JP2005160670A - Stick type cosmetic dispenser - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a stick type cosmetic dispenser surely absorbing a shock by falling and absorbing a coating pressure when being used. <P>SOLUTION: The dispenser is provided with a retaining stick 1 and a container 2 storing the retaining stick slidably in the longitudinal direction, and feeds a stick type cosmetic 61 by sliding the retaining stick 1 in the container 2. The retaining stick 1 is divided into a first stick member 11 in the front side and a second stick member 12 in the back side, and is telescopically moved in the length direction by providing a lap section 62 formed by lapping the back side of the first stick member 11 and the front side of the second stick member 12. A first elastic buffer member 4 mitigating the shock applied in the direction of extending the retaining stick 1 is interposed in the lap section 62 between the first stick member 11 and the second stick member 12, and a second elastic buffer member 5 mitigating the shock applied in the direction of contracting the retaining stick 1 is interposed outside the lap section between the first stick member 11 and second member 12. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a bar-shaped cosmetic material feeding device used for the purpose of, for example, appropriately feeding and using a bar-shaped cosmetic material incorporated by a user.

As a conventional bar-shaped cosmetic material feeding device, for example, a chuck for holding the bar-shaped cosmetic material is provided at the front end, and a support bar having a male screw formed on the outside, and a support that supports the chuck in a non-rotatable and slidable manner. A sleeve having a portion formed therein, and a main body formed with a female screw into which a male screw is screwed, and rotatably connected to the rear end portion of the sleeve. The sleeve and the main body rotate relative to each other. A bar-shaped cosmetic material feeding device for feeding out a bar-shaped cosmetic material held on a holding bar, wherein the holding bar is a first side that is a front side provided with a chuck and a rear side that is provided with a male screw. Disclosed is a member that is divided into two rod members and that both members are joined together via an elastic buffer member that relieves an impact applied mainly in the direction in which the holding rod is extended (for example, Patent Documents). 1).
According to the conventional bar-shaped cosmetic feeding device, the holding bar is divided into the first bar member and the second bar member, and both members are coupled via the elastic buffer member. Since the member absorbs the impact caused by dropping, it is not transmitted to the bar-shaped cosmetic material, and as a result, it is possible to prevent the bar-shaped cosmetic material from slipping out and breaking.
Japanese Utility Model Publication No. 7-16711.

However, since the conventional bar-shaped cosmetic material feeding device has a structure in which the first bar member and the second bar member of the divided holding bar are simply connected by an elastic buffer member, the holding bar is degenerated. It is not always easy to mitigate the impact applied in the direction in which it is applied, and there may be a case where the impact due to the drop cannot be sufficiently absorbed depending on the fall situation.
Further, in recent years, it has been demanded that a user can obtain a softer feeling of use in accordance with consumer needs that emphasize the feeling of use of cosmetics. It can hardly be expected to buffer the application pressure when pressing is applied to the place where makeup is to be applied.
Therefore, an object of the present invention is to reliably absorb the impact due to the drop regardless of the falling situation, and also to buffer the application pressure when the user presses the stick-shaped cosmetic on the place where makeup is to be applied. An object of the present invention is to provide a stick-shaped cosmetic material feeding device that can be used.

  In order to solve the above problems, a stick-shaped cosmetic material feeding device according to the present invention includes a holding bar that holds the bar-shaped cosmetic material, and a container that slidably accommodates the holding bar in the length direction. A bar-shaped cosmetic material feeding device for feeding out a bar-shaped cosmetic material held on a holding rod by sliding the held holding rod forward, wherein the holding rod is a first bar member on the front side and a second side on the rear side. And has a lap section formed by wrapping the rear side of the first bar member and the front side of the second bar member so that it can be expanded and contracted in the length direction. A first elastic cushioning member is interposed between the two members within the section to relieve the impact applied in the direction of extending the holding rod. The second elastic cushioning member is used to relieve the impact applied in the direction of retracting the holding rod. It is characterized in that it is.

