JP4708730B2 - Cosmetic container cartridge - Google Patents

Description

  The present invention relates to a cartridge of a cosmetic container containing a thin rod-shaped decorative material, and the rod-shaped decorative material is held and slid by a claw piece formed at the tip of a core chuck member located in a plurality of sliding grooves in the front tube. Is done.

  This is a cartridge-type stick-shaped decorative material feeding container, which has an opening hole through which the stick-shaped decorative material advances and retreats at the tip of the front tube. A through-hole is drilled with approximately the same size as this open hole, and a sliding groove is formed around this through-hole. In addition, the tip of the core chuck member is a claw piece, the claw piece is positioned in the sliding groove to hold the stick-shaped decorative material, the cartridge is fitted to the container body, the cartridge and the container body, A structure for advancing and retracting the rod-shaped decorative material in the cartridge by mutual rotation is disclosed in Japanese Patent Application Laid-Open No. 2003-159119.

  According to the present invention, the cartridge is the minimum member, and the main body cylinder of the cartridge is clutch-rotated with respect to the core chuck member at the forward limit and the backward limit of the feeding, thereby ensuring the safety of the container.

Small diameter brittle sticky cosmetics such as eyebrow and eyeliner are held and slid by a slight distance in the tip tube by the holding method with the above-mentioned nail pieces, so that they have a protection function against dropping and bending than conventional cup-shaped core chucks Is excellent.
JP 2003-159119 A

  The cartridge disclosed in Japanese Patent Laid-Open No. 2003-159119 disclosed as a conventional example in FIG. 11 is composed of a minimum number of members and can be manufactured at low cost, but the forward limit clutch has a tip of the claw piece 232a at the tip of the sliding groove. Means for engaging with the spiral portion 237 formed on the surface of the housing 236 of the core chuck member 230 with the engagement protrusions 223 formed between the slits 224 provided at the front end of the main body cylinder by abutment with the pressure 212a Therefore, there is a concern that vibration during clutching is transmitted to the nail pieces and affects the stick-shaped decorative material, and there is a concern that the texture of the stick-shaped decorative material is limited.

  The present invention has been made paying attention to such a problem, and is a cartridge that uses a nail piece to hold and slide a stick-shaped decorative material. As in JP-A-2003-159119, the present invention is a minimal member. To provide a cartridge for a cosmetic material container that is constituted by three members and that can be clutched at the forward limit / retract limit without the front end of the claw piece being in contact with the tip of the sliding groove at the forward limit. This is the intended invention.

  Furthermore, since the stick-shaped decorative material held by the nail pieces has a slight stretchability in the front and rear, the touch when applying makeup is very soft and the feeling of use is improved.

Therefore, the cartridge of the decorative material container of the present invention includes an opening hole through which the rod-shaped decorative material advances and retreats, and a through hole is formed with substantially the same size as the opening hole, and a plurality of sliding grooves are formed along the through hole. The formed tip tube and a plurality of claw pieces for holding the rod-shaped decorative material are provided at the tip, the claw pieces are positioned in the plurality of sliding grooves, and a core is provided that rotates in synchronization with the tip tube. A cartridge for a cosmetic container comprising a chuck member and a base cylinder rotatably connected to the leading cylinder; the container main body when the container main body is fitted in the container main body insertion portion of the base cylinder The knurled spiral is formed as a spiral portion on the inner diameter of the base tube, and the engagement protrusion projecting from the rear portion of the core chuck member is screwed into the spiral portion. Combined to form the feeding mechanism, the rod shaft rear portion of the core chuck member , The key-shaped slit or screw thread slits are formed, a cylindrical portion that expands and contracts with a resilient in the axial direction is provided the key-shaped slit or the screw bar slit by Rukoto be reduced in the axial direction, the cylindrical portion An engaging protrusion is provided so as to protrude from the outer periphery of the base member, and means for elastically screwing the engaging protrusion into the knurled spiral of the base tube is provided.

  In the second invention, the full length of the front tube is formed as a knob, a cylindrical body having a diameter smaller than the outer diameter of the front end surface of the front tube is connected as a base tube main body insertion portion, The fitting convex part used for attachment and detachment of the container and means for rotating the container body synchronously are arranged, and means for forming the whole figure is provided.

