from the respective spiral groove starting portions 30, respectively. It does not matter if there are two or more groove start portions 30 .

If the number of spiral groove starting portions 30 is small, the number of spiral ridges 29 connected thereto is also small, so the groove width of the spiral groove 6 formed by the upper and lower spiral ridges 29 is widened, and the number of spiral groove starting portions 30 is increased. As the number increases, the number of spiral ridges 29 connected thereto also increases, so the groove width of the spiral groove 6 formed by the upper and lower spiral ridges 29 becomes narrower.

In this embodiment, the spiral groove 6 having a predetermined groove width is formed by providing four spiral groove starting portions 30 so that the lead chuck member 5 can smoothly rotate spirally and move within the spiral rod 7 . be.

Therefore, when the length of the spiral rod 7 is increased or the size of the guide projection 15 is increased, the lead chuck member 5 can smoothly rotate spirally and move within the spiral rod 7. , the number of spiral groove starting portions 30 may be changed to form a spiral groove 6 having a changed groove width.

When attaching the core chuck member 5 to the spiral rod 7, first, the spiral rod 7 is held vertically with the tip opening upward. Then, with the lead gripping piece 10 side facing the front end side and the guide projection 15 side of the rear end portion of the advancing/retreating rod 9 facing the rear end side, the lead chuck member 5 is vertically held through the tip opening of the spiral rod 7 and into the hollow portion. insert into Then, the core chuck member 5 having, for example, at least two or more guide projections 15 falls toward the hollow portion of the spiral rod 7 due to its own weight. The guide projection 15 is loosely fitted to the starting portion of the spiral groove 6 composed of the plurality of spiral groove starting portions 30 and is locked there. It never falls to the back of the hollow part of the spiral rod 7.

When the spiral rod 7 is rotated by using the rear end knob 16 or the like of the spiral rod 7 while the guide projection 15 is loose in the spiral groove 6 , the guide projection 15 moves from the beginning of the spiral groove 6 . It smoothly moves in the connected spiral groove 6 and spirally moves to the inner side of the spiral rod 7. - 特許庁By further rotating, the forward/backward movement rod 9 and core chuck member 5 can be advanced to the far side of the spiral rod 7 .

That is, by rotating the helical rod 7, the guide projection 15 provided on the forward/backward rod 9 is helically rotated within the helical groove 6 formed by the helical ridge 29 provided on the inner peripheral surface of the hollow portion of the helical rod 7. and can move to the inner side of the hollow portion. By spirally moving the guide projection 15 on the spiral ridge 29, the advancing/retreating rod 9 and thus the core chuck member 5 can be moved to the back side of the spiral rod 7 while rotating.

As described above, the guide projections 15 protruding in the shape of a round ball are opposed to each other on the outer peripheral surface of the cylindrical rear end portion of the advancing/retreating rod 9 or on the guide piece provided at the rear end portion. Although it is preferable to provide at least two or more, for example, it is provided so that two or more may be provided.

Further, the tip opening of the hollow portion of the spiral rod 7 may be configured so that the guide projection 15 provided at the rear end portion of the advancing/retreating rod 9 can be easily inserted. That is, the tip opening of the hollow portion of the spiral rod 7 is provided with a guide surface that is slightly widened outward so that the guide protrusion 15 can be easily inserted into the spiral protrusion 29. A structure in which the rear end portion of 9 easily enters the hollow portion of the spiral rod 7 may be employed.

Thus, the guide projection 15 is loosely fitted to the starting portion of the spiral groove 6 and locked. When the spiral rod 7 is rotated in this state, the guide projection 15 moves in the smoothly connected spiral groove 6 .

That is, by rotating the spiral rod 7 using a rear end knob 16 provided at the rear end portion of the spiral rod 7 or a cosmetic tool body or the like attached so as to interlock with the rear end knob 16, the forward/backward rod 9 is provided. The lead chuck member 5 can be smoothly inserted into the inner part of the hollow portion of the spiral rod 7 and can be smoothly pulled back to the tip side of the spiral rod 7. - 特許庁

As described above, the lead chuck member 5 can be smoothly inserted into the helical rod 7 and can be pulled back because the guide projections 15 provided at the rear end of the advancing/retreating rod 9 are provided in two pieces, for example, in the helical rod 7 . This can be achieved by making the starting portion of the helical groove 6 provided in the hollow portion and the helical groove 6 connected therewith easily loose, engaged, and helically slidable.