According to such a bar-shaped cosmetic material feeding device, in addition to the first elastic buffer member for relaxing the impact acting in the extending direction of the holding rod, after making the holding rod extendable in the length direction by the wrap section, Since the second elastic cushioning member that reduces the impact acting in the contraction direction of the holding rod is also provided, it is possible to reliably absorb the impact due to the drop regardless of the fall state.
In addition, according to this, it is possible to buffer the application pressure when the user presses the stick-shaped cosmetic material on the place where makeup is to be applied, and thus it is possible to obtain a softer feeling of use for the user. It becomes.

  In such technical means, the present invention is embodied in an apparatus having a mechanism for feeding out the holding bar by relative rotation by providing means for rotating the first bar member and the second bar member synchronously. From this point of view, the holding bar is composed of a first bar member having a chuck for holding the bar-shaped cosmetic material at the front end, and a second bar member having a male screw formed on the outside. A sleeve formed with a support that supports the chuck in a non-rotatable and slidable manner in the length direction and a female screw into which a male screw is screwed are formed. The sleeve can be rotated with respect to the rear end of the sleeve. And a synchronous rotating means for synchronously rotating them between the first bar member and the second bar member, and relatively rotating the sleeve and the main body. The rod shape held by the chuck It is preferred that 粧料 is paid out.

  The male screw / female screw referred to here is a concept including screw-like protrusions / grooves that function in the same manner as these.

  In addition, the first elastic cushioning member and the second elastic cushioning member can exhibit different elasticity, so that it is not only suitable for achieving the purpose of buffering impact caused by dropping, but also applied by makeup. From the viewpoint that it is also suitable for achieving the buffering purpose, the synchronous rotation means is configured such that the first bar member is the second bar member or the second bar member is the first bar member. Of the first bar member and the second bar member facing each other through the first elastic buffer member in the front-rear direction. A projecting wall projecting in a direction orthogonal to the length direction is formed in at least one of them, and the first elastic buffer member is provided so that the side end portion in the front-rear direction contacts the wall surface of the projecting wall. Before the second elastic cushioning member A projecting wall projecting in a direction perpendicular to the length direction is formed in at least one of the first bar member part and the second bar member part facing each other in the direction, and the second elastic buffer The members are provided such that the side end portions in the front-rear direction are in contact with the wall surface of the protruding wall, and the values of the respective elastic coefficients of the first elastic buffer member and the second elastic buffer member are different from each other. It is preferable that it is set.

  Further, by providing a torque limiter for synchronous rotation of the first rod member and the second rod member, from the viewpoint of avoiding a situation where the container is damaged due to excessive torque, the synchronous rotation is performed. The moving means includes a first elastic buffer member whose both end portions in the front-rear direction are respectively coupled to the first rod member and the second rod member, and both end portions in the front-rear direction are the first rod member and the first rod member. In the case where at least one of the second elastic shock-absorbing members coupled to each of the two bar members, the elastic shock-absorbing member acts as a first bar member and an excessive torque when acting on the screw rod. A coil spring that releases the synchronous rotation of the second bar member is preferred.

  According to the stick-shaped cosmetic material feeding device according to the present invention, it becomes possible to reliably absorb the impact caused by the drop regardless of the falling situation, and when the user presses the stick-shaped cosmetic material on the place where makeup is to be applied. The coating pressure can also be buffered.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
In addition, although the case where this invention is embodied in the apparatus which has a mechanism which pays out a holding rod by relative rotation is demonstrated here, it is not restricted to this, For example, by pushing a holding rod directly or indirectly by hand. The following description is valid even when the present invention is embodied in an apparatus that extends.

  Moreover, although the case where both a 1st elastic buffer member and a 2nd elastic buffer member are coil springs is demonstrated, it is not restricted to this, For example, a 1st elastic buffer member is a spring, and 2nd The following explanation is valid even when the elastic buffer member is rubber.

<Embodiment 1>
FIG. 1 is a longitudinal sectional view showing an overall configuration of a stick-shaped cosmetic material feeding device according to Embodiment 1 of the present invention, FIG. 2 is a transverse sectional view showing a partial structure of the stick-shaped cosmetic material feeding device, and FIG. FIG. 4 is a longitudinal sectional view for explaining the operation of the bar-shaped cosmetic material feeding device (when the holding bar is extended).