In the third aspect of the invention, means for determining the advance advance limit is provided by bringing the advance contact portion of the front end of the cylindrical portion of the core chuck member into contact with the contact step portion in the front tube cavity portion. .

According to a fourth aspect of the present invention, means is provided for the base cylinder to clutch the core chuck member when an overload is applied as rotational force at the forward limit and the backward limit of the core chuck member.

By taking the above measures, the cosmetic container cartridge of the present invention can be fitted into the container body, and the stick-shaped cosmetic material can be advanced from the front end opening hole of the front tube by rotating the container body and the cartridge, so that makeup can be used. According to the first aspect of the present invention, the cartridge of the cosmetic material container is composed of a front tube, a core chuck member, and a minimum member of the base tube, and the plurality of claw pieces at the front end of the core chuck member are slid in the front tube. A means for holding the rod-shaped decorative material located in the moving groove and rotating in synchronism with the front tube is taken, and the base tube that is rotatably connected to the front tube is fitted to the container body. Means for rotating in synchronism with the container main body at any part of the container main body insertion portion of the base cylinder is taken, and a knurled spiral is formed in the inner diameter of the base cylinder in the axial direction as a spiral portion, and the core chuck A feeding mechanism is configured by screwing with a member, and the core chuck is formed. A cylindrical portion that elastically extends and contracts in the axial direction due to the formation of a slit is provided at the rear portion of the rod shaft of the shaft member, and an engaging projection is provided to project from the outer periphery of the cylindrical portion. Are elastically screwed into the knurled spiral of the base tube .

By using a knurled spiral formed by continuous irregularities in the base cylinder as a feeding mechanism, it is possible to make a cartridge for a cosmetic container having various characteristics. Further, a cylindrical portion that elastically expands and contracts in the axial direction is provided at the rear portion of the rod shaft of the core chuck member, and an engaging protrusion protrudes from the outer periphery of the cylindrical portion. By screwing into the knurled spiral formed by the continuous irregularities of the base tube, it is possible to provide a screwing mechanism that is easy to be screwed and released and to be easily screwed back. Furthermore, since the cylindrical part that elastically expands and contracts in the axial direction is provided, the stick-shaped decorative material slightly expands and contracts in the axial direction, so the user can softly touch even a hard core material. You can apply makeup while feeling softer. Further, the expansion and contraction in the axial direction serves to protect the stick-shaped decorative material against dropping and vibration.

  In the second invention, the cartridge of the cosmetic container according to the present invention is formed such that the entire length of the front tube is formed as a knob, and a cylindrical body having a diameter smaller than the outer diameter of the front end surface of the front tube is connected as a base tube main body insertion portion. Although the fitting convex part used for attachment and detachment with the container main body is installed on the outer periphery of the container main body insertion part and the entire shape of the cartridge is formed, the base part is formed despite the spiral part being formed in the base cylinder. It becomes possible to make the container main body insertion part of a cylinder small diameter, and to make a container main body itself small diameter.

In the third and fourth aspects of the invention, the upper abutting portion at the front end of the cylindrical portion of the core chuck member abuts against the abutting step portion in the front cylindrical cavity portion, thereby determining the upper ascent limit and Designed so that the claw piece at the tip of the core chuck member does not come into contact with the tip of the sliding groove, and when a rotational overload is applied, the screwing is released and the clutch rotates to make a stick-like decorative material or feeding mechanism To protect.

  Further, by rotating in the reverse direction, the screwing can be easily restored and the feeding mechanism is restored. The same clutch rotation is performed in the reverse limit.

  The decorative material cartridge of the present invention is composed of three members: a front tube 10, a base tube 20, and a core chuck member 30. When the container body 2 is loaded, the base tube 20 rotates in synchronization with the container body. The rod-shaped decorative material in the cartridge 1 moves forward and backward by the mutual rotation of the knob portion a of the cartridge 1 and the container body 2.