Further, when the present invention is used, that is, when used as an eyeliner or the like, the lead chuck member 5 to which the lead 4 is attached has the guide projection 15 composed of an upper spiral ridge 29 and a lower spiral ridge 29. Since it is in the spiral groove 6, it will not move freely in the longitudinal direction of the spiral rod 7 by being blocked by the upper and lower spiral ridges 29.例文帳に追加This is also a major feature of the present invention.

Next, a method of inserting the spiral rod 7, that is, the spiral rod 7 to which the core chuck member 5 with the core 4 is attached, into the hollow portion of the base rod 18 will be described.

In FIGS. 1 and 2, reference numeral 14 denotes a locking projection provided on the rear end side outer peripheral surface of the spiral rod 7 and projecting outward in a ring shape. The spiral rod 7 is inserted from the rear end opening of the base rod 18 so as to be pushed into the hollow portion of the base rod 18 , and the locking projection 14 projecting in a ring shape fits into the ring-shaped recess provided in the hollow portion of the base rod 18 . By being fitted, the base rod 18 and the spiral rod 7 are integrated, so that the spiral rod 7 cannot be easily extracted from the base rod 18. - 特許庁Then, while the outer peripheral surface of the base rod 18 is held, the spiral rod 7 is moved in the axial direction of the base rod 18 by the fitting state of the locking projection 14 and the ring-shaped recess provided in the hollow portion of the base rod 18 . can be easily rotated around the axis of rotation. Next, the pen tip portion 3 is fitted to the tip of the base rod 18 to assemble the refillable cosmetic tool 1 as the basic form of the present invention. The refillable cosmetic tool 1 with various designs can be obtained. The cosmetic tool body to which the spiral rod 7 is inserted and attached can be configured to interlock with the rear end knob 16 of the spiral rod 7, so that when the cosmetic tool body is rotated, the spiral rod 7 is rotated. .

Here, after assembling the core-replaceable cosmetic tool 1 according to the present invention, the cosmetic tool body is rotated in the axial direction of the cosmetic tool body, and while holding the base rod 18 exposed on the tip side with fingers, the cosmetic tool is assembled. Rotate the body. Then, the spiral rod 7 can be rotated, and this rotation causes the lead 4 attached to the lead chuck member 5 to smoothly protrude from the tip opening of the pen tip portion 3 or retreat into the pen tip portion 3. can do

In the present invention, when the pen tip portion 3 is attached to the tip of the base rod 18 and the rotation of the spiral rod 7 is continued to project the core 4 from the pen tip portion 3, the rotation shown in FIG. 2, the tip of the lead gripping piece 10 abuts against a locking wall 28 provided in the through hole 27 of the pen tip portion 3 so that the lead chuck member 5 itself does not protrude from the pen tip portion 3. ing.

Then, the guide protrusion 15 stays on the spiral groove starting portion 30, and the guide protrusion 15 repeats the rotating motion on the spiral groove starting portion 30. As shown in FIG.
Further, the lead chuck member 5 is only rotated repeatedly, and does not protrude upward.

When the pen tip portion 3 is attached to the base rod 18 in this manner, an engaging wall 28 is provided in the through hole 27 of the pen tip portion 3 to function as a stopper to prevent the lead gripping piece 10 from jumping out of the pen tip portion 3. It is also a significant feature that the tip of the lead gripping piece 10 is configured to be locked to the locking wall 28 .

By the way, the lead gripping piece portion 12 constituting the lead chuck member 5 has, for example, a cylindrical base portion 11 at the tip of the advancing/retreating rod 9. Also, it has a plurality of core gripping pieces 10 erected upward.

Further, as can be understood from FIGS. 1, 2, and 4, the tip sides of the plurality of core gripping pieces 10 are curved outward, and the inner periphery of the core gripping pieces 10 extends toward the tip side. The surface is shaved and thinned, and this portion is configured as an insertion guide port 17 into which a particularly soft core 4 can be easily inserted into a core insertion space constituted by being surrounded by a plurality of core gripping pieces 10 (Fig. 1). , FIGS. 2 and 4).

Therefore, when inserting the soft core 4 into the insertion guide port 17, the soft core 4 can be pushed until it touches the upper surface of the base 11 without damaging it. A predetermined interval is provided between the plurality of core gripping pieces 10, so that each core gripping piece 10 stands independently.

The lead gripping piece 10 is erected with flexibility so that it can be easily bent to the inside and outside of the insertion space. 4 can be attached without damaging the soft core.