  In the present embodiment, the stick-shaped cosmetic material feeding device is configured to be used for the purpose of, for example, appropriately feeding and using a stick-shaped cosmetic material that is built in by the user.

  As shown in FIGS. 1 to 4, the stick-shaped cosmetic material feeding device feeds the stick-shaped cosmetic material 61 held by the holding bar 1 to the outside of the container 2 by sliding the holding bar 1 accommodated in the container 2 forward. It is configured to play a role.

  As shown in FIG. 1, the stick-shaped cosmetic material feeding device includes a holding rod 1, a container 2, a synchronous rotation means 3, a first coil spring 4 as a first elastic buffer member, and a second And a second coil spring 5 as an elastic buffer member.

  Hereinafter, each of these components will be described in more detail.

(1) Holding rod 1
As shown in FIG. 1, the holding bar 1 is configured to play a role of holding the rear end portion of the bar-shaped cosmetic 61.

  The holding rod 1 is configured to be divided into a first rod member 11 that is the front side and a second rod member 12 that is the rear side.

  The holding rod 1 has a lap section 62 formed by wrapping the rear side of the first bar member 11 and the front side of the second bar member 12 as shown in FIG. By having 62, it can be expanded and contracted in the length direction.

  Specifically, as shown in the figure, the first bar member 11 is configured to have a chuck 11a for holding the bar-shaped cosmetic material 61 at the front end.

  And as shown in the figure, among the site | parts of the 1st rod member 11 and the 2nd rod member 12 which oppose the 1st coil spring 4 through the front-back direction, of the 1st rod member 11 In the middle part of the first rod member 11 that is a part, a first protruding wall 11b that protrudes in a direction orthogonal to the length direction is formed.

  Moreover, the 2nd rod member 12 is comprised as what the external thread 12a was formed in the exterior, as shown in the figure.

  And as shown in the figure, among the part of the 1st bar member 11 and the part of the 2nd bar member 12 which oppose the 2nd coil spring 5 via the direction of order, the 1st bar member 11 At the rear end portion of the first rod member 11 that is a part, a second projecting wall 12b that projects in a direction orthogonal to the length direction is formed.

  Here, as shown in the figure, the front end portion of the second rod member 12, which is a part of the second rod member 12, has a second protrusion 12c protruding outward and extending in the circumferential direction. The elastic buffer members can be locked by the second protrusions 12c.

(2) Container 2
As shown in FIG. 1, the container 2 plays a role of accommodating the holding rod 1 slidably in the length direction.

  Specifically, as shown in the figure, the container 2 includes a cylindrical sleeve 21 and a cylindrical main body 22 that is rotatably connected to the rear end portion of the sleeve 21. ing.

  As shown in the figure, the sleeve 21 is configured such that a support portion 21a that supports the chuck 11a in a non-rotatable and slidable manner in the length direction is formed inside.

  As shown in the figure, the main body 22 is configured such that a female screw 22a into which the male screw 12a is screwed is formed.

(3) Synchronous rotation means 3
As shown in FIG. 1, the synchronous rotation means 3 plays a role of rotating the first bar member 11 and the second bar member 12 synchronously.

  Specifically, the synchronous rotation means 3 is comprised as what is interposed between the 1st rod member 11 and the 2nd rod member 12, as shown in the figure.

  That is, in the stick-shaped cosmetic material feeding device according to the present embodiment, as shown in the figure, the sleeve 21 and the main body 22 can be rotated relative to each other, and thereby, the stick-like shape held by the chuck 11a. The cosmetic 61 can be paid out.

  That is, according to such a bar-shaped cosmetic material feeding device, since the means for rotating the first bar member 11 and the second bar member 12 synchronously is provided, a mechanism for feeding the holding bar 1 by relative rotation. It is possible to appropriately embody the present invention in an apparatus having

  Here, as shown in FIG. 2, the synchronous rotation means 3 is configured such that the first rod member 11 cannot rotate the second rod member 12 or the second rod member 12 cannot rotate the first rod member 11. It is configured to be slidably supported in the vertical direction.

