JPH038170Y2 - - Google Patents
Info
- Publication number
- JPH038170Y2 JPH038170Y2 JP5732887U JP5732887U JPH038170Y2 JP H038170 Y2 JPH038170 Y2 JP H038170Y2 JP 5732887 U JP5732887 U JP 5732887U JP 5732887 U JP5732887 U JP 5732887U JP H038170 Y2 JPH038170 Y2 JP H038170Y2
- Authority
- JP
- Japan
- Prior art keywords
- core
- core chuck
- rod
- shaft
- small columnar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 210000000078 claw Anatomy 0.000 claims description 38
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 239000002537 cosmetic Substances 0.000 description 10
- 238000005452 bending Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は棒状芯の芯チヤツクに関するもので、
特に柔らかくて折れやすい棒状化粧料芯を折損さ
せたり崩したりすることなくソフトに、しかも十
分強い保持力で保持できる棒状芯の芯チヤツクに
関するものである。[Detailed description of the invention] [Field of industrial application] The present invention relates to a core chuck with a rod-shaped core.
This invention relates to a core chuck for a rod-shaped core that can hold the rod-shaped cosmetic core softly and with a sufficiently strong holding force without breaking or breaking the rod-shaped cosmetic core, which is particularly soft and easily broken.
最近、アイシヤドウ、アイラインなどのような
化粧品の棒状芯は、使用感を向上させるため、よ
り軟質のものが採用される傾向にあるが、ソフト
な使用感にすればするほど、芯は折れやすくなる
という問題がある。
Recently, there has been a trend towards softer rod-shaped cores for cosmetics such as eye shadows and eyeliners in order to improve the feel of use, but the softer the feel, the more likely the core will break. There is a problem with becoming.
特に、細い棒状化粧料芯を回転繰出機構に連結
した芯チヤツクでくわえて保持するタイプの化粧
品においては、軟質の芯を芯チヤツクにくわえさ
せる時にすでに折損や圧潰の危険がある。他方、
この危険を避けようとして芯チヤツクを弾力性の
弱いものに作れば、芯の折損や崩れは防止できる
が、芯チヤツクの保持力が低下するので、芯の抜
け落ちなどの問題を生じて好ましくない。 Particularly in cosmetics of the type in which a thin rod-shaped cosmetic core is held in a core chuck connected to a rotary feeding mechanism, there is already a risk of breakage or crushing when the soft core is held in the core chuck. On the other hand,
In order to avoid this risk, if the lead chuck is made of a material with low elasticity, breakage or collapse of the lead can be prevented, but the holding power of the lead chuck will be reduced, which is undesirable as it will cause problems such as the lead falling out.
本考案は、かような背景に鑑みてなされたもの
で、棒状化粧料芯を折損や破壊のおそれなく、し
かも脱落の危険なく、ソフトに且つ十分強い保持
力で保持することのできる棒状芯の芯チヤツクを
提供することを目的とする。
The present invention was made in view of the above background, and is a rod-shaped cosmetic core that can be held softly and with a sufficiently strong holding force without the risk of breakage or destruction, and without the risk of falling off. The purpose is to provide a core chuck.
本考案の芯チヤツクは、芯チヤツク軸の先端
に、内周面が棒状芯の外周に密接し得る形状の小
柱状ツメを複数個形成し、この内周面には棒状芯
の外周に食い込む形状の縦リブ又は点状凸部など
の係止突起を設け、小柱状ツメの基部の両脇に軸
方向に割りを入れて、この割りは芯チヤツク軸内
部の空洞部に連通させると共に、空洞部のほぼ中
央に棒状芯の進入限度を画するストツパーを突設
したことを基本的特徴とするものである。
The core chuck of the present invention has a plurality of small cylindrical claws formed at the tip of the core chuck shaft, the inner peripheral surface of which is shaped so as to be in close contact with the outer periphery of the rod-shaped core, and the inner peripheral surface has a shape that bites into the outer periphery of the rod-shaped core. A locking protrusion such as a vertical rib or a dotted protrusion is provided, and a split is made in the axial direction on both sides of the base of the small columnar claw, and this split communicates with the hollow part inside the core chuck shaft, and the hollow part The basic feature is that a stopper is provided protruding from approximately the center of the rod-shaped core to define the limit of entry of the rod-shaped core.