A protrusion 13 projecting outward is provided on each of the outer peripheral surfaces of the plurality of lead gripping pieces 10, and the plurality of lead gripping pieces 10 constitute the holder 2. The through hole 27 of the pen tip portion 3 and the base rod. When entering the cavity 18, the projection 13 abuts against the cavity wall. Then, each lead gripping piece 10 narrows inward, so that the gripped lead 4 can be fitted more firmly.

Furthermore, ribs 26 extending in the longitudinal direction of the core gripping piece 10 for preventing core slippage are provided on the inner peripheral surface of each core gripping piece 10, and the core 4 gripped by the ribs 26 is further strengthened. and prevents the soft core 4 from coming off without damaging it. The lead 4 is attached to the lead gripping member 8 in advance.

Then, as already described, after the lead chuck member 5 with the lead 4 mounted thereon is inserted into the helical rod 7, the helical rod 7 with the lead chuck member 5 is fitted into the hollow portion of the base rod 18, and then the base rod 18 is inserted. A pen tip part 3 is fitted to the tip of the pen, and it is used as a basic refillable cosmetic tool, and the basic refillable cosmetic tool is attached with the main body of the cosmetic tool and a cylindrical cap to provide a lead with various designs. Thus, the assembly of the replaceable cosmetic tool 1 is completed.

In the above, the replacement method of the replacement core 4 in the cosmetic tool of the present invention will be described. As shown in FIG. 1, the replaceable cosmetic tool 1 is held upright in a substantially vertical direction. Then, the pen tip portion 3 is removed from the base rod 18, and the cosmetic tool main body configured to interlock with the rear end knob 16 of the spiral rod 7 is rotated. Then, the base 11 of the lead gripping piece 12 of the lead gripping member 8 can be protruded into the open end of the base rod 18 until it is exposed as shown in FIG.

After the base 11 of the core gripping piece 12 is exposed to the above-described location, even if the cosmetic tool body is further rotated, the base 11 of the core gripping piece 12 will not protrude further. This is because, as described above, the guide projection 15 only rotates and slides on the spiral groove starting portion 30 and does not rise any further in the hollow portion of the spiral rod 7 .

The shortened lead 4 is removed from the lead gripping piece 12 by projecting and exposing in this way.
After removing the shortened lead 4, the pen tip 3 is attached to the tip opening of the base rod 18 again. After that, the core 4 is inserted through the tip opening of the pen tip portion 3 . Then, the lead 4 is smoothly fitted into the lead gripping piece portion 12. - 特許庁It should be noted that the core 4 can be attached even when the pen tip portion 3 is not attached.

Here, after attaching the pen tip portion 3 to the base rod 18, when attaching the replacement core 4, the cylindrical hollow portion continuing from the tip opening of the pen tip portion 3 to the back side, that is, the inside of the through hole 27 The peripheral wall functions as a guide passage for fitting the inserted lead 4 into the lead gripping piece portion 12 .

Then, after the core 4 is fitted into the core gripping piece 12 and attached, the makeup tool main body interlocked with the rear end knob 16 is rotated in the reverse direction. Then, the guide projection 15 moves inside the spiral groove 6, and the lead gripping member 8 retreats to the inner side of the spiral rod 7. As shown in FIG.

In use, the core 4 is protruded by an appropriate length from the tip opening of the nib 3 and used as an eyebrow, eyeliner, or the like.
As described above, the lead chuck member 5 to which the lead 4 is attached does not move during use as an eyebrow, eyeliner, or the like. Makeup cannot be applied if the core 4 moves during use. In the present invention, during use, the guide protrusion 15 of the lead chuck member 5 is in the spiral groove 6 formed by the upper spiral protrusion 29 and the lower spiral protrusion 29, and the lead chuck member 5 moves in the longitudinal direction. is blocked.

By the way, when the core 4 becomes extremely short due to use and must be replaced, when only the core 4 is to be replaced, the pen tip 3 is removed from the base rod 18 and the base rod 18 is removed as described above. From the tip opening, as shown in FIG. 1, the base 11 of the lead gripping piece 12 of the lead gripping member 8 is exposed. In this way, the shortened lead 4 in the protruding lead gripping piece 12 is taken out. However, when the lead 4 is taken out, it is necessary to clean the exposed upper surface of the lead gripping piece 12 and the base 11 to remove the residue of the lead 4 . The present invention has also solved this problem.