The present invention will be described in detail with reference to the accompanying drawings.
FIGS. 1 to 5 show a first example of the first embodiment. FIG. 1 is a longitudinal sectional view of the cartridge 1. FIG. In each vertical partial cross-section of the cylinder 20 and the core chuck member 30, a characteristic part is indicated by a 10-digit number for the front cylinder 10 and a 20-digit number for the base cylinder 20. FIG. 3 is a longitudinal sectional view showing a container main body 2 that accommodates the cartridge 1, and FIG. 5 shows a state in which the cartridge 1 is loaded in the container main body 2, and FIG. 5 shows the handle a and the container main body 2 of the cartridge 1. It is the figure which showed the state which rotated and operated the core chuck | zipper member 30 to the advance advance limit.

The characteristic site | part of each member is demonstrated from FIG.
The front tube 10 is provided with a front end opening hole 11 formed with a size that allows the rod-shaped decorative material A to advance and retreat, and the front end opening hole 11 is formed as a through hole 13 with substantially the same size.

  Further, a sliding groove 12 is formed in a cross shape along the through-hole 13, and the rear inner diameter of the front tube 10 is formed as a cavity portion 14, in which a fitting recess for rotatably connecting the base tube 20 is formed. 15 is provided.

  The base tube 20 is formed as a cylindrical body having a bottomed portion 25, and is divided into a front tube insertion portion c and a container body insertion portion b from the upper opening 21 side in the axial direction. A front tube fitting portion 26 used for fitting is protruded, and a fitting convex portion 27 that detachably fits with the fitting concave portion 42 of the container main body 2 protrudes from the container main body fitting portion b. .

  In the embodiment, an O-ring 20a is provided for smooth rotation of the front tube 10 and the base tube 20, and an O-ring 20b for preventing play between the container body 2 and the base tube 20 is provided. It is wound around the outer periphery of the base tube 20.

  On the inner diameter of the base tube 20, a knurled spiral 23 is formed as a spiral portion 22 with unevenness continuous in the axial direction from the upper opening 21 to the bottomed portion 25.

  Further, an engagement rib 24 is provided at the outer peripheral rear portion of the base cylinder 20, and when the base cylinder 20 is fitted to the container main body 2, the base cylinder 20 rotates synchronously by spline engagement with the container main body 2.

  In the embodiment, the engaging ribs 24 installed on the outer periphery of the base cylinder 20 are used as means for rotating in synchronism with the container body 2.

  The core chuck member 30 is provided with four pieces of claw pieces 32 as rod-shaped decorative material holding portions 31 at the front end, and a rod shaft 34 extending to the claw pieces 32 is formed in a cross shape including a ridge 33, and at the rear portion. A cylindrical portion 35 is formed. The front end of the cylindrical portion 35 is formed as a lifting contact portion 38, and a slit 35 a is arranged in the outer peripheral axis direction, and four engagement protrusions 36 protrude on the surface of the convex piece 37 formed by the rear end slit 35 b. Established. One engagement protrusion may be provided, but it is better to provide a plurality of pieces for safety.

  The cartridge 1 shown in FIG. 1 composed of the above-described members has a total length 18 of the front tube 10 formed entirely by a knob portion a and a container body fitting portion b of the base tube 20, and the core chuck member 30 incorporated therein is The tail portion of the rod-shaped decorative material A is held by a claw piece 32, and this claw piece 32 is located in the sliding groove 12 in the front tube 10.

  The protrusions 33 of the bar shaft 34 extending from the claw pieces 32 are engaged with the respective sliding grooves 12 to constitute a rotation stopping mechanism, and the engagement protrusions 36 protruding from the rear portion of the core chuck member 30. Is elastically screwed into a knurled spiral 23 formed by continuous irregularities in the base tube 20 to constitute a feeding mechanism.

  The outer dimension of the base cylinder 20 is formed by a cylindrical body having a smaller diameter than the outer dimension of the end face 16 of the front cylinder 10, and is connected to the front cylinder 10 as a container body insertion part b. The fitting convex part 27 used for attachment / detachment is installed.