  Specifically, as shown in the figure, on the one hand, on the outer periphery of the second rod member 12, a plurality of protrusions 3a each projecting outward and extending in the length direction are formed along the circumferential direction. On the other hand, on the inner periphery of the first rod member 11, a plurality of grooves 3b that fit into the protrusions 3a are formed.

  Thus, the first coil spring 4 and the second coil spring 5 are provided such that the side end portions in the front-rear direction are in contact with the wall surface of the first protruding wall 11b. The first coil spring 4 and the second coil spring 5 can be made to act as independent members, respectively. 3 and FIG. 4).

  That is, according to such a configuration, it is possible to set the values of the respective elastic coefficients of the first coil spring 4 and the second coil spring 5 to different sizes, and as a result, Different elasticity can be exhibited by the first coil spring 4 and the second coil spring 5 (see FIGS. 3 and 4).

(4) First coil spring 4
As shown in FIGS. 1 and 3, the first coil spring 4 is configured to play a role of mitigating an impact applied in a direction in which the holding rod 1 is retracted.

  Specifically, as shown in FIG. 1, the first coil spring 4 is configured to be interposed between the first bar member 11 and the second bar member 12 in the lap section 62. ing.

  Here, if it is interposed between the first bar member 11 and the second bar member 12 that it is interposed in the lap section 62, the entire first coil spring 4 is entirely wrap section 62. The concept is not limited to the case of being interposed inside, but also includes the case where the main part of the first coil spring 4 is interposed in the wrap section 62 and the remainder is interposed outside the wrap section 62.

  In addition, as shown in the figure, the first coil spring 4 has one of the side ends in the front-rear direction when the holding rod 1 is stationary (when the holding rod 1 is not extended or retracted). It is provided so as to contact the wall surface of the protruding wall 11b.

  Further, as shown in the figure, the first coil spring 4 has a second end wound around the second protrusion 12c of the second rod member 12 at the other side end in the front-rear direction. It is latched with respect to the rod member 12, and the relative movement with respect to the 2nd rod member 12 is restrained by this.

  Here, the values of the respective elastic coefficients of the first coil spring 4 and the second coil spring 5 described later are set to different sizes.

  Thereby, it is possible to exhibit different elasticity between the first coil spring 4 and the second coil spring 5, and as a result, it is only suitable for achieving the purpose of buffering impact caused by dropping. In addition, it is possible to realize a configuration that is suitable for achieving the purpose of buffering the application pressure by makeup (see FIGS. 3 and 4).

  Specifically, the value of the elastic coefficient of the first coil spring 4 is set to a size that is suitable for achieving the purpose of buffering the impact caused by dropping, and the application pressure by makeup is buffered. It is set to a value that is considerably smaller than the value of the elastic coefficient of the second coil spring 5 that is suitable for achieving the object.

(5) Second coil spring 5
As shown in FIGS. 1 and 4, the second coil spring 5 plays a role of mitigating an impact applied in a direction in which the holding rod 1 is extended.

  Specifically, as shown in FIG. 1, the second coil spring 5 is configured to be interposed between the first bar member 11 and the second bar member 12 outside the lap section 62. ing.

  Here, if it is interposed between the first bar member 11 and the second bar member 12 that it is interposed outside the lap section 62, the entire second coil spring 5 is entirely wrap section 62. The concept is not limited to the case of being interposed outside, and is a concept including the case where the main part of the second coil spring 5 is interposed outside the lap section 62 and the remainder is interposed inside the lap section 62.

  In addition, as shown in the drawing, the second coil spring 5 has a second end when one of the side end portions in the front-rear direction does not move the holding rod 1 (when the holding rod 1 is not extended or retracted). It is provided so as to contact the wall surface of the protruding wall 12b.

  Further, as shown in the figure, the second coil spring 5 is configured so that the other of the side end portions in the front-rear direction is wound around the second protrusion 12 c of the second rod member 12. It is latched with respect to the rod member 12, and the relative movement with respect to the 2nd rod member 12 is restrained by this.