小柱状ツメの基部に割りを入れ、割りを内部の
空洞部と連通させることにより、棒状芯を芯チヤ
ツクに挿入する時、小柱状ツメだけでなく、割り
と割りの間の部分も一緒に撓んで開口するから、
撓曲部分が長くなつただけ棒状芯の進入に対する
抵抗力は小さくなり、棒状芯を崩したり折損させ
たりする危険がなくなる一方、小柱状ツメの部分
の弾性力は弱められていないから、芯をつかむ力
は十分に強い。 By making a split at the base of the small columnar claw and making the split communicate with the internal cavity, when inserting the rod-shaped core into the core chuck, not only the small columnar claw but also the part between the split and the split can be bent. I'll open it,
As the bending portion becomes longer, the resistance force against the rod-like core's entry becomes smaller, eliminating the risk of the rod-like core collapsing or breaking. On the other hand, the elastic force of the trabecular claw part is not weakened, so the core The grip is strong enough.
このように撓曲部分を長くすることは、他方で
内部の空洞部も長くするから、そこへ進入する棒
状芯基部の長さも長くなるのが普通であるが、こ
の部分はチヤツク内に隠れていて実際の化粧には
使えない無駄な部分である。本考案においては、
軸方向の割りと連通する空洞部には小柱状ツメの
基部にほぼ相当する位置までストツパーを突設し
てあるから、棒状芯の無駄な部分を極力少なくす
ることができる。 Increasing the length of the bent portion in this way also lengthens the internal cavity, so the length of the rod-shaped core base that enters there also becomes longer, but this portion is hidden inside the chuck. This is a wasteful part that cannot be used for actual makeup. In this invention,
Since a stopper is provided in the cavity communicating with the axial split to a position that approximately corresponds to the base of the small columnar claw, the wasted portion of the rod-like core can be minimized.
図面を参照して本考案の実施例について説明す
る。第１図は、本考案の芯チヤツクを使用するに
適した一般的な繰出式棒状化粧品の一例を示すも
ので、この化粧品はテーパー先筒１に軸筒２を相
対回転可能に嵌め合わせ、軸筒２の内周に形成し
た螺旋みぞに螺合する芯チヤツク軸３を軸筒２内
に収容して構成されている。図示の例で、芯チヤ
ツク軸３はその基部４の外周の突起で螺旋みぞと
係合し、芯チヤツク軸３先端の芯チヤツク部５で
棒状化粧料芯６を保持している。この芯チヤツク
部５が本考案に係る部分である。なお、７はＯリ
ング、８は他種類の化粧品又は小物などの付属品
である。
Embodiments of the present invention will be described with reference to the drawings. Fig. 1 shows an example of a general dispense-type bar-shaped cosmetic product suitable for using the core chuck of the present invention. A core chuck shaft 3 which is screwed into a spiral groove formed on the inner periphery of the cylinder 2 is accommodated in the shaft cylinder 2. In the illustrated example, the core chuck shaft 3 engages with the spiral groove with a protrusion on the outer periphery of its base 4, and holds a rod-shaped cosmetic core 6 with a core chuck portion 5 at the tip of the core chuck shaft 3. This core chuck portion 5 is the part according to the present invention. Note that 7 is an O-ring, and 8 is an accessory such as other types of cosmetics or accessories.
芯チヤツク軸３の少なくとも一部を断面非円形
状とし、これに相当する形状の孔に芯チヤツク軸
を挿通すれば、軸筒２をテーパー先筒１に対し相
対回転させた時、芯チヤツク軸３及び芯６は回転
せずに前進後退する。このため、図示の例では、
芯チヤツク軸３の断面を基部４を除く全長にわた
り非円形状、例えば三角形とし、これをテーパー
先筒１の同じ断面形状の内孔に挿通してある。 If at least a part of the core chuck shaft 3 has a non-circular cross section and the core chuck shaft is inserted into a hole with a corresponding shape, when the shaft tube 2 is rotated relative to the tapered tip tube 1, the core chuck shaft 3 and the core 6 move forward and backward without rotating. Therefore, in the illustrated example,
The cross section of the core chuck shaft 3 is non-circular, for example triangular, over its entire length except for the base 4, and is inserted into an inner hole of the tapered tip tube 1 having the same cross-sectional shape.