  As shown in FIG. 2C, the outer diameter of the projection 33 may be the outer diameter of the cylindrical portion 35, and the engaging projection 36 protruding from the cylindrical portion 35 is formed as shown in FIG. 3 so that the outer diameter of the base tube 20 can be made small despite the fact that the spiral portion 22 is formed on the inner diameter. The outer diameter of the container main body 2 shown in the figure can be made smaller, and the cartridge-type bar-shaped cosmetic material feeding container 5 shown in FIG.

  FIG. 3 is a diagram showing a container main body 2 that accommodates the cartridge 1 of FIG. 1, and the container main body 2 includes an outer cylinder 40 formed of a cylindrical body having a front opening hole 41 into which the cartridge 1 can be inserted; It is comprised with the cap 3 which protects the mascara brush 4 fixed to the small diameter part 40a of the rear part of this outer cylinder 40. FIG.

FIG. 4 is a diagram showing a state in which the cartridge 1 is fitted to the container main body 2, and the container main body insertion portion b of the cartridge 1 is inserted from the front opening hole 41 of the container main body 2 and accommodated in the cavity portion 43. the fitting of the fitting recess 42 and the container body fitting portion fitting protrusion 27 projecting from the b, it is positively connected to the container body 2. At this time, the engagement rib 24 and the spline engagement portion 44 in the container main body 2 are spline-engaged, so that the base cylinder 20 rotates in synchronization with the container main body 2.

  When the knob part a of the cartridge 1 and the container main body 2 are rotated, the container main body 2 is spline-engaged with the base cylinder 20 of the cartridge 1, so that the leading cylinder 10 and the base cylinder 20 are eventually rotated. With the above-described feeding mechanism, the rod-shaped decorative material A can be advanced from the tip opening hole 11 of the front tube 10 to apply makeup. If it rotates in the opposite direction, the rod-shaped decorative material A is accommodated in the front tube 10.

  When applying makeup, the rod-shaped decorative material A comes into contact with the skin with elasticity under the influence of the slits 35 a of the core chuck member 30.

  FIG. 5 shows a state in which the core chuck member 30 is extended to the advance advance limit, and the advance contact portion 38 at the front end of the cylindrical portion 35 at the rear portion of the core chuck member 30 is in contact with the front end of the cavity portion 14 of the front tube 10. Advancing advance limit is determined by contacting part 17.

  At this time, since the tip of the claw piece 32 is set not to contact the downward stepped portion of the tip of the sliding groove 12, the claw piece 32 is designed not to be loaded at the forward advance limit. The cartridge 1 is a cosmetic container that can be applied to bar-shaped decorative materials of any texture.

  Furthermore, when the knob part a and the container body 2 are subjected to a rotational load at this forward limit, the engaging protrusion 36 that is elastically projected from the cylindrical portion 35 of the core chuck member 30 is formed with continuous irregularities. The knurled spiral 23 in the base tube 20 is simply screwed and detached repeatedly, and at this time, a ticking sound is generated to inform the user of the advancement limit of the feeding. If the rotation is reversed, the engagement protrusion 36 is simply screwed back to accommodate the rod-shaped decorative material A in the front tube 10.

  Also, when a similar turning load is applied to retract the same lead chuck member 30 at the retreating limit, the screwing and disengagement are repeated in the same manner as at the feeding and advancing limit, and a generated sound is notified to the user.

  In the embodiment, the cylindrical slit 35 is provided with a key-like slit 35a in the axial direction. This was made to give the elasticity in the axial direction of the stick-shaped decorative material A at the time of makeup and to reduce the reaction of the core chuck member 30 at the time of retraction at the time of clutching and to reduce the vibration to the claw piece 32. is there.

The clutch rotation at the backward limit is different from the clutch rotation at the forward limit, and a key-like slit 35a is provided in order to prevent the vibration of the clutch from applying a force in the direction in which the stick-shaped decorative material is pushed out from the claw piece 32.