  Here, the values of the respective elastic coefficients of the first coil spring 4 and the second coil spring 5 described later are set to different sizes.

  Thereby, it is possible to exhibit different elasticity between the first coil spring 4 and the second coil spring 5, and as a result, it is only suitable for achieving the purpose of buffering impact caused by dropping. In addition, it is possible to realize a configuration that is suitable for achieving the purpose of buffering the application pressure by makeup (see FIGS. 3 and 4).

  Specifically, the value of the elastic coefficient of the second coil spring 5 is set to a size that is suitable for achieving the purpose of buffering the application pressure by makeup, and shocks due to falling are buffered. It is set to a value that is considerably larger than the value of the elastic coefficient of the first coil spring 4 that is suitable for achieving the object.

  In other words, the value of the elastic coefficient of the second coil spring 5 is set to a level that can buffer the application pressure by makeup as long as the function as the applicator is not impaired. It is set to be sufficiently harder than the coefficient value.

  As described above, according to such a bar-shaped cosmetic material feeding device, the holding bar 1 can be expanded and contracted in the length direction by the wrap section 62 and the impact acting in the extending direction of the holding bar 1 is reduced. In addition to the coil spring 4, the second coil spring 5 is also provided to relieve the impact acting in the retracting direction of the holding rod 1, so that the impact due to the fall can be ensured regardless of the fall situation. It is possible to absorb.

  In addition, according to this, it is possible to more sufficiently buffer the application pressure when the user presses the stick-shaped cosmetic 61 against the place where makeup is to be applied, and thus the user can soften the application pressure more softly. It is possible to obtain a good feeling of use.

  In the first embodiment, the first coil spring 4 and the second coil spring 5 are configured as separate independent members. However, the present invention is not limited to this, and the central portion is the second coil spring. If the first coil spring 4 and the second coil spring 5 are separated from each other by being locked to the rod member 12, thereby being able to exhibit substantially separate and independent functions inside and outside the lap section, Even if it is comprised as a continuous and integral member, it does not interfere.

<Embodiment 2>
FIG. 5 is a longitudinal sectional view showing the overall configuration of the stick-shaped cosmetic material feeding device according to Embodiment 2 of the present invention, FIG. 6 is a cross-sectional view showing a partial structure of the stick-shaped cosmetic material feeding device, and FIG. FIG. 8 is a longitudinal sectional view (when the holding bar is retracted) for explaining the operation of the material feeding device, and FIG. 8 is a longitudinal sectional view (when the holding rod is extended) for explaining the operation of the same bar-shaped cosmetic material feeding device.

  Components similar to those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and detailed description thereof is omitted here.

  As shown in FIGS. 5 to 8, the stick-shaped cosmetic material feeding device according to the second embodiment is substantially the same as the first embodiment, but unlike the first embodiment, the first coil spring 4 is moved back and forth. The first protruding wall 11b and the second protruding wall 12b that protrude in the direction perpendicular to the length direction in both the first bar member 11 and the second bar member 12 that face each other in the direction are provided. The second protrusions 12c are not formed at the front end portion, which is a part of the second rod member 12, and the first coil spring 4 is formed at the side end portion in the front-rear direction. Both are provided so as to abut against the respective wall surfaces of the first projecting wall 11b and the second projecting wall 12b.

  Moreover, as shown in these drawings, the second coil spring 5 is orthogonal to the length direction in both the first bar member 11 and the second bar member 12 that face each other in the front-rear direction. A first projecting wall 11b and a second projecting wall 12b projecting in the direction are formed, and a second projecting ridge 12c is formed at the front end of the second bar member 12 which is a part of the second bar member 12. Therefore, the second coil spring 5 is provided such that both of the side end portions in the front-rear direction are in contact with the wall surfaces of the first projecting wall 11b and the second projecting wall 12b, respectively. ing.