第２図乃至第５図を参照して本考案に係る芯チ
ヤツクの第１の実施例について説明する。芯チヤ
ツク軸３は、上述のように基部４を除き、断面ほ
ぼ三角形状をなし、従つて稜３ａと、この稜の間
をつなぐ斜辺面３ｂとを有している。基部４は、
第１図に示したような軸筒２内周の螺旋みぞに係
合する突起４ａを有している（第５図参照）。 A first embodiment of the core chuck according to the present invention will be described with reference to FIGS. 2 to 5. As mentioned above, the core chuck shaft 3 has a substantially triangular cross section except for the base 4, and therefore has a ridge 3a and a hypotenuse surface 3b connecting the ridges. The base 4 is
It has a protrusion 4a that engages with a spiral groove on the inner circumference of the shaft cylinder 2 as shown in FIG. 1 (see FIG. 5).
芯チヤツク軸３の先端は芯チヤツク部５を構成
する。芯チヤツク部５は、３本の稜３ａ沿いに形
成された３本の小柱状ツメ１０を有する。第２図
〜第４図において、３本のツメは便宜101〜１０3
として示してあるが、いずれも同一形状である。
ツメ１０の内周面１１は、棒状芯６の外周に対応
する形状、図示の例では円弧状に形成され、芯６
の外周面と面接触して保持するようになつてい
る。この保持力を一層強めるため、円弧状内周面
１１の中央に、芯６に食い込み把持するための係
止突条が軸方向の縦リブ１２として設けられてい
る。 The tip of the core chuck shaft 3 constitutes a core chuck portion 5. The core chuck portion 5 has three small columnar claws 10 formed along three edges 3a. In Figures 2 to 4, the three claws are for convenience 10 1 to 10 3
Although they are shown as , they all have the same shape.
The inner peripheral surface 11 of the claw 10 has a shape corresponding to the outer periphery of the rod-shaped core 6, which is an arc shape in the illustrated example.
It is designed to be held in surface contact with the outer peripheral surface of the In order to further strengthen this holding force, a locking protrusion for biting into and gripping the core 6 is provided in the center of the arcuate inner circumferential surface 11 as a vertical rib 12 in the axial direction.
本考案によれば、各ツメ１０の基部の両脇から
芯チヤツク軸３の斜辺面３ｂに軸方向に割り１３
が入れられ、この割り１３は、第３図から明らか
なように、芯チヤツク軸の内部に三角形状の空洞
部１４として続いている。空洞部１４は３つの壁
面１４ｂで囲まれ、壁面１４ｂの上端はツメ１０
の内周面１１に続く段部１４ａとなり、壁面１４
ｂの下端は空洞部１４の底１４ｃに続く。 According to the present invention, there is a split 13 in the axial direction from both sides of the base of each claw 10 to the hypotenuse surface 3b of the core chuck shaft 3.
As is clear from FIG. 3, this split 13 continues inside the core chuck shaft as a triangular cavity 14. The cavity 14 is surrounded by three walls 14b, and the upper end of the wall 14b has a claw 10.
The step portion 14a continues to the inner circumferential surface 11 of the wall surface 14.
The lower end of b continues to the bottom 14c of the cavity 14.
この底１４ｃのほぼ中心から円柱状にストツパ
ー１５が突設されている。ストツパー１５は、小
柱状ツメ１０1〜１０3の間に挿入された棒状芯６
の基部が必要以上に長く芯チヤツク部に入り込ま
ないようにするためのものである。 A cylindrical stopper 15 projects from approximately the center of the bottom 14c. The stopper 15 has a rod-shaped core 6 inserted between the small columnar claws 10 1 to 10 3 .
This is to prevent the base of the core from entering the core chuck part longer than necessary.