In other words, although the example in which only the lead 4 is replaced has been described above, the present invention is not limited to this.
As shown in the figure, the replacement lead 4 is sold in a state of being attached to the lead chuck member 5 in advance. This is because we thought that selling only the replacement wick 4 and having the customer replace only the replacement wick 4 would be a heavy burden on the customer.

The first problem is that the user's fingers get dirty. This is because the replacement lead 4 itself must be directly grasped by hand to carry out the replacement work. Secondly, after removing the shortened lead 4, it is necessary to clean the upper surface of the lead gripping piece 12 and the base 11 to remove the residue of the lead 4. - 特許庁This is because the user himself/herself has to perform the cleaning work. Then, when removing the remaining portion of the core 4, a tool such as a toothpick must be used. This is because there is a risk that the lead gripping piece 12 may be damaged by the tool such as the toothpick.

Therefore, the present inventor prepared a replacement set for the replacement lead 4 in a state in which the replacement lead 4 was attached to the lead chuck member 5 in advance, and sold it separately. The replaceable lead type cosmetic tool 1 of the present invention has a structure in which even a user can easily remove the lead chuck member 5 to which the shortened lead 4 is attached, and the replacement lead 4 is attached in advance. In addition, the structure is such that the lead chuck member 5 itself can be easily replaced.

How to replace it will be explained.
First, the refillable cosmetic tool 1 of the present invention is held substantially vertically. As a matter of course, the pen tip portion 3 is on the tip side. Then, the pen tip portion 3 is removed from the base rod 18 that constitutes the holder 2 .

For the lead chuck member 5 with the shortened lead 4 , the guide projection 15 is moved from the spiral ridge 29 to the location of the spiral groove 6 at the spiral groove starting portion 30 by rotating. Then, the fitting state between the guide protrusion 15 and the spiral groove 6 formed by the spiral ribs 29 located above and below is eliminated. That is, since the spiral projection 29 positioned above the guide projection 15 is also eliminated, the guide projection 15 is not prevented from being pulled out from the spiral rod 7.例文帳に追加Therefore, the lead chuck member 5 can be easily removed from the spiral rod 7. As shown in FIG.
Therefore, the shortened lead chuck member 5 itself can be gripped and smoothly removed from the spiral rod 7 without directly touching the shortened lead 4.例文帳に追加

In this way, the consumer does not get his hands dirty because there is no fear of touching the wick 4. - 特許庁In addition, there is no need to clean the lead gripping member 8 to remove the residue of the lead 4 . This is because the lead chuck member 5 is also replaced.

Here, regarding the sale of a set of only the replacement lead 4 and the sale of a set of the lead chuck member 5 to which the replacement lead 4 is attached, the lead chuck member 5 itself can be manufactured and sold at a very low cost, so the price is low. It is the same as the case where only the replacement lead 4 is sold.

The user takes out the refill chuck member 5 to which the replacement refill 4 previously purchased separately (see FIG. 6) is attached, holds the refillable cosmetic tool 1 in a substantially vertical direction, and pulls the pen tip from the base rod 18. With the part 3 removed, the lead chuck member 5 with the replacement lead 4 mounted thereon is dropped and inserted from the tip opening of the base rod 18. - 特許庁The insertion is performed from the side on which the guide projections 15 are provided.

Here, on the inner peripheral surface of the hollow portion of the base rod 18, a plurality of guide grooves are provided in the longitudinal direction of the base rod 18 so that the guide projections 15 can be loosely dropped and smoothly dropped. The projection 15 can be constructed so as to enter into the back of the base rod 18 along the guide recessed groove and to be securely aligned with the tip opening of the spiral rod 7 .

It is also possible to increase the diameter of the hole in the hollow portion of the base rod 18 so that the guide projection 15 does not get caught on the inner peripheral surface of the hollow portion of the base rod 18. It is difficult to smoothly match the tip opening of the spiral rod 7 . This is because if the hole in the hollow portion is enlarged, the rear end portion of the advancing/retreating rod 9 swings and does not match the tip opening of the spiral rod 7 . This is the reason why the guide groove is provided on the inner peripheral surface of the hollow portion of the base rod 18 .

When inserted, the lead chuck member 5 to which the replacement lead 4 is attached drops by its own weight, and the guide projection 15 is placed in the beginning of the spiral groove 6 slightly below the upper end of the spiral rod 7. Then, the lead chuck member 5 to which the replacement lead 4 is attached is held in the spiral rod 7 by locking.