  Therefore, even with the bar-shaped cosmetic material feeding device according to the second embodiment, the values of the elastic coefficients of the first coil spring 4 and the second coil spring 5 can be set to different sizes. Thus, the same effect as in the first embodiment is obtained (see FIGS. 7 and 8).

<Embodiment 3>
FIG. 9 is a longitudinal sectional view showing the overall configuration of the stick-shaped cosmetic material feeding device according to Embodiment 3 of the present invention, FIG. 10 is a transverse sectional view showing a partial structure of the stick-shaped cosmetic material feeding device, and FIG. FIG. 12 is a longitudinal sectional view (when the holding bar is retracted) for explaining the operation of the material feeding device, and FIG. 12 is a longitudinal sectional view (when the holding rod is extended) for explaining the operation of the bar-shaped cosmetic material feeding device.

  Components similar to those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and detailed description thereof is omitted here.

  As shown in FIGS. 9 to 12, the stick-shaped cosmetic material feeding device according to the third embodiment is substantially the same as the first embodiment, but unlike the first embodiment, the first coil spring 4 is moved back and forth. The first protrusion 11c and the second protrusion 12c that protrude outward and extend in the circumferential direction at the first rod member 11 and the second rod member 12 that face each other in the direction. Are formed, and the first coil member 4 is wound around the first protrusion 11c and the second protrusion 12c at both ends in the front-rear direction thereof. And it is latched with respect to each of the 2nd rod member 12. FIG.

  Further, as shown in these drawings, the first coil member 11 and the second rod member 12 that face the second coil spring 5 in the front-rear direction protrude outwardly at a portion and a portion of the second rod member 12, respectively. The 1st protrusion 11c and the 2nd protrusion 12c which are extended in the circumferential direction are each formed, and the 2nd coiled spring 5 has the 1st protrusion 11c and the 2nd both ends of the front-back direction. It is latched with respect to each of the 1st rod member 11 and the 2nd rod member 12 so that it may be wound around each of the protrusion 12c.

  Here, the synchronous rotation means 3 includes the first coil spring 4 whose both end portions in the front-rear direction are coupled to the first rod member 11 and the second rod member 12, respectively, and both end portions in the front-rear direction. Is the second coil spring 5 coupled to each of the first rod member 11 and the second rod member 12, the first coil spring 4 and the second coil spring 5 are screw rods. When an excessive torque is applied to the first rod member 11 and the second rod member 12, the first rod member 11 and It is possible to cancel the synchronous rotation of the second bar member 12 (see FIGS. 10, 11 and 12).

  Therefore, according to the rod-shaped cosmetic material feeding device according to the third embodiment, it is possible to provide a torque limiter related to the synchronous rotation of the first rod member 11 and the second rod member 12, so that the first Except for the effect of exerting different elasticity between the first coil spring 4 and the second coil spring 5, the same effect as in the first embodiment can be obtained, and the situation where the container is damaged by excessive torque is avoided in advance. A unique effect is also possible.