本考案の芯チヤツクは以上の構成より成るの
で、棒状芯を挿入する時の抵抗が小さく、芯を圧
潰折損する危険が少なく、しかも挿入した芯を脱
落しないように十分強い力で保持する。即ち、小
柱状ツメ１０1〜１０3の内周面１１を結んだ円よ
り僅かに太径の棒状芯６を本考案の芯チヤツク部
５に挿入しようとすると、第２図にやゝ誇張して
示す鎖線Ａのようにツメ１０と、割り１３の間の
芯チヤツク軸の肉部とが長い距離にわたつて撓曲
し、芯を抵抗少なく受け入れる。この撓曲距離
が、例えば別の鎖線Ｂで示すように短かいと、ツ
メ１０を押し開こうとする棒状芯に対する抵抗が
強くなり、特に柔らかい棒状芯の場合には基部が
崩れたり、長さの途中で折損したりする事故が起
きる。また、撓曲距離が短かい場合（鎖線Ｂ）
は、芯を挿入し終つた後も撓曲が十分戻らない
で、小柱状ツメ１０の内周面１１の芯に対する接
触面が比較的小さくなり、保持力が不十分になる
ことがあり得るが、鎖線Ａのように十分長い距離
で撓曲すると内周面１１の芯に対する密着面積が
大きく、十分な弾力性を以つて芯を保持すること
ができる。 Since the core chuck of the present invention has the above structure, the resistance when inserting the rod-shaped core is low, there is little risk of crushing and breaking the core, and moreover, the inserted core is held with a strong enough force to prevent it from falling out. That is, when trying to insert a rod-shaped core 6 having a diameter slightly larger than the circle connecting the inner circumferential surfaces 11 of the small columnar claws 10 1 to 10 3 into the core chuck portion 5 of the present invention, the result is slightly exaggerated as shown in FIG. As shown by the chain line A, the flesh part of the lead chuck shaft between the claw 10 and the split 13 is bent over a long distance to accept the lead with little resistance. If this bending distance is short, for example, as shown by another chain line B, the resistance against the rod-like core that tries to push open the claw 10 will be strong, and in the case of a particularly soft rod-like core, the base may collapse or the length Accidents such as breakage occur during the process. Also, when the bending distance is short (dashed line B)
However, even after the core has been inserted, the bending may not return sufficiently, and the contact surface of the inner circumferential surface 11 of the trabecular claw 10 with the core may become relatively small, resulting in insufficient holding force. When the core is bent over a sufficiently long distance as shown by the chain line A, the area of the inner circumferential surface 11 in close contact with the core is large, and the core can be held with sufficient elasticity.
本考案の芯チヤツクは第６図に示す第２の実施
例のように実施することもできる。この場合、芯
チヤツク軸は少なくともその先端に形成される芯
チヤツク部５において断面円形をしており、この
芯チヤツク部は内周面２１も外周面も円弧状をな
す２個の小柱状ツメ２０で形成されており、内周
面２１に縦リブ２２を有している。ツメ２０の基
部の両脇から芯チヤツク軸に２本の割り２３が入
れられ、割り２３に連通する内部の空洞部のほぼ
中央に前例（特に第４図）と同様なストツパー２
５が設けられている。 The core chuck of the present invention can also be implemented as in the second embodiment shown in FIG. In this case, the core chuck shaft has a circular cross section at least at the core chuck portion 5 formed at its tip, and this core chuck portion has two small columnar claws 20 whose inner peripheral surface 21 and outer peripheral surface are both arcuate. It has vertical ribs 22 on the inner circumferential surface 21. Two splits 23 are inserted into the core chuck shaft from both sides of the base of the claw 20, and a stopper 2 similar to the previous example (particularly Fig. 4) is placed approximately in the center of the internal cavity communicating with the splits 23.
5 is provided.
第７図は本考案の芯チヤツクの第３の実施例を
示す。芯チヤツク部５は断面四角形状であり、そ
の稜の各々に沿つて４本の小柱状ツメ３０が形成
されている。ツメの内周面３１は円弧状をなし、
縦リブ３２が設けられている。この割り３３に連
通する内部の空洞部のほぼ中央にストツパー３５
が第１、第２の実施例と同様に突設されている。 FIG. 7 shows a third embodiment of the core chuck of the present invention. The core chuck portion 5 has a rectangular cross section, and four small columnar claws 30 are formed along each of its edges. The inner peripheral surface 31 of the claw has an arc shape,
A vertical rib 32 is provided. A stopper 35 is located approximately in the center of the internal cavity that communicates with this split 33.
is provided in a protruding manner similar to the first and second embodiments.
第２及び第３の実施例における小柱状ツメと割
りの作用効果は第１の実施例と同様である。 The effects of the trabecular claws and splits in the second and third embodiments are the same as in the first embodiment.
小柱状ツメの内周面１１，２１等に形成する縦
リブ１２，２２，３２は、第８図に示すようにツ
メ４０の内周面に点状に形成した凸部４２に代え
てもよい。 The vertical ribs 12, 22, 32 formed on the inner circumferential surfaces 11, 21, etc. of the small columnar claws may be replaced with convex portions 42 formed in dots on the inner circumferential surface of the claw 40, as shown in FIG. .