  The present invention is an invention relating to a cartridge 1 for a cosmetic container, and includes a front tube 10, a base tube 20, and a core chuck member 30, and the base tube 20 is connected to the front tube 10 so as to be rotatable as a small-diameter cylindrical body. The cartridge 1 is formed as a whole, and a knurled spiral 23 is formed in the base cylinder 20 by a concave and convex portion having a continuous spiral portion 22 in the axial direction. The core chuck member 30 is formed by the knurled spiral. Since it is elastically screwed with respect to 23, the rod-shaped decorative material and the feeding mechanism are protected by utilizing the ease of screwing and screwing back and screwing back.

  In the first embodiment, the engaging protrusion 36 of the core chuck member 30 is provided on the convex piece 37 formed on the circumference of the slit 35b, but is not limited thereto. Even if a large number of protrusions are provided in the direction, they belong to the technical category of the present invention.

  FIGS. 6 to 8 are views showing a second embodiment. FIG. 6 is a longitudinal sectional view of a cartridge 101 of a decorative material container. FIG. FIGS. 8A and 8B show the respective parts of the base cylinder 120 and the core chuck member 130, and FIG. 8 shows a state where the cartridge 101 is loaded in the container body 2 shown in FIG. It is.

  Similarly to the first embodiment, the second embodiment includes a front tube 110, a base tube 120, and a core chuck member 130 as shown in FIG. 7, and the front tube 110 has a tip opening hole 111 as in the first embodiment. A through-hole 113 is formed, and a sliding groove 112 is formed along the through-hole 113. A claw piece 132 at the tip of the core chuck member 130 is positioned in the sliding groove 112 to hold and slide the stick-shaped decorative material. The rod shaft 134 that moves and extends from the claw piece 132 is engaged with the cross-shaped sliding groove 112 to constitute a rotation stop mechanism. In addition, a cylindrical portion 135 is provided in the hollow portion of the rod shaft 134, and a thread slit 135a is provided in the cylindrical portion 135, and an engaging projection 136 is provided on the outer periphery, and a spiral portion of the base cylinder 120 described later is provided. The feeding mechanism is configured by screwing.

  The base cylinder 120 has the same outer diameter and shape as in the first embodiment, and the inner knurled spiral 123 has a spiral portion 122 from the upper end portion 122a of the spiral portion at the beginning of the spiral cutting to about 2/3 of the inner diameter to the bottom surface. The stroke length is formed.

  A feature of the second embodiment resides in clutch rotation at a rotational load in the forward advance limit, and is shown in FIG.

When the cartridge formed entirely from the knob part a ′ and the container main body insertion part b ′ shown in FIG. 6 is loaded into the container main body 3 shown in FIG. By rotation, the container main body 2 and the base cylinder 120 are rotated synchronously by the engagement rib 124 of the base cylinder 120, the feeding mechanism is operated by the rotation of the front cylinder 110 and the base cylinder 120, and the rod-shaped decorative material B is the front cylinder 110. It advances from the front-end opening hole 111 and enables makeup. When applying makeup, since the stick-shaped decorative material B abuts against the user's skin with elasticity in the axial direction by the thread slit 135a formed in the cylindrical portion 135 of the core chuck member 130, makeup with a soft touch is possible. .

  Further, when a further rotating load is applied at the advance advance limit shown in FIG. 8, the advance contact portion 138 on the front surface of the cylindrical portion 135 of the core chuck member 130 contacts the contact step portion 117 in the front tube 110. Therefore, the thread slit 135a is reduced in the axial direction, the engaging protrusion lower end portion 136a comes out of the spiral portion upper end portion 122a, and the valley portion and the mountain portion of the knurled spiral 123 are made elastic in the axial direction of the thread slit 135a. Then, the screwing / removing and the screwing / returning are repeatedly performed by pulling out, and at this time, a tick is made to inform the user of the advance limit of the feeding.