It is a longitudinal cross-sectional view which shows the whole structure of the stick-shaped cosmetic material feeding apparatus which concerns on Embodiment 1 of this invention. It is a cross-sectional view which shows the partial structure of the stick-shaped cosmetic material feeding apparatus which concerns on Embodiment 1 of this invention. It is a longitudinal cross-sectional view (at the time of holding-bar degeneration) explaining the effect | action of the stick-shaped cosmetics supply apparatus which concerns on Embodiment 1 of this invention. It is a longitudinal cross-sectional view (at the time of extending | stretching a holding | maintenance stick | rod) explaining the effect | action of the stick-shaped cosmetic material feeding apparatus which concerns on Embodiment 1 of this invention. It is a longitudinal cross-sectional view which shows the whole structure of the stick-shaped cosmetic material feeding apparatus which concerns on Embodiment 2 of this invention. It is a cross-sectional view which shows the partial structure of the stick-shaped cosmetic material feeding apparatus which concerns on Embodiment 2 of this invention. It is a longitudinal cross-sectional view (at the time of holding-bar degeneration) explaining the effect | action of the stick-shaped cosmetics supply apparatus which concerns on Embodiment 2 of this invention. It is a longitudinal cross-sectional view (at the time of extending | stretching a holding | maintenance stick | rod) explaining the effect | action of the stick-shaped cosmetic material feeding apparatus which concerns on Embodiment 2 of this invention. It is a longitudinal cross-sectional view which shows the whole structure of the stick-shaped cosmetic material feeding apparatus which concerns on Embodiment 3 of this invention. It is a cross-sectional view which shows the partial structure of the stick-shaped cosmetic material feeding apparatus which concerns on Embodiment 3 of this invention. It is a longitudinal cross-sectional view (at the time of holding-bar degeneration) explaining the effect | action of the stick-shaped cosmetics delivery apparatus which concerns on Embodiment 3 of this invention. It is a longitudinal cross-sectional view (at the time of extending | stretching a holding | maintenance stick | rod) explaining the effect | action of the stick-shaped cosmetic material feeding apparatus which concerns on Embodiment 3 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Holding rod 2 Container 3 Synchronous rotation means 4 1st coil spring 5 2nd coil spring 11 1st rod member 11a Chuck 11b 1st protrusion wall 11c 1st protrusion 12 2nd rod member 12a Male Screw 12b Second protruding wall 12c Second protrusion 21 Sleeve 21a Support portion 22 Body 22a Female screw 61 Bar-shaped cosmetic material 62 Lap section

Claims (4)

A holding rod that holds a stick-shaped cosmetic and a container that slidably accommodates the holding rod in the length direction, and is held by the holding rod by sliding the holding rod accommodated in the container forward A stick-shaped cosmetic material feeding device for delivering cosmetic material,
The holding bar is divided into a first bar member as a front side and a second bar member as a rear side, and the rear side of the first bar member and the front side of the second bar member are wrapped. It can be stretched in the length direction by having a lap section
A first elastic cushioning member is interposed between the two members within the lap section to relieve an impact applied in the direction of extending the holding rod,
A bar-shaped cosmetic material feeding device characterized in that a second elastic buffering member is provided between the two members outside the wrap section and between the two members to relieve an impact applied in a direction to retract the holding rod. . The holding bar is composed of the first bar member having a chuck for holding the bar-shaped cosmetic material at the front end, and the second bar member having a male screw formed outside,
The container includes a sleeve in which a support portion for supporting the chuck in a non-rotatable and slidable manner in the length direction is formed, and a female screw into which the male screw is screwed. Consisting of a body that is rotatably connected to the end,
Between the first bar member and the second bar member, a synchronous rotation means for rotating them synchronously is interposed,
The stick-shaped cosmetic material feeding device according to claim 1, wherein the stick-shaped cosmetic material held by the chuck is fed by rotating the sleeve and the main body relative to each other. The synchronous rotation means is configured such that the first bar member supports the second bar member or the second bar member supports the first bar member in a non-rotatable and slidable manner in the length direction. In the case
A projecting wall projecting in a direction orthogonal to the length direction in at least one of the first bar member part and the second bar member part facing the first elastic buffer member in the front-rear direction. Formed, and the first elastic buffer member is provided such that the side end portion in the front-rear direction is in contact with the wall surface of the protruding wall,
A projecting wall projecting in a direction orthogonal to the length direction in at least one of the first bar member part and the second bar member part facing the second elastic buffer member in the front-rear direction. Formed, and the second elastic buffer member is provided such that the side end portion in the front-rear direction is in contact with the wall surface of the protruding wall,
3. The bar-shaped cosmetic material feeding device according to claim 2, wherein the elastic coefficient values of the first elastic buffer member and the second elastic buffer member are set to different sizes. The synchronous rotating means includes the first elastic buffer member whose both end portions in the front-rear direction are coupled to the first rod member and the second rod member, and the both end portions in the front-rear direction are the first end portions. In the case where it is at least one of the second elastic cushioning members coupled to each of the one bar member and the second bar member,
The said elastic buffer member is a coil spring which cancels | releases the synchronous rotation of said 1st rod member and a 2nd rod member, when an excessive torque acts on the said screw rod. The stick-shaped cosmetic material feeding device described.

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