また、第２図に関し前述したような小柱状ツメ
の撓曲抵抗をさらにソフトにするため、第９図に
示すように、撓曲の起点即ち割りの終端付近を溝
又は切込みなどにより薄肉部５６としてもよい。
５０はツメ、５３は割りを示しており、いずれも
前述の第１乃至第３の実施例のいずれかであり得
る。 In addition, in order to further soften the bending resistance of the trabecular claw as described above with reference to FIG. 2, as shown in FIG. You can also use it as
Reference numeral 50 indicates a claw, and reference numeral 53 indicates a split, both of which may be any of the first to third embodiments described above.
本考案によれば、芯チヤツク部の小柱状ツメの
基部の両脇に軸方向に割りを入れて、棒状芯の挿
入に際し撓曲し得る部分を長くし抵抗をソフトに
したから、細く柔らかい棒状芯を折つたり崩した
りする危険なく挿入保持することができる効果が
ある。棒状芯の挿入後は、撓曲部分が小柱状ツメ
だけよりも長いため弾力的復帰が容易であり、棒
状芯を十分な保持力で保持することができる効果
がある。また、撓曲部分を長くしても内部の空洞
部はストツパーにより遮られていて長くならない
から、棒状芯基部の使えない部分を長くしない効
果がある。
According to the present invention, a split is made in the axial direction on both sides of the base of the small columnar claw of the core chuck part, and the part that can be bent when inserting the rod-shaped core is lengthened and the resistance is softened. This has the effect of allowing the core to be inserted and held without the risk of breaking or breaking it. After the rod-shaped core is inserted, since the bent portion is longer than only the trabecular claws, elastic return is easy, and the rod-shaped core can be held with sufficient holding force. Further, even if the bent portion is lengthened, the inner cavity is blocked by the stopper and does not become longer, so there is an effect that the unusable portion of the rod-shaped core base is not lengthened.
第１図は本考案の芯チヤツクを使用する繰出式
棒状化粧品の一例を示す断面図、第２図乃至第５
図は本考案の芯チヤツクの第１の実施例を示すも
ので、第２図は芯チヤツク軸の一部を切除して示
す側面図、第３図は第２図の左端から見た芯チヤ
ツク部を拡大して示す端面図、第４図は芯チヤツ
ク部の断面図、第５図は第２図の右端から見た芯
チヤツク軸の端面図、第６図は本考案の芯チヤツ
クの第２の実施例を示す端面図、第７図は同じく
第３の実施例を示す端面図、第８図は本考案の芯
チヤツクの変形例を示す部分断面図、第９図は同
じくさらに他の変形例を示す部分側面図である。
主要符号、３……芯チヤツク軸、３ａ……稜、
５……芯チヤツク部、１０，２０，３０，４０，
５０……小柱状ツメ、１１，２１，３１……内周
面、１２，２２，３２……縦リブ（係止突起）、
４２……点状凸部（係止突起）、１３，２３，３
３，５３……割り、１４……空洞部、１５，２
５，３５……ストツパー。
Fig. 1 is a sectional view showing an example of a dispensing type cosmetic bar using the core chuck of the present invention, and Figs.
The figures show the first embodiment of the core chuck of the present invention. Figure 2 is a side view with a part of the core chuck shaft cut away, and Figure 3 is a view of the core chuck seen from the left end of Figure 2. 4 is a cross-sectional view of the core chuck portion, FIG. 5 is an end view of the core chuck shaft seen from the right end of FIG. 2, and FIG. 6 is a cross-sectional view of the core chuck portion of the present invention. FIG. 7 is an end view showing the second embodiment, FIG. 7 is an end view showing the third embodiment, FIG. 8 is a partial sectional view showing a modified example of the core chuck of the present invention, and FIG. It is a partial side view which shows a modification. Main code, 3...core chuck axis, 3a...edge,
5... Core chuck part, 10, 20, 30, 40,
50... Small columnar claw, 11, 21, 31... Inner peripheral surface, 12, 22, 32... Vertical rib (locking protrusion),
42... Point-like protrusion (locking protrusion), 13, 23, 3
3,53...split, 14...hollow part, 15,2
5,35...stopper.
