JPS5943190U - Notsuku crown of Notsuku style pencil - Google Patents

Notsuku crown of Notsuku style pencil

Info

Publication number
JPS5943190U
JPS5943190U JP13992782U JP13992782U JPS5943190U JP S5943190 U JPS5943190 U JP S5943190U JP 13992782 U JP13992782 U JP 13992782U JP 13992782 U JP13992782 U JP 13992782U JP S5943190 U JPS5943190 U JP S5943190U
Authority
JP
Japan
Prior art keywords
notsuku
crown
knock
pencil
inner cylinder
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.)
Pending
Application number
JP13992782U
Other languages
Japanese (ja)
Inventor
佐山　展久
Original Assignee
株式会社大平
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社大平 filed Critical 株式会社大平
Priority to JP13992782U priority Critical patent/JPS5943190U/en
Publication of JPS5943190U publication Critical patent/JPS5943190U/en
Pending legal-status Critical Current

Links

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来のノック式ペンシルの外形図、第２図は第
１図に示すもののノック冠の外形図、第３図は第２図口
の■−■断面図、第４図イはこの考案に係る一実施例の
斜視図、同図口はその横断面図、第５図、第６図はこの
考案に係るノック冠の他の横断面形状を示す図、第７図
はこの考案の他の実施例を示す縦断面図である。 ４・・・内筒、８・・・開口部、１０．２０・・・ノッ
ク冠、２１・・・特大曲率半径面、２２・・・挿入口。 第１図Figure 1 is an external view of a conventional knock-type pencil, Figure 2 is an outline view of the dowel crown shown in Figure 1, Figure 3 is a cross-sectional view of the opening in Figure 2, and Figure 4 A is this. A perspective view of one embodiment of the invention, the opening of the same figure is a cross-sectional view thereof, FIGS. 5 and 6 are views showing other cross-sectional shapes of the knock crown according to this invention, and FIG. 7 is a cross-sectional view of the knock crown according to this invention. FIG. 7 is a vertical cross-sectional view showing another embodiment. 4... Inner cylinder, 8... Opening, 10.20... Dowel crown, 21... Extra large radius of curvature surface, 22... Insertion port. Figure 1

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）消しゴムを着脱自在に嵌挿できる内筒の開口部に
冠着するようにしたノック冠の円筒壁に、その円筒の３
箇所以上にわたり、前記内筒と係合する特大曲率半径面
を、軸沿いに長く形成したことを特徴とするノック式ペ
ンシルのノック冠。(1) On the cylindrical wall of the knock crown, which is fitted into the opening of the inner cylinder into which the eraser can be removably inserted,
A knock crown for a knock-type pencil, characterized in that a surface with an extra-large radius of curvature that engages with the inner cylinder is formed long along the axis over more than one point. （２）前記特大曲率半径面は、挿入口近辺を残して形成
した実用新案登録請求の範囲第１項記載のノック式ペン
シルのノック冠。(2) The knock crown of the knock-type pencil according to claim 1, wherein the extra-large radius of curvature surface is formed leaving the vicinity of the insertion opening intact.
JP13992782U 1982-09-17 1982-09-17 Notsuku crown of Notsuku style pencil Pending JPS5943190U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13992782U JPS5943190U (en) 1982-09-17 1982-09-17 Notsuku crown of Notsuku style pencil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13992782U JPS5943190U (en) 1982-09-17 1982-09-17 Notsuku crown of Notsuku style pencil

Publications (1)

Publication Number Publication Date
JPS5943190U true JPS5943190U (en) 1984-03-21

Family

ID=30313466

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13992782U Pending JPS5943190U (en) 1982-09-17 1982-09-17 Notsuku crown of Notsuku style pencil

Country Status (1)

Country Link
JP (1) JPS5943190U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019530B1 (en) * 1966-01-28 1975-07-08
JPS5623108U (en) * 1979-07-27 1981-03-02

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019530B1 (en) * 1966-01-28 1975-07-08
JPS5623108U (en) * 1979-07-27 1981-03-02

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