  In the first embodiment, the cylindrical portion 35 of the core chuck member 30 is provided with a key-like slit 35a to provide axial elasticity, and the engagement projection 36 is projected on the surface of the convex piece 37 by the slit 35b. The knurled spiral formed by the continuous irregularities in the base cylinder 20 is elastically screwed, and the elasticity of the convex piece 37 facilitates screwing and unscrewing, while the second embodiment In the example, a screw slit 135a is provided in the cylindrical portion 135 of the core chuck member 130 to provide axial elasticity, and the spiral portion 122 having the spiral cutting start of the spiral upper end portion 122a on the inner diameter of the base cylinder 120 is axially provided. The engaging projection 136 is projected from the rear portion of the cylindrical portion 135 of the core chuck member 130 and screwed into the helical portion 122, and the cylindrical portion 135 is contracted by the thread slit 135a at the upper limit of advance. The engagement projection 136 is removed from the spiral portion 122 by means of the above, and means for engaging the engagement projection 136 with the spiral portion 122 by the restoring force of the thread slit 135a of the cylindrical portion 135 is adopted. The second embodiment is characterized in that the spiral portions 22 and 122 are formed by knurled spirals 23 and 123 formed by continuous irregularities in the base cylinders 20 and 120, and the rear portions of the core chuck members 30 and 130 are engaged. The projections 36 and 136 are screwed together.

  Further, the core chuck members 30 and 130 are provided with cylindrical portions 35 and 135 at the rear, and the cylindrical portions are provided with a key-like slit 35a and a thread slit 135a, and the cylindrical portions 35 and 135 are arranged in the axial direction. A means having elasticity is taken.

  9 to 10 show a cartridge 201 of a cosmetic material container according to a third embodiment. FIG. 9 shows a longitudinal sectional view of the cartridge 201, and FIG. Show.

  The cartridge 201 operates with the same feeding mechanism as the cartridge 1 of the first embodiment. However, since the stick-shaped decorative material C is formed in an elliptical shape, the tip of the diagram (A ′) shown in FIG. In the cylinder 210, the tip opening hole 211 is arranged as a similar ellipse tip opening hole 211 on which the elliptical rod-shaped decorative material C can slide, and the sliding groove 212 of the through hole 213 is formed as shown in FIG. It is characterized in that a pair is provided along the major axis opposite to the minor axis.

  A pair of claw pieces 232 constitutes a rod-shaped decorative material holding portion 231. As shown in FIG. (C '), the ridges 233 are also engaged with the sliding grooves 212 as a pair of ridges to constitute a rotation stop mechanism.

  The cartridge 201 is loaded in the container main body 2 of FIG. 3, and the stick-shaped decorative material C advances from the tip opening hole 211 of the front tube 210 by the same feeding mechanism as in the first embodiment by the rotation operation of the knob part a and the container main body 2. To do. When applying makeup, it is possible to apply makeup with a soft touch due to the axial elasticity of the key-shaped slit 235 a provided in the cylindrical portion 235 of the core chuck member 230.

  In addition, for the rotational load at the forward advance limit / retreat limit, the engagement protrusion 236 makes a clicking sound by repeatedly screwing / removing and returning to / from the spiral portion in the base tube 220, and this is made to the user. As well as guaranteeing the safety of the feeding mechanism and the bar-shaped decorative material C.

The present invention relates to a cartridge for a decorative material container, and is formed by continuous concavities and convexities in a base cylinder by connecting the front cylinder and the base cylinder as a cylindrical body having a smaller diameter than the outer diameter of the front end face. By providing a stroke length in the axial direction with a knurled spiral as a spiral part and configuring a feeding mechanism with an engagement projection protruding from the rear part of the core chuck member, the safety is high, and it is configured with a minimum number of parts, This invention makes it possible to provide a cartridge having a small outer diameter.