When the spiral rod 7 side is rotated in this state, the guide projection 15 of the lead chuck member 5 smoothly moves into the spiral groove 6 connected to the starting portion of the spiral groove 6 while rotating, and spirals within the spiral rod 7. It passes through the inside of the spiral groove 6 while rotating in a shape, and moves to the far side of the spiral rod 7. - 特許庁

After the lead chuck member 5 is fully accommodated in the base rod 18, if the pen tip part 3 is attached to the base rod 18, it becomes a refill type cosmetic tool with a new lead 4 attached, and can be used again like a new one. It is possible.

FIG. 4 is a configuration explanatory diagram illustrating the configuration of the present invention with the pen tip removed; FIG. 4 is a configuration explanatory diagram illustrating the configuration of the present invention in a state where the pen tip portion is attached; It is explanatory drawing explaining the state which mounts|wears a base rod with a pen point part. It is an enlarged view of a state in which the pen tip is removed. It is an explanatory view explaining the component of the present invention. FIG. 10 is an explanatory diagram illustrating a state in which a core chuck member with a core is sold separately; It is a schematic explanatory drawing which demonstrated the front-end|tip opening of a spiral rod from upper direction. It is a schematic explanatory drawing which expand|deployed and demonstrated the state of the internal peripheral surface of a spiral rod.

1 Cosmetic Tool 2 Holder 3 Pen Tip 4 Lead 5 Lead Chuck Member 6 Spiral Groove 7 Spiral Rod 8 Lead Gripping Member 9 Retractable Rod 10 Lead Gripping Piece 11 Base 12 Lead Gripping Piece 13 Projection 14 Locking Projection 15 Guide Projection 16 Rear End knob 17 Insertion guide port 18 Base rod 19 Fitting portion 20 Fitting projection 21 Fitting piece 22 Fitting guide piece 23 Lock mark 24 Unlock mark 25 Release groove 26 Rib 27 Through hole 28 Locking wall 29 Spiral ridge 30 Spiral groove Beginning part

Claims (3)

a substantially cylindrical helical rod provided with a helical groove formed by a helical ridge on the inner peripheral surface of the hollow portion;
an advancing/retreating rod having a guide projection that fits into the spiral groove and being capable of advancing/retreating in the longitudinal direction of the hollow portion of the spiral rod by rotating the spiral rod so that the guide projection spirally moves within the spiral groove; a lead chuck member provided at the tip of the lead chuck member having a lead gripping member for mounting the lead;
a base rod to which the spiral rod is rotatably inserted and attached;
Equipped with a pen tip that can be attached to the tip of the base rod,
The core gripping member has a cylindrical base and a core gripping piece portion composed of a plurality of core gripping pieces planted upward at intervals in the circumferential direction from the outer peripheral end of the upper surface of the base. ,
The pen tip portion is removed from the base rod, the base of the lead gripping piece is projected until it is exposed from the tip opening of the base rod, and the guide projection is removed from the spiral groove to move the lead chuck member to the spiral rod. While configured to be removable from
After removing the lead chuck member, the lead chuck member to which the replacement lead is attached is inserted into the spiral rod from the tip opening of the base rod from the side where the guide projection is provided , and the spiral rod is rotated to rotate the guide . The protrusion is fitted in the spiral groove, and the core chuck member is configured to be movable forward and backward in the spiral rod longitudinal direction within the spiral rod,
After the lead chuck member is accommodated in the base rod, the pen tip is attached to the base rod;
A refillable cosmetic tool characterized by:
The configuration in which the core chuck member can advance and retreat in the spiral rod longitudinal direction is
A starting portion of a spiral groove is formed on the upper side of the hollow portion of the spiral rod, the guide projection is loosely engaged in the beginning portion of the spiral groove, and the guide projection is moved into the spiral groove by rotating the spiral rod. The core chuck member can be inserted into the back side of the spiral rod by being fitted, and can be pulled back to the tip side of the spiral rod by rotating in the opposite direction.
The refillable cosmetic tool according to claim 1, characterized in that:
The configuration in which the core chuck member can advance and retreat in the spiral rod longitudinal direction is
The tip opening of the spiral rod is directed upward and held substantially vertically, the lead chuck member is inserted into the tip opening from the guide protrusion side of the lead chuck member, and the guide is inserted into the starting portion of the spiral groove. It is a configuration in which the protrusion is loosely locked and the spiral rod is rotated,
3. The refillable cosmetic tool according to claim 1 or 2, characterized in that:

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