Claims (1)
面が棒状芯の外周面に対応した形状の小柱状ツ
メを複数個形成し、該内周面には棒状芯の外周
に食い込む形状の係止突起を設け、前記小柱状
ツメの基部の両脇に割りを入れ、該割りに連通
する芯チヤツク軸内部の空洞部に棒状芯の進入
限度を定めるストツパーを設けたことを特徴と
する棒状芯の芯チヤツク。 ２ 前記棒状芯が断面円形であり、前記小柱状ツ
メの内周面が円弧状をなしている実用新案登録
請求の範囲第１項記載の芯チヤツク。 ３ 前記芯チヤツク軸が断面ほぼ三角形状であ
り、該芯チヤツク軸先端の各稜沿いに３本の小
柱状ツメが形成されている実用新案登録請求の
範囲第１項記載の芯チヤツク。 ４ 前記芯チヤツク軸が少なくとも先端において
断面円形であり、その先端に内周面及び外周面
共円弧状である２個の小柱状ツメが形成されて
いる実用新案登録請求の範囲第１項記載の芯チ
ヤツク。 ５ 前記芯チヤツク軸が断面四角形状であり、そ
の先端の各稜沿いに４本の小柱状ツメが形成さ
れている実用新案登録請求の範囲第１項記載の
芯チヤツク。 ６ 前記小柱状ツメの内周面の係止突起は、軸方
向に延びる縦リブである実用新案登録請求の範
囲第３項、第４項又は第５項記載の芯チヤツ
ク。 ７ 前記小柱状ツメの内周面の係止突起は、点状
の凸部である実用新案登録請求の範囲第３項、
第４項又は第５項記載の芯チヤツク。 ８ 前記小柱状ツメの両脇の割りの終端付近で芯
チヤツク軸外表面に薄肉部を形状してある実用
新案登録請求の範囲第６項又は第７項記載の芯
チヤツク。[Claims for Utility Model Registration] 1. A plurality of small cylindrical claws whose inner peripheral surface corresponds to the outer peripheral surface of the rod-shaped core are formed on the core chuck portion at the tip of the core chuck shaft, and the inner peripheral surface has rod-shaped claws. A locking projection having a shape that bites into the outer periphery of the core is provided, a split is made on both sides of the base of the small columnar claw, and a stopper is provided in a cavity inside the core chuck shaft that communicates with the split to determine the limit of entry of the rod-shaped core. A core chuck with a rod-shaped core. 2. The core chuck according to claim 1, wherein the rod-shaped core has a circular cross section, and the inner peripheral surface of the small columnar claw has an arc shape. 3. The core chuck according to claim 1, wherein the core chuck shaft has a substantially triangular cross section, and three small columnar claws are formed along each ridge at the tip of the core chuck shaft. 4. The utility model according to claim 1, wherein the core chuck shaft has a circular cross section at least at its tip, and two small columnar claws whose inner and outer circumferential surfaces are both arcuate are formed at the tip. Core check. 5. The core chuck according to claim 1, wherein the core chuck shaft has a rectangular cross section, and four small columnar claws are formed along each ridge at the tip thereof. 6. The core chuck according to claim 3, 4 or 5, wherein the locking protrusion on the inner peripheral surface of the small columnar claw is a vertical rib extending in the axial direction. 7. Utility model registration claim 3, wherein the locking protrusion on the inner circumferential surface of the small columnar claw is a point-like convex portion;
The core chuck according to item 4 or 5. 8. The core chuck according to claim 6 or 7, wherein a thin portion is formed on the outer surface of the shaft of the core chuck near the end of the split on both sides of the small columnar claw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5732887U JPH038170Y2 (en) | 1987-04-15 | 1987-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5732887U JPH038170Y2 (en) | 1987-04-15 | 1987-04-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63163712U JPS63163712U (en) | 1988-10-25 |
| JPH038170Y2 true JPH038170Y2 (en) | 1991-02-28 |
Family
ID=30886936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5732887U Expired JPH038170Y2 (en) | 1987-04-15 | 1987-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH038170Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023058080A (en) * | 2021-10-13 | 2023-04-25 | ナッチコーポレーション株式会社 | Cosmetic tool |
-
1987
- 1987-04-15 JP JP5732887U patent/JPH038170Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63163712U (en) | 1988-10-25 |
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