FIG. 3 is a partial longitudinal sectional view of a cartridge used in the first embodiment of the present invention. FIG. 2 is a partial longitudinal sectional view of each member used in the cartridge of FIG. 1. It is a longitudinal cross-sectional view of the container main body to which the cartridge shown in the first embodiment is mounted. FIG. 4 is a partial longitudinal sectional view showing a state in which the cartridge of FIG. 1 is mounted on the container main body of FIG. 3. FIG. 5 is a partial longitudinal sectional view showing a state of a forward advance limit of the cartridge type bar-shaped cosmetic material supply container shown in FIG. 4. It is a longitudinal cross-sectional view of the cartridge used in 2nd Example of this invention. FIG. 7 is a partial longitudinal sectional view showing each member of the cartridge of FIG. 6. It is a partial longitudinal cross-sectional view which shows the state of the advance advance limit of the cartridge type stick-shaped cosmetic material delivery container of 2nd Example. FIG. 6 is a partial longitudinal sectional view of a cartridge used in a third embodiment of the present invention. It is a partial longitudinal cross-sectional view of each member used with the cartridge-type stick-shaped cosmetic material delivery container of 3rd Example. This is a conventional example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Cartridge 2 ... Container body 3 ... Cap 4 ... Mascara brush 5 ... Cartridge-type stick-shaped cosmetic material feeding container A ... Stick-shaped cosmetic material a ...・ Pick part b .... Container body insertion part c .... Pipe cylinder insertion part 10 .... Pipe cylinder 11 ... Tip opening hole 12 ... Sliding groove 13 ... Through hole 14 ... · Cavity 15 ··· fitting recess 16 ··· end surface 20 · · · base tube 20a · · O-ring 20b · · O-ring 21 · · · upper opening 22 · · · spiral portion 23 · · · knurled Spiral 24 ... engaging rib 25 ... bottomed part 26 ... tip tube fitting part 27 ... fitting convex part 30 ... core chuck member 31 ... stick-shaped decorative material holding part 32 ... -Claw piece 33 ... Projection 34 ... Bar shaft 35 ... Cylindrical portion 35a ... Slit 35b ... Slit 36 ... Engagement projection 37 ... Convex piece 38 .. advance contact portion 101... Cartridge B... Rod-shaped decorative material 110... Tip tube 111 .. tip opening hole 112. Step 120 ·· Base tube 122 · Spiral portion 122a · Spiral upper end portion 123 · · Knurled spiral 124 · · Engaging rib 130 · · Core chuck member 132 · · Claw piece 134 · · Bar shaft 135 · · Cylindrical Portion 135a, thread slit 136, engagement protrusion 136a, engagement protrusion lower end 138, advance contact portion 201, cartridge C,... Rod-shaped decorative material 210, tip cylinder 211, tip opening hole 212 ..Sliding groove 213 ..through hole 220. ..Engaging protrusions

Claims (4)

A front tube having an opening hole through which the rod-shaped decorative material advances and retreats, having a through hole with substantially the same size as the opening hole, and forming a plurality of sliding grooves along the through hole;
A core chuck member provided with a plurality of claw pieces for holding a stick-shaped decorative material at the tip, and positioning the claw pieces in the plurality of sliding grooves, and means for rotating in synchronization with the tip tube;
A cosmetic container cartridge comprising a base cylinder rotatably connected to the leading cylinder;
The container main body insertion portion of the base tube is provided with means for rotating in synchronism with the container main body when fitted to the container, and the inner diameter of the base tube is formed with a knurled spiral as a spiral length, The engaging protrusion projecting from the rear part of the core chuck member is screwed into the spiral part to constitute a feeding mechanism,
The rod shaft rear portion of the core chuck member, hooked slits or screw thread slits are formed, the key-shaped slit or the screw threads slits stretch has elasticity in the axial direction by Rukoto be reduced in the axial direction A cosmetic container characterized in that a cylindrical portion is provided, and an engaging projection protrudes from the outer periphery of the cylindrical portion, and the engaging projection is elastically screwed into the knurled spiral of the base tube. cartridge.   The full length of the front tube is formed as a knob, and a cylindrical body having a diameter smaller than the outer shape of the front end surface of the front tube is connected as a base tube main body insertion portion. 2. The cartridge of a cosmetic material container according to claim 1, wherein a convex part and means for rotating in synchronism with the container main body are arranged to form an entire figure.   The cosmetic container according to claim 1, wherein the advance advance limit is determined by the advance contact portion of the front end of the cylindrical portion of the core chuck member coming into contact with the contact step portion in the front cylindrical cavity portion. cartridge.   2. The cartridge of a cosmetic container according to claim 1, wherein when an overload is applied as rotational force at the forward limit and the backward limit of the core chuck member, the base cylinder clutches against the core chuck member.

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